Boys Weight-for-length (5th through 95th percentiles)
5th Percentile
| Length (in centimeters) |
Weight (in kilograms) |
| 45 |
1.690594 |
| 45.5 |
1.792955 |
| 46.5 |
2.003061 |
| 47.5 |
2.219514 |
| 48.5 |
2.441422 |
| 49.5 |
2.667982 |
| 50.5 |
2.898464 |
| 51.5 |
3.132187 |
| 52.5 |
3.368517 |
| 53.5 |
3.60686 |
| 54.5 |
3.846658 |
| 55.5 |
4.087392 |
| 56.5 |
4.328585 |
| 57.5 |
4.569795 |
| 58.5 |
4.810625 |
| 59.5 |
5.050717 |
| 60.5 |
5.289754 |
| 61.5 |
5.52746 |
| 62.5 |
5.763596 |
| 63.5 |
5.997962 |
| 64.5 |
6.230396 |
| 65.5 |
6.460765 |
| 66.5 |
6.688975 |
| 67.5 |
6.914958 |
| 68.5 |
7.138676 |
| 69.5 |
7.360121 |
| 70.5 |
7.579308 |
| 71.5 |
7.796275 |
| 72.5 |
8.011085 |
| 73.5 |
8.223823 |
| 74.5 |
8.434591 |
| 75.5 |
8.643512 |
| 76.5 |
8.850726 |
| 77.5 |
9.056391 |
| 78.5 |
9.260678 |
| 79.5 |
9.463776 |
| 80.5 |
9.665884 |
| 81.5 |
9.867216 |
| 82.5 |
10.068 |
| 83.5 |
10.26846 |
| 84.5 |
10.46885 |
| 85.5 |
10.66943 |
| 86.5 |
10.87044 |
| 87.5 |
11.07217 |
| 88.5 |
11.27489 |
| 89.5 |
11.47887 |
| 90.5 |
11.68439 |
| 91.5 |
11.89175 |
| 92.5 |
12.10123 |
| 93.5 |
12.31313 |
| 94.5 |
12.52772 |
| 95.5 |
12.74531 |
| 96.5 |
12.96617 |
| 97.5 |
13.19061 |
| 98.5 |
13.41889 |
| 99.5 |
13.65129 |
| 100.5 |
13.88809 |
| 101.5 |
14.12954 |
| 102.5 |
14.3759 |
| 103.5 |
14.62739 |
10th Percentile
| Length (in centimeters) |
Weight (in kilograms) |
| 45 |
1.830303 |
| 45.5 |
1.928805 |
| 46.5 |
2.132607 |
| 47.5 |
2.344442 |
| 48.5 |
2.563171 |
| 49.5 |
2.787763 |
| 50.5 |
3.017289 |
| 51.5 |
3.250908 |
| 52.5 |
3.487856 |
| 53.5 |
3.727435 |
| 54.5 |
3.969008 |
| 55.5 |
4.211993 |
| 56.5 |
4.45586 |
| 57.5 |
4.700128 |
| 58.5 |
4.944362 |
| 59.5 |
5.188173 |
| 60.5 |
5.431217 |
| 61.5 |
5.67319 |
| 62.5 |
5.913829 |
| 63.5 |
6.152907 |
| 64.5 |
6.390239 |
| 65.5 |
6.625668 |
| 66.5 |
6.859076 |
| 67.5 |
7.090373 |
| 68.5 |
7.3195 |
| 69.5 |
7.546426 |
| 70.5 |
7.771148 |
| 71.5 |
7.993688 |
| 72.5 |
8.214092 |
| 73.5 |
8.432429 |
| 74.5 |
8.648791 |
| 75.5 |
8.863288 |
| 76.5 |
9.076053 |
| 77.5 |
9.287233 |
| 78.5 |
9.496996 |
| 79.5 |
9.705524 |
| 80.5 |
9.913012 |
| 81.5 |
10.11967 |
| 82.5 |
10.32573 |
| 83.5 |
10.53141 |
| 84.5 |
10.73696 |
| 85.5 |
10.94264 |
| 86.5 |
11.1487 |
| 87.5 |
11.35541 |
| 88.5 |
11.56304 |
| 89.5 |
11.77186 |
| 90.5 |
11.98216 |
| 91.5 |
12.19422 |
| 92.5 |
12.40832 |
| 93.5 |
12.62473 |
| 94.5 |
12.84375 |
| 95.5 |
13.06565 |
| 96.5 |
13.2907 |
| 97.5 |
13.51919 |
| 98.5 |
13.75137 |
| 99.5 |
13.98752 |
| 100.5 |
14.22789 |
| 101.5 |
14.47272 |
| 102.5 |
14.72227 |
| 103.5 |
14.97676 |
25th Percentile
| Length (in centimeters) |
Weight (in kilograms) |
| 45 |
2.053702 |
| 45.5 |
2.149314 |
| 46.5 |
2.348353 |
| 47.5 |
2.556834 |
| 48.5 |
2.773594 |
| 49.5 |
2.997515 |
| 50.5 |
3.227549 |
| 51.5 |
3.462736 |
| 52.5 |
3.702195 |
| 53.5 |
3.94513 |
| 54.5 |
4.190816 |
| 55.5 |
4.438598 |
| 56.5 |
4.687883 |
| 57.5 |
4.938134 |
| 58.5 |
5.188867 |
| 59.5 |
5.439648 |
| 60.5 |
5.690087 |
| 61.5 |
5.939837 |
| 62.5 |
6.188595 |
| 63.5 |
6.436094 |
| 64.5 |
6.682104 |
| 65.5 |
6.926433 |
| 66.5 |
7.168923 |
| 67.5 |
7.409447 |
| 68.5 |
7.647914 |
| 69.5 |
7.884259 |
| 70.5 |
8.118452 |
| 71.5 |
8.350489 |
| 72.5 |
8.580393 |
| 73.5 |
8.808215 |
| 74.5 |
9.034032 |
| 75.5 |
9.257943 |
| 76.5 |
9.48007 |
| 77.5 |
9.700557 |
| 78.5 |
9.919568 |
| 79.5 |
10.13728 |
| 80.5 |
10.3539 |
| 81.5 |
10.56964 |
| 82.5 |
10.78473 |
| 83.5 |
10.9994 |
| 84.5 |
11.2139 |
| 85.5 |
11.4285 |
| 86.5 |
11.64347 |
| 87.5 |
11.85907 |
| 88.5 |
12.07558 |
| 89.5 |
12.29329 |
| 90.5 |
12.51247 |
| 91.5 |
12.73341 |
| 92.5 |
12.95639 |
| 93.5 |
13.18168 |
| 94.5 |
13.40955 |
| 95.5 |
13.64028 |
| 96.5 |
13.87412 |
| 97.5 |
14.11134 |
| 98.5 |
14.35217 |
| 99.5 |
14.59685 |
| 100.5 |
14.84563 |
| 101.5 |
15.09871 |
| 102.5 |
15.35633 |
| 103.5 |
15.61869 |
50th Percentile
| Length (in centimeters) |
Weight (in kilograms) |
| 45 |
2.289758 |
| 45.5 |
2.386172 |
| 46.5 |
2.587098 |
| 47.5 |
2.797953 |
| 48.5 |
3.01768 |
| 49.5 |
3.245226 |
| 50.5 |
3.479568 |
| 51.5 |
3.71974 |
| 52.5 |
3.964838 |
| 53.5 |
4.214033 |
| 54.5 |
4.466563 |
| 55.5 |
4.721731 |
| 56.5 |
4.978904 |
| 57.5 |
5.237505 |
| 58.5 |
5.497009 |
| 59.5 |
5.75694 |
| 60.5 |
6.016867 |
| 61.5 |
6.276401 |
| 62.5 |
6.535196 |
| 63.5 |
6.792942 |
| 64.5 |
7.04937 |
| 65.5 |
7.304249 |
| 66.5 |
7.557382 |
| 67.5 |
7.80861 |
| 68.5 |
8.05781 |
| 69.5 |
8.304892 |
| 70.5 |
8.549803 |
| 71.5 |
8.79252 |
| 72.5 |
9.033055 |
| 73.5 |
9.271449 |
| 74.5 |
9.507774 |
| 75.5 |
9.742129 |
| 76.5 |
9.974642 |
| 77.5 |
10.20546 |
| 78.5 |
10.43477 |
| 79.5 |
10.66275 |
| 80.5 |
10.88963 |
| 81.5 |
11.11563 |
| 82.5 |
11.34101 |
| 83.5 |
11.56604 |
| 84.5 |
11.79097 |
| 85.5 |
12.01611 |
| 86.5 |
12.24174 |
| 87.5 |
12.46816 |
| 88.5 |
12.69567 |
| 89.5 |
12.92459 |
| 90.5 |
13.1552 |
| 91.5 |
13.38782 |
| 92.5 |
13.62274 |
| 93.5 |
13.86026 |
| 94.5 |
14.10065 |
| 95.5 |
14.3442 |
| 96.5 |
14.59115 |
| 97.5 |
14.84177 |
| 98.5 |
15.09629 |
| 99.5 |
15.35493 |
| 100.5 |
15.6179 |
| 101.5 |
15.88539 |
| 102.5 |
16.1576 |
| 103.5 |
16.43469 |
75th Percentile
| Length (in centimeters) |
Weight (in kilograms) |
| 45 |
2.515339 |
| 45.5 |
2.615766 |
| 46.5 |
2.824925 |
| 47.5 |
3.044241 |
| 48.5 |
3.272646 |
| 49.5 |
3.509104 |
| 50.5 |
3.752613 |
| 51.5 |
4.002224 |
| 52.5 |
4.25704 |
| 53.5 |
4.516224 |
| 54.5 |
4.779003 |
| 55.5 |
5.04466 |
| 56.5 |
5.312536 |
| 57.5 |
5.582027 |
| 58.5 |
5.852575 |
| 59.5 |
6.123672 |
| 60.5 |
6.394852 |
| 61.5 |
6.665693 |
| 62.5 |
6.935815 |
| 63.5 |
7.204879 |
| 64.5 |
7.472584 |
| 65.5 |
7.738675 |
| 66.5 |
8.002935 |
| 67.5 |
8.265185 |
| 68.5 |
8.525292 |
| 69.5 |
8.783156 |
| 70.5 |
9.038722 |
| 71.5 |
9.291971 |
| 72.5 |
9.542919 |
| 73.5 |
9.791619 |
| 74.5 |
10.03816 |
| 75.5 |
10.28266 |
| 76.5 |
10.52527 |
| 77.5 |
10.76616 |
| 78.5 |
11.00555 |
| 79.5 |
11.24366 |
| 80.5 |
11.48074 |
| 81.5 |
11.71706 |
| 82.5 |
11.95292 |
| 83.5 |
12.18862 |
| 84.5 |
12.42449 |
| 85.5 |
12.66085 |
| 86.5 |
12.89804 |
| 87.5 |
13.13642 |
| 88.5 |
13.37634 |
| 89.5 |
13.61816 |
| 90.5 |
13.86223 |
| 91.5 |
14.10891 |
| 92.5 |
14.35855 |
| 93.5 |
14.61149 |
| 94.5 |
14.86807 |
| 95.5 |
15.1286 |
| 96.5 |
15.3934 |
| 97.5 |
15.66275 |
| 98.5 |
15.93692 |
| 99.5 |
16.21616 |
| 100.5 |
16.5007 |
| 101.5 |
16.79074 |
| 102.5 |
17.08647 |
| 103.5 |
17.38804 |
90th Percentile
| Length (in centimeters) |
Weight (in kilograms) |
| 45 |
2.710847 |
| 45.5 |
2.817045 |
| 46.5 |
3.038263 |
| 47.5 |
3.270147 |
| 48.5 |
3.511467 |
| 49.5 |
3.761072 |
| 50.5 |
4.017882 |
| 51.5 |
4.280885 |
| 52.5 |
4.549132 |
| 53.5 |
4.821742 |
| 54.5 |
5.097891 |
| 55.5 |
5.376818 |
| 56.5 |
5.657821 |
| 57.5 |
5.940251 |
| 58.5 |
6.223516 |
| 59.5 |
6.507073 |
| 60.5 |
6.790428 |
| 61.5 |
7.073138 |
| 62.5 |
7.354808 |
| 63.5 |
7.635088 |
| 64.5 |
7.913678 |
| 65.5 |
8.190324 |
| 66.5 |
8.464818 |
| 67.5 |
8.736999 |
| 68.5 |
9.006749 |
| 69.5 |
9.273997 |
| 70.5 |
9.538712 |
| 71.5 |
9.800906 |
| 72.5 |
10.06063 |
| 73.5 |
10.31798 |
| 74.5 |
10.57307 |
| 75.5 |
10.82606 |
| 76.5 |
11.07716 |
| 77.5 |
11.32658 |
| 78.5 |
11.57457 |
| 79.5 |
11.82142 |
| 80.5 |
12.06742 |
| 81.5 |
12.31291 |
| 82.5 |
12.55822 |
| 83.5 |
12.80374 |
| 84.5 |
13.04983 |
| 85.5 |
13.2969 |
| 86.5 |
13.54536 |
| 87.5 |
13.79564 |
| 88.5 |
14.04815 |
| 89.5 |
14.30335 |
| 90.5 |
14.56167 |
| 91.5 |
14.82356 |
| 92.5 |
15.08946 |
| 93.5 |
15.35982 |
| 94.5 |
15.63508 |
| 95.5 |
15.91565 |
| 96.5 |
16.20197 |
| 97.5 |
16.49444 |
| 98.5 |
16.79345 |
| 99.5 |
17.09937 |
| 100.5 |
17.41255 |
| 101.5 |
17.7333 |
| 102.5 |
18.06192 |
| 103.5 |
18.39868 |
95th Percentile
| Length (in centimeters) |
Weight (in kilograms) |
| 45 |
2.824861 |
| 45.5 |
2.935329 |
| 46.5 |
3.165635 |
| 47.5 |
3.407201 |
| 48.5 |
3.658641 |
| 49.5 |
3.918675 |
| 50.5 |
4.186113 |
| 51.5 |
4.459846 |
| 52.5 |
4.738836 |
| 53.5 |
5.02212 |
| 54.5 |
5.308799 |
| 55.5 |
5.598043 |
| 56.5 |
5.889087 |
| 57.5 |
6.18123 |
| 58.5 |
6.473835 |
| 59.5 |
6.766328 |
| 60.5 |
7.058196 |
| 61.5 |
7.348985 |
| 62.5 |
7.638301 |
| 63.5 |
7.925804 |
| 64.5 |
8.211214 |
| 65.5 |
8.494298 |
| 66.5 |
8.77488 |
| 67.5 |
9.052831 |
| 68.5 |
9.32807 |
| 69.5 |
9.600563 |
| 70.5 |
9.870317 |
| 71.5 |
10.13738 |
| 72.5 |
10.40185 |
| 73.5 |
10.66385 |
| 74.5 |
10.92355 |
| 75.5 |
11.18113 |
| 76.5 |
11.43684 |
| 77.5 |
11.69094 |
| 78.5 |
11.94372 |
| 79.5 |
12.19549 |
| 80.5 |
12.4466 |
| 81.5 |
12.69742 |
| 82.5 |
12.94833 |
| 83.5 |
13.19976 |
| 84.5 |
13.45214 |
| 85.5 |
13.70591 |
| 86.5 |
13.96154 |
| 87.5 |
14.21951 |
| 88.5 |
14.48032 |
| 89.5 |
14.74447 |
| 90.5 |
15.01249 |
| 91.5 |
15.28489 |
| 92.5 |
15.56221 |
| 93.5 |
15.84499 |
| 94.5 |
16.13377 |
| 95.5 |
16.42909 |
| 96.5 |
16.7315 |
| 97.5 |
17.04155 |
| 98.5 |
17.35976 |
| 99.5 |
17.68666 |
| 100.5 |
18.02279 |
| 101.5 |
18.36864 |
| 102.5 |
18.72469 |
| 103.5 |
19.09143 |
Last Reviewed:
August 23, 2001
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