Boys BMI-for-age 2-20 years (3rd through 97th percentiles)

3rd Percentile

Age (in months) BMI
24 14.52095
24.5 14.50348
25.5 14.46882
26.5 14.4346
27.5 14.40083
28.5 14.36755
29.5 14.33478
30.5 14.30257
31.5 14.27093
32.5 14.23989
33.5 14.20948
34.5 14.17972
35.5 14.15063
36.5 14.12223
37.5 14.09453
38.5 14.06756
39.5 14.04132
40.5 14.01582
41.5 13.99107
42.5 13.96707
43.5 13.94383
44.5 13.92133
45.5 13.89959
46.5 13.87858
47.5 13.85832
48.5 13.83877
49.5 13.81995
50.5 13.80182
51.5 13.78439
52.5 13.76763
53.5 13.75152
54.5 13.73606
55.5 13.72123
56.5 13.70702
57.5 13.6934
58.5 13.68036
59.5 13.6679
60.5 13.656
61.5 13.64464
62.5 13.63383
63.5 13.62355
64.5 13.61379
65.5 13.60456
66.5 13.59584
67.5 13.58764
68.5 13.57996
69.5 13.57278
70.5 13.56612
71.5 13.55998
72.5 13.55435
73.5 13.54925
74.5 13.54467
75.5 13.54062
76.5 13.5371
77.5 13.53412
78.5 13.53168
79.5 13.5298
80.5 13.52846
81.5 13.52768
82.5 13.52747
83.5 13.52782
84.5 13.52874
85.5 13.53025
86.5 13.53233
87.5 13.535
88.5 13.53826
89.5 13.54212
90.5 13.54657
91.5 13.55163
92.5 13.55729
93.5 13.56356
94.5 13.57044
95.5 13.57793
96.5 13.58604
97.5 13.59477
98.5 13.60411
99.5 13.61408
100.5 13.62467
101.5 13.63588
102.5 13.64771
103.5 13.66017
104.5 13.67325
105.5 13.68696
106.5 13.70129
107.5 13.71624
108.5 13.73182
109.5 13.74801
110.5 13.76483
111.5 13.78227
112.5 13.80033
113.5 13.819
114.5 13.83828
115.5 13.85818
116.5 13.87868
117.5 13.89979
118.5 13.92151
119.5 13.94382
120.5 13.96673
121.5 13.99024
122.5 14.01433
123.5 14.03901
124.5 14.06427
125.5 14.09011
126.5 14.11653
127.5 14.14351
128.5 14.17106
129.5 14.19916
130.5 14.22782
131.5 14.25703
132.5 14.28678
133.5 14.31707
134.5 14.34789
135.5 14.37924
136.5 14.41111
137.5 14.44349
138.5 14.47638
139.5 14.50977
140.5 14.54365
141.5 14.57802
142.5 14.61287
143.5 14.64819
144.5 14.68398
145.5 14.72022
146.5 14.75692
147.5 14.79406
148.5 14.83163
149.5 14.86963
150.5 14.90804
151.5 14.94687
152.5 14.98609
153.5 15.02571
154.5 15.06571
155.5 15.10609
156.5 15.14683
157.5 15.18793
158.5 15.22938
159.5 15.27116
160.5 15.31327
161.5 15.3557
162.5 15.39843
163.5 15.44147
164.5 15.48479
165.5 15.52839
166.5 15.57226
167.5 15.61638
168.5 15.66076
169.5 15.70536
170.5 15.75019
171.5 15.79524
172.5 15.84049
173.5 15.88593
174.5 15.93155
175.5 15.97734
176.5 16.02329
177.5 16.06939
178.5 16.11562
179.5 16.16198
180.5 16.20844
181.5 16.25501
182.5 16.30166
183.5 16.34839
184.5 16.39519
185.5 16.44203
186.5 16.48892
187.5 16.53583
188.5 16.58276
189.5 16.62969
190.5 16.67661
191.5 16.72351
192.5 16.77038
193.5 16.8172
194.5 16.86396
195.5 16.91065
196.5 16.95725
197.5 17.00375
198.5 17.05015
199.5 17.09642
200.5 17.14256
201.5 17.18854
202.5 17.23437
203.5 17.28002
204.5 17.32548
205.5 17.37074
206.5 17.41579
207.5 17.46061
208.5 17.50518
209.5 17.54951
210.5 17.59356
211.5 17.63734
212.5 17.68082
213.5 17.72399
214.5 17.76683
215.5 17.80934
216.5 17.8515
217.5 17.89329
218.5 17.93471
219.5 17.97573
220.5 18.01634
221.5 18.05652
222.5 18.09626
223.5 18.13555
224.5 18.17437
225.5 18.2127
226.5 18.25052
227.5 18.28782
228.5 18.32459
229.5 18.3608
230.5 18.39643
231.5 18.43148
232.5 18.46591
233.5 18.49972
234.5 18.53287
235.5 18.56536
236.5 18.59716
237.5 18.62825
238.5 18.65861
239.5 18.68822
240 18.70274
240.5 18.71706

5th Percentile

Age (in months) BMI
24 14.73732
24.5 14.71929
25.5 14.68361
26.5 14.64843
27.5 14.61379
28.5 14.57969
29.5 14.54615
30.5 14.51319
31.5 14.48084
32.5 14.44909
33.5 14.41798
34.5 14.3875
35.5 14.35767
36.5 14.32851
37.5 14.30002
38.5 14.27222
39.5 14.2451
40.5 14.21868
41.5 14.19297
42.5 14.16796
43.5 14.14367
44.5 14.12009
45.5 14.09723
46.5 14.07509
47.5 14.05366
48.5 14.03296
49.5 14.01296
50.5 13.99367
51.5 13.97509
52.5 13.95722
53.5 13.94003
54.5 13.92353
55.5 13.90771
56.5 13.89257
57.5 13.87809
58.5 13.86426
59.5 13.85108
60.5 13.83855
61.5 13.82665
62.5 13.81537
63.5 13.80472
64.5 13.79469
65.5 13.78527
66.5 13.77646
67.5 13.76825
68.5 13.76065
69.5 13.75364
70.5 13.74724
71.5 13.74144
72.5 13.73624
73.5 13.73164
74.5 13.72764
75.5 13.72424
76.5 13.72145
77.5 13.71927
78.5 13.71769
79.5 13.71672
80.5 13.71637
81.5 13.71663
82.5 13.71751
83.5 13.71901
84.5 13.72113
85.5 13.72387
86.5 13.72724
87.5 13.73124
88.5 13.73587
89.5 13.74113
90.5 13.74702
91.5 13.75355
92.5 13.76071
93.5 13.76852
94.5 13.77695
95.5 13.78603
96.5 13.79575
97.5 13.8061
98.5 13.8171
99.5 13.82873
100.5 13.84101
101.5 13.85392
102.5 13.86747
103.5 13.88166
104.5 13.89648
105.5 13.91194
106.5 13.92804
107.5 13.94476
108.5 13.96212
109.5 13.9801
110.5 13.99871
111.5 14.01795
112.5 14.0378
113.5 14.05828
114.5 14.07937
115.5 14.10107
116.5 14.12338
117.5 14.1463
118.5 14.16982
119.5 14.19394
120.5 14.21866
121.5 14.24396
122.5 14.26985
123.5 14.29633
124.5 14.32338
125.5 14.35101
126.5 14.3792
127.5 14.40796
128.5 14.43727
129.5 14.46714
130.5 14.49756
131.5 14.52852
132.5 14.56001
133.5 14.59203
134.5 14.62458
135.5 14.65765
136.5 14.69122
137.5 14.72531
138.5 14.75989
139.5 14.79496
140.5 14.83052
141.5 14.86655
142.5 14.90306
143.5 14.94002
144.5 14.97745
145.5 15.01532
146.5 15.05363
147.5 15.09238
148.5 15.13155
149.5 15.17113
150.5 15.21113
151.5 15.25152
152.5 15.2923
153.5 15.33347
154.5 15.37501
155.5 15.41692
156.5 15.45918
157.5 15.50179
158.5 15.54474
159.5 15.58801
160.5 15.63161
161.5 15.67551
162.5 15.71971
163.5 15.7642
164.5 15.80897
165.5 15.85401
166.5 15.89931
167.5 15.94486
168.5 15.99065
169.5 16.03667
170.5 16.0829
171.5 16.12934
172.5 16.17598
173.5 16.2228
174.5 16.2698
175.5 16.31696
176.5 16.36427
177.5 16.41172
178.5 16.4593
179.5 16.507
180.5 16.55481
181.5 16.60271
182.5 16.6507
183.5 16.69875
184.5 16.74687
185.5 16.79503
186.5 16.84323
187.5 16.89146
188.5 16.93969
189.5 16.98792
190.5 17.03615
191.5 17.08434
192.5 17.1325
193.5 17.18061
194.5 17.22865
195.5 17.27662
196.5 17.3245
197.5 17.37229
198.5 17.41995
199.5 17.46749
200.5 17.51489
201.5 17.56214
202.5 17.60923
203.5 17.65613
204.5 17.70284
205.5 17.74935
206.5 17.79564
207.5 17.8417
208.5 17.88751
209.5 17.93306
210.5 17.97834
211.5 18.02333
212.5 18.06802
213.5 18.11239
214.5 18.15644
215.5 18.20014
216.5 18.24349
217.5 18.28646
218.5 18.32904
219.5 18.37122
220.5 18.41299
221.5 18.45432
222.5 18.4952
223.5 18.53562
224.5 18.57556
225.5 18.615
226.5 18.65393
227.5 18.69233
228.5 18.73019
229.5 18.76748
230.5 18.8042
231.5 18.84031
232.5 18.87581
233.5 18.91068
234.5 18.94489
235.5 18.97844
236.5 19.01129
237.5 19.04343
238.5 19.07484
239.5 19.10551
240 19.12055
240.5 19.1354

10th Percentile

Age (in months) BMI
24 15.09033
24.5 15.07117
25.5 15.03336
26.5 14.9962
27.5 14.95969
28.5 14.92385
29.5 14.88866
30.5 14.85414
31.5 14.82027
32.5 14.78707
33.5 14.75453
34.5 14.72264
35.5 14.69142
36.5 14.66086
37.5 14.63096
38.5 14.60173
39.5 14.57316
40.5 14.54527
41.5 14.51805
42.5 14.49151
43.5 14.46566
44.5 14.4405
45.5 14.41604
46.5 14.39229
47.5 14.36926
48.5 14.34695
49.5 14.32537
50.5 14.30453
51.5 14.28444
52.5 14.2651
53.5 14.24651
54.5 14.22868
55.5 14.21162
56.5 14.19532
57.5 14.17979
58.5 14.16503
59.5 14.15103
60.5 14.1378
61.5 14.12534
62.5 14.11363
63.5 14.10268
64.5 14.09249
65.5 14.08305
66.5 14.07436
67.5 14.06642
68.5 14.05921
69.5 14.05274
70.5 14.04701
71.5 14.042
72.5 14.03772
73.5 14.03417
74.5 14.03134
75.5 14.02922
76.5 14.02783
77.5 14.02714
78.5 14.02717
79.5 14.02791
80.5 14.02935
81.5 14.0315
82.5 14.03435
83.5 14.03791
84.5 14.04216
85.5 14.04711
86.5 14.05276
87.5 14.0591
88.5 14.06613
89.5 14.07386
90.5 14.08228
91.5 14.09138
92.5 14.10116
93.5 14.11163
94.5 14.12279
95.5 14.13462
96.5 14.14712
97.5 14.1603
98.5 14.17416
99.5 14.18868
100.5 14.20387
101.5 14.21972
102.5 14.23624
103.5 14.25341
104.5 14.27124
105.5 14.28972
106.5 14.30884
107.5 14.32862
108.5 14.34903
109.5 14.37008
110.5 14.39177
111.5 14.41409
112.5 14.43703
113.5 14.46059
114.5 14.48478
115.5 14.50957
116.5 14.53498
117.5 14.56099
118.5 14.5876
119.5 14.61481
120.5 14.6426
121.5 14.67098
122.5 14.69994
123.5 14.72948
124.5 14.75958
125.5 14.79025
126.5 14.82148
127.5 14.85326
128.5 14.88558
129.5 14.91845
130.5 14.95184
131.5 14.98577
132.5 15.02022
133.5 15.05519
134.5 15.09066
135.5 15.12664
136.5 15.16311
137.5 15.20007
138.5 15.23751
139.5 15.27543
140.5 15.31381
141.5 15.35265
142.5 15.39195
143.5 15.43169
144.5 15.47187
145.5 15.51248
146.5 15.5535
147.5 15.59495
148.5 15.6368
149.5 15.67904
150.5 15.72168
151.5 15.7647
152.5 15.80809
153.5 15.85184
154.5 15.89595
155.5 15.94041
156.5 15.9852
157.5 16.03032
158.5 16.07576
159.5 16.12151
160.5 16.16756
161.5 16.21391
162.5 16.26054
163.5 16.30743
164.5 16.3546
165.5 16.40201
166.5 16.44967
167.5 16.49756
168.5 16.54568
169.5 16.594
170.5 16.64254
171.5 16.69126
172.5 16.74017
173.5 16.78924
174.5 16.83848
175.5 16.88787
176.5 16.9374
177.5 16.98706
178.5 17.03683
179.5 17.08672
180.5 17.1367
181.5 17.18676
182.5 17.23689
183.5 17.28709
184.5 17.33734
185.5 17.38763
186.5 17.43794
187.5 17.48827
188.5 17.53861
189.5 17.58893
190.5 17.63924
191.5 17.68951
192.5 17.73974
193.5 17.78991
194.5 17.84001
195.5 17.89003
196.5 17.93995
197.5 17.98977
198.5 18.03947
199.5 18.08904
200.5 18.13846
201.5 18.18773
202.5 18.23682
203.5 18.28573
204.5 18.33444
205.5 18.38294
206.5 18.43121
207.5 18.47925
208.5 18.52703
209.5 18.57455
210.5 18.62179
211.5 18.66873
212.5 18.71537
213.5 18.76168
214.5 18.80766
215.5 18.85328
216.5 18.89854
217.5 18.94342
218.5 18.98791
219.5 19.03198
220.5 19.07563
221.5 19.11884
222.5 19.16159
223.5 19.20387
224.5 19.24567
225.5 19.28696
226.5 19.32773
227.5 19.36797
228.5 19.40766
229.5 19.44678
230.5 19.48531
231.5 19.52325
232.5 19.56057
233.5 19.59726
234.5 19.6333
235.5 19.66867
236.5 19.70335
237.5 19.73733
238.5 19.7706
239.5 19.80312
240 19.8191
240.5 19.83489

25th Percentile

Age (in months) BMI
24 15.74164
24.5 15.71963
25.5 15.67634
26.5 15.63403
27.5 15.59268
28.5 15.55226
29.5 15.51275
30.5 15.47414
31.5 15.43639
32.5 15.39951
33.5 15.36345
34.5 15.32822
35.5 15.29379
36.5 15.26016
37.5 15.22731
38.5 15.19523
39.5 15.16392
40.5 15.13337
41.5 15.10359
42.5 15.07458
43.5 15.04633
44.5 15.01886
45.5 14.99218
46.5 14.96629
47.5 14.9412
48.5 14.91694
49.5 14.89351
50.5 14.87093
51.5 14.84921
52.5 14.82838
53.5 14.80844
54.5 14.78941
55.5 14.7713
56.5 14.75414
57.5 14.73792
58.5 14.72266
59.5 14.70836
60.5 14.69504
61.5 14.68269
62.5 14.67133
63.5 14.66094
64.5 14.65154
65.5 14.64312
66.5 14.63567
67.5 14.6292
68.5 14.62369
69.5 14.61914
70.5 14.61555
71.5 14.6129
72.5 14.6112
73.5 14.61042
74.5 14.61057
75.5 14.61163
76.5 14.61359
77.5 14.61645
78.5 14.6202
79.5 14.62483
80.5 14.63032
81.5 14.63668
82.5 14.64389
83.5 14.65194
84.5 14.66082
85.5 14.67054
86.5 14.68107
87.5 14.69241
88.5 14.70455
89.5 14.71749
90.5 14.73121
91.5 14.74571
92.5 14.76099
93.5 14.77703
94.5 14.79382
95.5 14.81136
96.5 14.82965
97.5 14.84867
98.5 14.86841
99.5 14.88888
100.5 14.91006
101.5 14.93194
102.5 14.95453
103.5 14.9778
104.5 15.00176
105.5 15.0264
106.5 15.05172
107.5 15.07769
108.5 15.10433
109.5 15.13161
110.5 15.15954
111.5 15.1881
112.5 15.2173
113.5 15.24712
114.5 15.27755
115.5 15.30859
116.5 15.34024
117.5 15.37248
118.5 15.40531
119.5 15.43872
120.5 15.4727
121.5 15.50725
122.5 15.54236
123.5 15.57803
124.5 15.61424
125.5 15.65099
126.5 15.68826
127.5 15.72607
128.5 15.76439
129.5 15.80322
130.5 15.84255
131.5 15.88237
132.5 15.92268
133.5 15.96347
134.5 16.00473
135.5 16.04646
136.5 16.08864
137.5 16.13127
138.5 16.17434
139.5 16.21784
140.5 16.26177
141.5 16.30612
142.5 16.35087
143.5 16.39603
144.5 16.44158
145.5 16.48751
146.5 16.53382
147.5 16.5805
148.5 16.62754
149.5 16.67494
150.5 16.72267
151.5 16.77074
152.5 16.81914
153.5 16.86786
154.5 16.91689
155.5 16.96621
156.5 17.01583
157.5 17.06574
158.5 17.11592
159.5 17.16636
160.5 17.21706
161.5 17.26801
162.5 17.3192
163.5 17.37062
164.5 17.42227
165.5 17.47412
166.5 17.52618
167.5 17.57843
168.5 17.63086
169.5 17.68347
170.5 17.73624
171.5 17.78917
172.5 17.84225
173.5 17.89546
174.5 17.9488
175.5 18.00225
176.5 18.05581
177.5 18.10947
178.5 18.16322
179.5 18.21704
180.5 18.27093
181.5 18.32488
182.5 18.37887
183.5 18.4329
184.5 18.48696
185.5 18.54102
186.5 18.5951
187.5 18.64916
188.5 18.70321
189.5 18.75723
190.5 18.81121
191.5 18.86514
192.5 18.919
193.5 18.97279
194.5 19.0265
195.5 19.08011
196.5 19.13361
197.5 19.187
198.5 19.24025
199.5 19.29335
200.5 19.3463
201.5 19.39908
202.5 19.45168
203.5 19.50409
204.5 19.55629
205.5 19.60827
206.5 19.66002
207.5 19.71153
208.5 19.76278
209.5 19.81376
210.5 19.86445
211.5 19.91485
212.5 19.96493
213.5 20.01469
214.5 20.06412
215.5 20.11319
216.5 20.1619
217.5 20.21022
218.5 20.25816
219.5 20.30569
220.5 20.35279
221.5 20.39947
222.5 20.44569
223.5 20.49145
224.5 20.53674
225.5 20.58153
226.5 20.62582
227.5 20.66959
228.5 20.71283
229.5 20.75552
230.5 20.79766
231.5 20.83922
232.5 20.88019
233.5 20.92056
234.5 20.96032
235.5 20.99946
236.5 21.03795
237.5 21.07579
238.5 21.11296
239.5 21.14946
240 21.16745
240.5 21.18526

50th Percentile

Age (in months) BMI
24 16.57503
24.5 16.54777
25.5 16.49443
26.5 16.4426
27.5 16.39224
28.5 16.34334
29.5 16.29584
30.5 16.24972
31.5 16.20495
32.5 16.1615
33.5 16.11933
34.5 16.07843
35.5 16.03876
36.5 16.0003
37.5 15.96304
38.5 15.92695
39.5 15.89203
40.5 15.85824
41.5 15.82559
42.5 15.79406
43.5 15.76364
44.5 15.73434
45.5 15.70614
46.5 15.67904
47.5 15.65305
48.5 15.62817
49.5 15.60441
50.5 15.58176
51.5 15.56025
52.5 15.53987
53.5 15.52065
54.5 15.50258
55.5 15.48569
56.5 15.46998
57.5 15.45546
58.5 15.44214
59.5 15.43003
60.5 15.41914
61.5 15.40947
62.5 15.40103
63.5 15.39382
64.5 15.38783
65.5 15.38307
66.5 15.37953
67.5 15.37721
68.5 15.37609
69.5 15.37618
70.5 15.37745
71.5 15.37991
72.5 15.38353
73.5 15.38831
74.5 15.39423
75.5 15.40127
76.5 15.40943
77.5 15.41869
78.5 15.42902
79.5 15.44042
80.5 15.45288
81.5 15.46636
82.5 15.48087
83.5 15.49637
84.5 15.51287
85.5 15.53034
86.5 15.54876
87.5 15.56812
88.5 15.58841
89.5 15.60961
90.5 15.63171
91.5 15.65469
92.5 15.67853
93.5 15.70323
94.5 15.72877
95.5 15.75513
96.5 15.78231
97.5 15.81029
98.5 15.83905
99.5 15.86858
100.5 15.89888
101.5 15.92992
102.5 15.96169
103.5 15.99419
104.5 16.02741
105.5 16.06132
106.5 16.09591
107.5 16.13119
108.5 16.16712
109.5 16.20371
110.5 16.24094
111.5 16.2788
112.5 16.31728
113.5 16.35637
114.5 16.39606
115.5 16.43633
116.5 16.47718
117.5 16.5186
118.5 16.56057
119.5 16.60309
120.5 16.64614
121.5 16.68972
122.5 16.73381
123.5 16.7784
124.5 16.8235
125.5 16.86907
126.5 16.91512
127.5 16.96164
128.5 17.00862
129.5 17.05604
130.5 17.1039
131.5 17.15218
132.5 17.20089
133.5 17.25
134.5 17.29951
135.5 17.34942
136.5 17.3997
137.5 17.45036
138.5 17.50138
139.5 17.55276
140.5 17.60448
141.5 17.65653
142.5 17.70892
143.5 17.76162
144.5 17.81463
145.5 17.86795
146.5 17.92155
147.5 17.97544
148.5 18.02961
149.5 18.08404
150.5 18.13873
151.5 18.19367
152.5 18.24884
153.5 18.30426
154.5 18.35989
155.5 18.41574
156.5 18.4718
157.5 18.52805
158.5 18.5845
159.5 18.64113
160.5 18.69793
161.5 18.75489
162.5 18.81202
163.5 18.86929
164.5 18.9267
165.5 18.98424
166.5 19.04191
167.5 19.0997
168.5 19.15759
169.5 19.21558
170.5 19.27366
171.5 19.33182
172.5 19.39006
173.5 19.44837
174.5 19.50673
175.5 19.56514
176.5 19.6236
177.5 19.68208
178.5 19.7406
179.5 19.79912
180.5 19.85766
181.5 19.9162
182.5 19.97473
183.5 20.03324
184.5 20.09172
185.5 20.15017
186.5 20.20858
187.5 20.26694
188.5 20.32524
189.5 20.38346
190.5 20.44162
191.5 20.49968
192.5 20.55765
193.5 20.61551
194.5 20.67326
195.5 20.73089
196.5 20.78839
197.5 20.84574
198.5 20.90294
199.5 20.95999
200.5 21.01686
201.5 21.07356
202.5 21.13007
203.5 21.18638
204.5 21.24248
205.5 21.29836
206.5 21.35402
207.5 21.40944
208.5 21.46461
209.5 21.51952
210.5 21.57417
211.5 21.62854
212.5 21.68262
213.5 21.7364
214.5 21.78988
215.5 21.84304
216.5 21.89587
217.5 21.94836
218.5 22.00051
219.5 22.05229
220.5 22.10371
221.5 22.15476
222.5 22.20541
223.5 22.25567
224.5 22.30553
225.5 22.35497
226.5 22.40399
227.5 22.45257
228.5 22.50072
229.5 22.54841
230.5 22.59565
231.5 22.64243
232.5 22.68873
233.5 22.73456
234.5 22.7799
235.5 22.82474
236.5 22.86909
237.5 22.91293
238.5 22.95626
239.5 22.99908
240 23.02029
240.5 23.04138

75th Percentile

Age (in months) BMI
24 17.55719
24.5 17.52129
25.5 17.45135
26.5 17.38384
27.5 17.31871
28.5 17.25593
29.5 17.19546
30.5 17.13726
31.5 17.0813
32.5 17.02753
33.5 16.97592
34.5 16.92645
35.5 16.87907
36.5 16.83376
37.5 16.79048
38.5 16.7492
39.5 16.70988
40.5 16.67251
41.5 16.63704
42.5 16.60345
43.5 16.5717
44.5 16.54177
45.5 16.51364
46.5 16.48726
47.5 16.46262
48.5 16.4397
49.5 16.41846
50.5 16.39889
51.5 16.38097
52.5 16.36468
53.5 16.35001
54.5 16.33693
55.5 16.32545
56.5 16.31554
57.5 16.3072
58.5 16.30042
59.5 16.29518
60.5 16.29148
61.5 16.28932
62.5 16.28868
63.5 16.28955
64.5 16.29192
65.5 16.29578
66.5 16.30113
67.5 16.30794
68.5 16.3162
69.5 16.3259
70.5 16.33702
71.5 16.34955
72.5 16.36346
73.5 16.37875
74.5 16.39537
75.5 16.41333
76.5 16.4326
77.5 16.45315
78.5 16.47496
79.5 16.49801
80.5 16.52229
81.5 16.54776
82.5 16.5744
83.5 16.60219
84.5 16.63112
85.5 16.66114
86.5 16.69225
87.5 16.72442
88.5 16.75763
89.5 16.79185
90.5 16.82707
91.5 16.86325
92.5 16.90039
93.5 16.93845
94.5 16.97742
95.5 17.01727
96.5 17.05799
97.5 17.09955
98.5 17.14193
99.5 17.18512
100.5 17.22909
101.5 17.27383
102.5 17.31932
103.5 17.36552
104.5 17.41244
105.5 17.46005
106.5 17.50833
107.5 17.55726
108.5 17.60683
109.5 17.65702
110.5 17.7078
111.5 17.75918
112.5 17.81112
113.5 17.86361
114.5 17.91664
115.5 17.9702
116.5 18.02425
117.5 18.07879
118.5 18.13381
119.5 18.18929
120.5 18.24521
121.5 18.30156
122.5 18.35833
123.5 18.4155
124.5 18.47306
125.5 18.53099
126.5 18.58928
127.5 18.64792
128.5 18.70689
129.5 18.76619
130.5 18.82579
131.5 18.8857
132.5 18.94588
133.5 19.00634
134.5 19.06706
135.5 19.12803
136.5 19.18924
137.5 19.25067
138.5 19.31232
139.5 19.37417
140.5 19.43622
141.5 19.49845
142.5 19.56086
143.5 19.62342
144.5 19.68614
145.5 19.74901
146.5 19.812
147.5 19.87512
148.5 19.93836
149.5 20.0017
150.5 20.06514
151.5 20.12866
152.5 20.19227
153.5 20.25594
154.5 20.31968
155.5 20.38347
156.5 20.44731
157.5 20.51119
158.5 20.5751
159.5 20.63903
160.5 20.70298
161.5 20.76694
162.5 20.8309
163.5 20.89486
164.5 20.9588
165.5 21.02272
166.5 21.08663
167.5 21.15049
168.5 21.21433
169.5 21.27811
170.5 21.34185
171.5 21.40554
172.5 21.46916
173.5 21.53272
174.5 21.5962
175.5 21.65961
176.5 21.72294
177.5 21.78618
178.5 21.84932
179.5 21.91237
180.5 21.97532
181.5 22.03816
182.5 22.10089
183.5 22.1635
184.5 22.226
185.5 22.28837
186.5 22.35061
187.5 22.41272
188.5 22.47469
189.5 22.53652
190.5 22.59821
191.5 22.65976
192.5 22.72115
193.5 22.78239
194.5 22.84346
195.5 22.90438
196.5 22.96514
197.5 23.02572
198.5 23.08614
199.5 23.14638
200.5 23.20645
201.5 23.26633
202.5 23.32604
203.5 23.38556
204.5 23.4449
205.5 23.50404
206.5 23.563
207.5 23.62176
208.5 23.68033
209.5 23.7387
210.5 23.79687
211.5 23.85484
212.5 23.91261
213.5 23.97018
214.5 24.02754
215.5 24.0847
216.5 24.14166
217.5 24.19841
218.5 24.25495
219.5 24.31129
220.5 24.36742
221.5 24.42335
222.5 24.47907
223.5 24.53459
224.5 24.58991
225.5 24.64502
226.5 24.69994
227.5 24.75466
228.5 24.80919
229.5 24.86352
230.5 24.91767
231.5 24.97163
232.5 25.02542
233.5 25.07902
234.5 25.13246
235.5 25.18572
236.5 25.23883
237.5 25.29179
238.5 25.34459
239.5 25.39725
240 25.42353
240.5 25.44978

85th Percentile

Age (in months) BMI
24 18.16219
24.5 18.11955
25.5 18.03668
26.5 17.957
27.5 17.88047
28.5 17.80704
29.5 17.73667
30.5 17.66932
31.5 17.60495
32.5 17.54351
33.5 17.48496
34.5 17.42927
35.5 17.37639
36.5 17.32627
37.5 17.27889
38.5 17.23419
39.5 17.19213
40.5 17.15266
41.5 17.11575
42.5 17.08135
43.5 17.04941
44.5 17.01988
45.5 16.99272
46.5 16.96789
47.5 16.94533
48.5 16.92501
49.5 16.90688
50.5 16.89089
51.5 16.87701
52.5 16.86519
53.5 16.8554
54.5 16.8476
55.5 16.84176
56.5 16.83784
57.5 16.8358
58.5 16.83563
59.5 16.83729
60.5 16.84076
61.5 16.846
62.5 16.853
63.5 16.86173
64.5 16.87217
65.5 16.88428
66.5 16.89805
67.5 16.91346
68.5 16.93048
69.5 16.94909
70.5 16.96925
71.5 16.99096
72.5 17.01418
73.5 17.03888
74.5 17.06505
75.5 17.09265
76.5 17.12166
77.5 17.15206
78.5 17.1838
79.5 17.21688
80.5 17.25126
81.5 17.28691
82.5 17.3238
83.5 17.36192
84.5 17.40122
85.5 17.44168
86.5 17.48329
87.5 17.52599
88.5 17.56978
89.5 17.61462
90.5 17.66049
91.5 17.70736
92.5 17.7552
93.5 17.80398
94.5 17.85369
95.5 17.90429
96.5 17.95575
97.5 18.00807
98.5 18.0612
99.5 18.11512
100.5 18.16981
101.5 18.22525
102.5 18.28141
103.5 18.33827
104.5 18.3958
105.5 18.45398
106.5 18.5128
107.5 18.57222
108.5 18.63222
109.5 18.69279
110.5 18.7539
111.5 18.81554
112.5 18.87767
113.5 18.94028
114.5 19.00336
115.5 19.06688
116.5 19.13081
117.5 19.19516
118.5 19.25988
119.5 19.32497
120.5 19.39041
121.5 19.45618
122.5 19.52226
123.5 19.58864
124.5 19.6553
125.5 19.72222
126.5 19.78938
127.5 19.85678
128.5 19.92439
129.5 19.9922
130.5 20.06019
131.5 20.12835
132.5 20.19667
133.5 20.26514
134.5 20.33373
135.5 20.40243
136.5 20.47124
137.5 20.54013
138.5 20.6091
139.5 20.67814
140.5 20.74722
141.5 20.81635
142.5 20.88551
143.5 20.95468
144.5 21.02386
145.5 21.09304
146.5 21.1622
147.5 21.23134
148.5 21.30045
149.5 21.36951
150.5 21.43852
151.5 21.50748
152.5 21.57636
153.5 21.64517
154.5 21.71389
155.5 21.78252
156.5 21.85104
157.5 21.91946
158.5 21.98777
159.5 22.05596
160.5 22.12402
161.5 22.19194
162.5 22.25973
163.5 22.32737
164.5 22.39487
165.5 22.46221
166.5 22.52939
167.5 22.5964
168.5 22.66325
169.5 22.72993
170.5 22.79643
171.5 22.86275
172.5 22.92889
173.5 22.99485
174.5 23.06062
175.5 23.12619
176.5 23.19158
177.5 23.25677
178.5 23.32177
179.5 23.38657
180.5 23.45117
181.5 23.51557
182.5 23.57978
183.5 23.64378
184.5 23.70758
185.5 23.77119
186.5 23.83459
187.5 23.89779
188.5 23.9608
189.5 24.02361
190.5 24.08622
191.5 24.14864
192.5 24.21087
193.5 24.27291
194.5 24.33476
195.5 24.39642
196.5 24.4579
197.5 24.5192
198.5 24.58033
199.5 24.64128
200.5 24.70207
201.5 24.76269
202.5 24.82315
203.5 24.88346
204.5 24.94362
205.5 25.00363
206.5 25.0635
207.5 25.12324
208.5 25.18286
209.5 25.24235
210.5 25.30173
211.5 25.361
212.5 25.42017
213.5 25.47925
214.5 25.53824
215.5 25.59716
216.5 25.65601
217.5 25.71481
218.5 25.77355
219.5 25.83225
220.5 25.89093
221.5 25.94958
222.5 26.00823
223.5 26.06687
224.5 26.12553
225.5 26.18422
226.5 26.24294
227.5 26.30171
228.5 26.36054
229.5 26.41945
230.5 26.47844
231.5 26.53753
232.5 26.59675
233.5 26.65609
234.5 26.71558
235.5 26.77522
236.5 26.83505
237.5 26.89507
238.5 26.9553
239.5 27.01575
240 27.04607
240.5 27.07645

90th Percentile

Age (in months) BMI
24 18.60948
24.5 18.56111
25.5 18.4673
26.5 18.37736
27.5 18.29125
28.5 18.20892
29.5 18.13031
30.5 18.05538
31.5 17.98408
32.5 17.91635
33.5 17.85215
34.5 17.79143
35.5 17.73414
36.5 17.68022
37.5 17.62963
38.5 17.58231
39.5 17.5382
40.5 17.49725
41.5 17.45941
42.5 17.42462
43.5 17.39282
44.5 17.36395
45.5 17.33795
46.5 17.31477
47.5 17.29434
48.5 17.27661
49.5 17.26151
50.5 17.24899
51.5 17.23899
52.5 17.23145
53.5 17.22632
54.5 17.22354
55.5 17.22306
56.5 17.22483
57.5 17.2288
58.5 17.23493
59.5 17.24315
60.5 17.25344
61.5 17.26575
62.5 17.28003
63.5 17.29625
64.5 17.31437
65.5 17.33435
66.5 17.35616
67.5 17.37975
68.5 17.4051
69.5 17.43217
70.5 17.46092
71.5 17.49133
72.5 17.52335
73.5 17.55696
74.5 17.59212
75.5 17.6288
76.5 17.66696
77.5 17.70658
78.5 17.74762
79.5 17.79004
80.5 17.83382
81.5 17.87892
82.5 17.92532
83.5 17.97296
84.5 18.02183
85.5 18.0719
86.5 18.12312
87.5 18.17548
88.5 18.22893
89.5 18.28344
90.5 18.33899
91.5 18.39554
92.5 18.45306
93.5 18.51152
94.5 18.57089
95.5 18.63115
96.5 18.69225
97.5 18.75418
98.5 18.8169
99.5 18.88038
100.5 18.94459
101.5 19.00952
102.5 19.07512
103.5 19.14137
104.5 19.20825
105.5 19.27573
106.5 19.34378
107.5 19.41238
108.5 19.48149
109.5 19.5511
110.5 19.62118
111.5 19.69171
112.5 19.76266
113.5 19.83401
114.5 19.90573
115.5 19.97781
116.5 20.05021
117.5 20.12292
118.5 20.19592
119.5 20.26919
120.5 20.3427
121.5 20.41643
122.5 20.49036
123.5 20.56448
124.5 20.63877
125.5 20.7132
126.5 20.78775
127.5 20.86242
128.5 20.93718
129.5 21.01201
130.5 21.0869
131.5 21.16183
132.5 21.23679
133.5 21.31175
134.5 21.38671
135.5 21.46165
136.5 21.53655
137.5 21.61141
138.5 21.6862
139.5 21.76091
140.5 21.83554
141.5 21.91006
142.5 21.98447
143.5 22.05876
144.5 22.1329
145.5 22.2069
146.5 22.28075
147.5 22.35442
148.5 22.42791
149.5 22.50122
150.5 22.57433
151.5 22.64724
152.5 22.71993
153.5 22.7924
154.5 22.86465
155.5 22.93666
156.5 23.00842
157.5 23.07994
158.5 23.15121
159.5 23.22221
160.5 23.29295
161.5 23.36342
162.5 23.43362
163.5 23.50354
164.5 23.57318
165.5 23.64253
166.5 23.7116
167.5 23.78038
168.5 23.84887
169.5 23.91706
170.5 23.98496
171.5 24.05257
172.5 24.11987
173.5 24.18689
174.5 24.25361
175.5 24.32003
176.5 24.38616
177.5 24.452
178.5 24.51755
179.5 24.58281
180.5 24.64778
181.5 24.71247
182.5 24.77688
183.5 24.84102
184.5 24.90489
185.5 24.96848
186.5 25.03182
187.5 25.0949
188.5 25.15773
189.5 25.22032
190.5 25.28267
191.5 25.34478
192.5 25.40668
193.5 25.46835
194.5 25.52982
195.5 25.59109
196.5 25.65217
197.5 25.71306
198.5 25.77379
199.5 25.83436
200.5 25.89477
201.5 25.95504
202.5 26.01519
203.5 26.07522
204.5 26.13515
205.5 26.19498
206.5 26.25474
207.5 26.31443
208.5 26.37407
209.5 26.43368
210.5 26.49326
211.5 26.55284
212.5 26.61243
213.5 26.67204
214.5 26.73169
215.5 26.79141
216.5 26.8512
217.5 26.91109
218.5 26.97108
219.5 27.03121
220.5 27.09149
221.5 27.15194
222.5 27.21259
223.5 27.27344
224.5 27.33452
225.5 27.39585
226.5 27.45746
227.5 27.51936
228.5 27.58159
229.5 27.64415
230.5 27.70707
231.5 27.77039
232.5 27.83411
233.5 27.89828
234.5 27.9629
235.5 28.02801
236.5 28.09363
237.5 28.15978
238.5 28.2265
239.5 28.29381
240 28.3277
240.5 28.36174

95th Percentile

Age (in months) BMI
24 19.33801
24.5 19.2789
25.5 19.16466
26.5 19.05567
27.5 18.95187
28.5 18.85317
29.5 18.75949
30.5 18.67078
31.5 18.58695
32.5 18.50792
33.5 18.43363
34.5 18.364
35.5 18.29895
36.5 18.23842
37.5 18.18231
38.5 18.13057
39.5 18.08311
40.5 18.03986
41.5 18.00074
42.5 17.96568
43.5 17.93459
44.5 17.90741
45.5 17.88405
46.5 17.86444
47.5 17.8485
48.5 17.83614
49.5 17.8273
50.5 17.82189
51.5 17.81983
52.5 17.82104
53.5 17.82544
54.5 17.83295
55.5 17.84349
56.5 17.85699
57.5 17.87335
58.5 17.89252
59.5 17.9144
60.5 17.93893
61.5 17.96602
62.5 17.99562
63.5 18.02764
64.5 18.06201
65.5 18.09868
66.5 18.13758
67.5 18.17863
68.5 18.22179
69.5 18.26698
70.5 18.31416
71.5 18.36325
72.5 18.41421
73.5 18.46699
74.5 18.52152
75.5 18.57775
76.5 18.63564
77.5 18.69513
78.5 18.75617
79.5 18.81872
80.5 18.88272
81.5 18.94814
82.5 19.01491
83.5 19.083
84.5 19.15236
85.5 19.22295
86.5 19.29471
87.5 19.36761
88.5 19.44161
89.5 19.51666
90.5 19.59272
91.5 19.66974
92.5 19.74769
93.5 19.82652
94.5 19.9062
95.5 19.98668
96.5 20.06793
97.5 20.1499
98.5 20.23256
99.5 20.31587
100.5 20.39979
101.5 20.48429
102.5 20.56933
103.5 20.65487
104.5 20.74089
105.5 20.82733
106.5 20.91417
107.5 21.00138
108.5 21.08893
109.5 21.17677
110.5 21.26488
111.5 21.35323
112.5 21.44178
113.5 21.53051
114.5 21.61938
115.5 21.70837
116.5 21.79745
117.5 21.88659
118.5 21.97576
119.5 22.06494
120.5 22.15409
121.5 22.2432
122.5 22.33224
123.5 22.42118
124.5 22.51
125.5 22.59868
126.5 22.68719
127.5 22.77551
128.5 22.86363
129.5 22.95151
130.5 23.03915
131.5 23.12651
132.5 23.21358
133.5 23.30035
134.5 23.38679
135.5 23.47289
136.5 23.55863
137.5 23.644
138.5 23.72897
139.5 23.81354
140.5 23.89769
141.5 23.98141
142.5 24.06469
143.5 24.1475
144.5 24.22985
145.5 24.31172
146.5 24.3931
147.5 24.47397
148.5 24.55434
149.5 24.6342
150.5 24.71352
151.5 24.79232
152.5 24.87058
153.5 24.94829
154.5 25.02545
155.5 25.10206
156.5 25.17811
157.5 25.2536
158.5 25.32853
159.5 25.40289
160.5 25.47668
161.5 25.5499
162.5 25.62256
163.5 25.69464
164.5 25.76616
165.5 25.83712
166.5 25.90751
167.5 25.97734
168.5 26.04662
169.5 26.11535
170.5 26.18353
171.5 26.25117
172.5 26.31828
173.5 26.38485
174.5 26.45091
175.5 26.51646
176.5 26.58151
177.5 26.64606
178.5 26.71014
179.5 26.77374
180.5 26.83688
181.5 26.89958
182.5 26.96184
183.5 27.02368
184.5 27.08511
185.5 27.14616
186.5 27.20683
187.5 27.26714
188.5 27.3271
189.5 27.38675
190.5 27.44609
191.5 27.50514
192.5 27.56393
193.5 27.62247
194.5 27.68078
195.5 27.7389
196.5 27.79683
197.5 27.85461
198.5 27.91225
199.5 27.96979
200.5 28.02724
201.5 28.08464
202.5 28.142
203.5 28.19937
204.5 28.25676
205.5 28.3142
206.5 28.37173
207.5 28.42937
208.5 28.48716
209.5 28.54513
210.5 28.6033
211.5 28.66171
212.5 28.72041
213.5 28.77941
214.5 28.83875
215.5 28.89848
216.5 28.95862
217.5 29.01921
218.5 29.0803
219.5 29.14191
220.5 29.20409
221.5 29.26687
222.5 29.3303
223.5 29.39442
224.5 29.45926
225.5 29.52487
226.5 29.5913
227.5 29.65857
228.5 29.72674
229.5 29.79585
230.5 29.86595
231.5 29.93707
232.5 30.00927
233.5 30.08258
234.5 30.15706
235.5 30.23276
236.5 30.30971
237.5 30.38797
238.5 30.46758
239.5 30.54859
240 30.58964
240.5 30.63106

97th Percentile

Age (in months) BMI
24 19.85986
24.5 19.79194
25.5 19.66102
26.5 19.53658
27.5 19.41849
28.5 19.30665
29.5 19.20097
30.5 19.10132
31.5 19.00761
32.5 18.91973
33.5 18.83758
34.5 18.76106
35.5 18.69006
36.5 18.62449
37.5 18.56425
38.5 18.50924
39.5 18.45938
40.5 18.41456
41.5 18.37469
42.5 18.33969
43.5 18.30947
44.5 18.28393
45.5 18.263
46.5 18.24658
47.5 18.23459
48.5 18.22694
49.5 18.22354
50.5 18.22431
51.5 18.22915
52.5 18.23799
53.5 18.25071
54.5 18.26725
55.5 18.2875
56.5 18.31136
57.5 18.33875
58.5 18.36957
59.5 18.40373
60.5 18.44112
61.5 18.48166
62.5 18.52525
63.5 18.57179
64.5 18.6212
65.5 18.67337
66.5 18.72823
67.5 18.78569
68.5 18.84564
69.5 18.90802
70.5 18.97273
71.5 19.03969
72.5 19.10882
73.5 19.18005
74.5 19.25329
75.5 19.32847
76.5 19.40551
77.5 19.48434
78.5 19.5649
79.5 19.6471
80.5 19.73089
81.5 19.81619
82.5 19.90294
83.5 19.99107
84.5 20.08052
85.5 20.17123
86.5 20.26314
87.5 20.35618
88.5 20.45031
89.5 20.54545
90.5 20.64155
91.5 20.73856
92.5 20.83643
93.5 20.93509
94.5 21.03449
95.5 21.13459
96.5 21.23532
97.5 21.33665
98.5 21.43852
99.5 21.54088
100.5 21.64368
101.5 21.74689
102.5 21.85044
103.5 21.9543
104.5 22.05842
105.5 22.16276
106.5 22.26727
107.5 22.37192
108.5 22.47666
109.5 22.58145
110.5 22.68625
111.5 22.79103
112.5 22.89575
113.5 23.00036
114.5 23.10484
115.5 23.20915
116.5 23.31326
117.5 23.41712
118.5 23.52071
119.5 23.624
120.5 23.72696
121.5 23.82955
122.5 23.93175
123.5 24.03353
124.5 24.13486
125.5 24.23571
126.5 24.33606
127.5 24.43589
128.5 24.53516
129.5 24.63386
130.5 24.73197
131.5 24.82945
132.5 24.9263
133.5 25.02249
134.5 25.11801
135.5 25.21283
136.5 25.30693
137.5 25.40031
138.5 25.49294
139.5 25.58481
140.5 25.67591
141.5 25.76623
142.5 25.85575
143.5 25.94446
144.5 26.03234
145.5 26.11941
146.5 26.20563
147.5 26.29101
148.5 26.37553
149.5 26.4592
150.5 26.54201
151.5 26.62395
152.5 26.70501
153.5 26.78521
154.5 26.86453
155.5 26.94297
156.5 27.02054
157.5 27.09724
158.5 27.17307
159.5 27.24802
160.5 27.32211
161.5 27.39534
162.5 27.46771
163.5 27.53924
164.5 27.60992
165.5 27.67977
166.5 27.74879
167.5 27.817
168.5 27.88441
169.5 27.95102
170.5 28.01686
171.5 28.08193
172.5 28.14624
173.5 28.20983
174.5 28.27269
175.5 28.33484
176.5 28.39632
177.5 28.45712
178.5 28.51728
179.5 28.57682
180.5 28.63575
181.5 28.6941
182.5 28.75189
183.5 28.80915
184.5 28.8659
185.5 28.92217
186.5 28.97798
187.5 29.03337
188.5 29.08835
189.5 29.14297
190.5 29.19725
191.5 29.25123
192.5 29.30493
193.5 29.35838
194.5 29.41164
195.5 29.46472
196.5 29.51767
197.5 29.57051
198.5 29.6233
199.5 29.67606
200.5 29.72885
201.5 29.78169
202.5 29.83463
203.5 29.88771
204.5 29.94097
205.5 29.99447
206.5 30.04824
207.5 30.10232
208.5 30.15677
209.5 30.21164
210.5 30.26696
211.5 30.3228
212.5 30.3792
213.5 30.4362
214.5 30.49387
215.5 30.55225
216.5 30.6114
217.5 30.67137
218.5 30.73222
219.5 30.794
220.5 30.85677
221.5 30.92058
222.5 30.9855
223.5 31.05158
224.5 31.11888
225.5 31.18746
226.5 31.25739
227.5 31.32872
228.5 31.40152
229.5 31.47585
230.5 31.55178
231.5 31.62937
232.5 31.70868
233.5 31.78979
234.5 31.87275
235.5 31.95764
236.5 32.04453
237.5 32.13348
238.5 32.22457
239.5 32.31787
240 32.36537
240.5 32.41344
Page last reviewed: August 23, 2001