Data Table of Infant Weight-for-length Charts
Males, Birth – 36 Months
| Length (in centimeters) |
3rd Percentile Weight (in kilograms) |
5th Percentile Weight (in kilograms) |
10th Percentile Weight (in kilograms) |
25th Percentile Weight (in kilograms) |
50th Percentile Weight (in kilograms) |
75th Percentile Weight (in kilograms) |
90th Percentile Weight (in kilograms) |
95th Percentile Weight (in kilograms) |
97th Percentile Weight (in kilograms) |
| 45 |
1.597029 |
1.690594 |
1.830303 |
2.053702 |
2.289758 |
2.515339 |
2.710847 |
2.824861 |
2.897809 |
| 45.5 |
1.702957 |
1.792955 |
1.928805 |
2.149314 |
2.386172 |
2.615766 |
2.817045 |
2.935329 |
3.011338 |
| 46.5 |
1.918742 |
2.003061 |
2.132607 |
2.348353 |
2.587098 |
2.824925 |
3.038263 |
3.165635 |
3.24824 |
| 47.5 |
2.139283 |
2.219514 |
2.344442 |
2.556834 |
2.797953 |
3.044241 |
3.270147 |
3.407201 |
3.496935 |
| 48.5 |
2.364026 |
2.441422 |
2.563171 |
2.773594 |
3.01768 |
3.272646 |
3.511467 |
3.658641 |
3.755928 |
| 49.5 |
2.592431 |
2.667982 |
2.787763 |
2.997515 |
3.245226 |
3.509104 |
3.761072 |
3.918675 |
4.023835 |
| 50.5 |
2.823967 |
2.898464 |
3.017289 |
3.227549 |
3.479568 |
3.752613 |
4.017882 |
4.186113 |
4.299369 |
| 51.5 |
3.058104 |
3.132187 |
3.250908 |
3.462736 |
3.71974 |
4.002224 |
4.280885 |
4.459846 |
4.581326 |
| 52.5 |
3.294322 |
3.368517 |
3.487856 |
3.702195 |
3.964838 |
4.25704 |
4.549132 |
4.738836 |
4.868586 |
| 53.5 |
3.53211 |
3.60686 |
3.727435 |
3.94513 |
4.214033 |
4.516224 |
4.821742 |
5.02212 |
5.160095 |
| 54.5 |
3.770975 |
3.846658 |
3.969008 |
4.190816 |
4.466563 |
4.779003 |
5.097891 |
5.308799 |
5.454877 |
| 55.5 |
4.010448 |
4.087392 |
4.211993 |
4.438598 |
4.721731 |
5.04466 |
5.376818 |
5.598043 |
5.752027 |
| 56.5 |
4.250088 |
4.328585 |
4.45586 |
4.687883 |
4.978904 |
5.312536 |
5.657821 |
5.889087 |
6.050711 |
| 57.5 |
4.489486 |
4.569795 |
4.700128 |
4.938134 |
5.237505 |
5.582027 |
5.940251 |
6.18123 |
6.350174 |
| 58.5 |
4.728267 |
4.810625 |
4.944362 |
5.188867 |
5.497009 |
5.852575 |
6.223516 |
6.473835 |
6.649733 |
| 59.5 |
4.966097 |
5.050717 |
5.188173 |
5.439648 |
5.75694 |
6.123672 |
6.507073 |
6.766328 |
6.948783 |
| 60.5 |
5.202677 |
5.289754 |
5.431217 |
5.690087 |
6.016867 |
6.394852 |
6.790428 |
7.058196 |
7.246792 |
| 61.5 |
5.437748 |
5.52746 |
5.67319 |
5.939837 |
6.276401 |
6.665693 |
7.073138 |
7.348985 |
7.543303 |
| 62.5 |
5.671089 |
5.763596 |
5.913829 |
6.188595 |
6.535196 |
6.935815 |
7.354808 |
7.638301 |
7.837924 |
| 63.5 |
5.902516 |
5.997962 |
6.152907 |
6.436094 |
6.792942 |
7.204879 |
7.635088 |
7.925804 |
8.130333 |
| 64.5 |
6.131881 |
6.230396 |
6.390239 |
6.682104 |
7.04937 |
7.472584 |
7.913678 |
8.211214 |
8.420274 |
| 65.5 |
6.359068 |
6.460765 |
6.625668 |
6.926433 |
7.304249 |
7.738675 |
8.190324 |
8.494298 |
8.707544 |
| 66.5 |
6.583998 |
6.688975 |
6.859076 |
7.168923 |
7.557382 |
8.002935 |
8.464818 |
8.77488 |
8.991999 |
| 67.5 |
6.806616 |
6.914958 |
7.090373 |
7.409447 |
7.80861 |
8.265185 |
8.736999 |
9.052831 |
9.273547 |
| 68.5 |
7.026901 |
7.138676 |
7.3195 |
7.647914 |
8.05781 |
8.525292 |
9.006749 |
9.32807 |
9.552146 |
| 69.5 |
7.244856 |
7.360121 |
7.546426 |
7.884259 |
8.304892 |
8.783156 |
9.273997 |
9.600563 |
9.827798 |
| 70.5 |
7.46051 |
7.579308 |
7.771148 |
8.118452 |
8.549803 |
9.038722 |
9.538712 |
9.870317 |
10.10055 |
| 71.5 |
7.673914 |
7.796275 |
7.993688 |
8.350489 |
8.79252 |
9.291971 |
9.800906 |
10.13738 |
10.37048 |
| 72.5 |
7.88514 |
8.011085 |
8.214092 |
8.580393 |
9.033055 |
9.542919 |
10.06063 |
10.40185 |
10.63773 |
| 73.5 |
8.094285 |
8.223823 |
8.432429 |
8.808215 |
9.271449 |
9.791619 |
10.31798 |
10.66385 |
10.90245 |
| 74.5 |
8.301459 |
8.434591 |
8.648791 |
9.034032 |
9.507774 |
10.03816 |
10.57307 |
10.92355 |
11.16484 |
| 75.5 |
8.506795 |
8.643512 |
8.863288 |
9.257943 |
9.742129 |
10.28266 |
10.82606 |
11.18113 |
11.42513 |
| 76.5 |
8.710439 |
8.850726 |
9.076053 |
9.48007 |
9.974642 |
10.52527 |
11.07716 |
11.43684 |
11.68357 |
| 77.5 |
8.912556 |
9.056391 |
9.287233 |
9.700557 |
10.20546 |
10.76616 |
11.32658 |
11.69094 |
11.94047 |
| 78.5 |
9.113322 |
9.260678 |
9.496996 |
9.919568 |
10.43477 |
11.00555 |
11.57457 |
11.94372 |
12.19614 |
| 79.5 |
9.312931 |
9.463776 |
9.705524 |
10.13728 |
10.66275 |
11.24366 |
11.82142 |
12.19549 |
12.45094 |
| 80.5 |
9.511587 |
9.665884 |
9.913012 |
10.3539 |
10.88963 |
11.48074 |
12.06742 |
12.4466 |
12.70522 |
| 81.5 |
9.709506 |
9.867216 |
10.11967 |
10.56964 |
11.11563 |
11.71706 |
12.31291 |
12.69742 |
12.95941 |
| 82.5 |
9.906918 |
10.068 |
10.32573 |
10.78473 |
11.34101 |
11.95292 |
12.55822 |
12.94833 |
13.21392 |
| 83.5 |
10.10406 |
10.26846 |
10.53141 |
10.9994 |
11.56604 |
12.18862 |
12.80374 |
13.19976 |
13.46919 |
| 84.5 |
10.30118 |
10.46885 |
10.73696 |
11.2139 |
11.79097 |
12.42449 |
13.04983 |
13.45214 |
13.7257 |
| 85.5 |
10.49853 |
10.66943 |
10.94264 |
11.4285 |
12.01611 |
12.66085 |
13.2969 |
13.70591 |
13.98393 |
| 86.5 |
10.69638 |
10.87044 |
11.1487 |
11.64347 |
12.24174 |
12.89804 |
13.54536 |
13.96154 |
14.2444 |
| 87.5 |
10.89501 |
11.07217 |
11.35541 |
11.85907 |
12.46816 |
13.13642 |
13.79564 |
14.21951 |
14.50763 |
| 88.5 |
11.09468 |
11.27489 |
11.56304 |
12.07558 |
12.69567 |
13.37634 |
14.04815 |
14.48032 |
14.77417 |
| 89.5 |
11.29567 |
11.47887 |
11.77186 |
12.29329 |
12.92459 |
13.61816 |
14.30335 |
14.74447 |
15.04457 |
| 90.5 |
11.49829 |
11.68439 |
11.98216 |
12.51247 |
13.1552 |
13.86223 |
14.56167 |
15.01249 |
15.31941 |
| 91.5 |
11.70281 |
11.89175 |
12.19422 |
12.73341 |
13.38782 |
14.10891 |
14.82356 |
15.28489 |
15.5993 |
| 92.5 |
11.90954 |
12.10123 |
12.40832 |
12.95639 |
13.62274 |
14.35855 |
15.08946 |
15.56221 |
15.88482 |
| 93.5 |
12.11877 |
12.31313 |
12.62473 |
13.18168 |
13.86026 |
14.61149 |
15.35982 |
15.84499 |
16.17661 |
| 94.5 |
12.33079 |
12.52772 |
12.84375 |
13.40955 |
14.10065 |
14.86807 |
15.63508 |
16.13377 |
16.4753 |
| 95.5 |
12.54591 |
12.74531 |
13.06565 |
13.64028 |
14.3442 |
15.1286 |
15.91565 |
16.42909 |
16.78152 |
| 96.5 |
12.76442 |
12.96617 |
13.2907 |
13.87412 |
14.59115 |
15.3934 |
16.20197 |
16.7315 |
17.09595 |
| 97.5 |
12.98661 |
13.19061 |
13.51919 |
14.11134 |
14.84177 |
15.66275 |
16.49444 |
17.04155 |
17.41925 |
| 98.5 |
13.21277 |
13.41889 |
13.75137 |
14.35217 |
15.09629 |
15.93692 |
16.79345 |
17.35976 |
17.7521 |
| 99.5 |
13.4432 |
13.65129 |
13.98752 |
14.59685 |
15.35493 |
16.21616 |
17.09937 |
17.68666 |
18.09519 |
| 100.5 |
13.67815 |
13.88809 |
14.22789 |
14.84563 |
15.6179 |
16.5007 |
17.41255 |
18.02279 |
18.44921 |
| 101.5 |
13.9179 |
14.12954 |
14.47272 |
15.09871 |
15.88539 |
16.79074 |
17.7333 |
18.36864 |
18.81488 |
| 102.5 |
14.1627 |
14.3759 |
14.72227 |
15.35633 |
16.1576 |
17.08647 |
18.06192 |
18.72469 |
19.19291 |
| 103.5 |
14.41278 |
14.62739 |
14.97676 |
15.61869 |
16.43469 |
17.38804 |
18.39868 |
19.09143 |
19.584 |
Females, Birth – 36 Months
| Length (in centimeters) |
3rd Percentile Weight (in kilograms) |
5th Percentile Weight (in kilograms) |
10th Percentile Weight (in kilograms) |
25th Percentile Weight (in kilograms) |
50th Percentile Weight (in kilograms) |
75th Percentile Weight (in kilograms) |
90th Percentile Weight (in kilograms) |
95th Percentile Weight (in kilograms) |
97th Percentile Weight (in kilograms) |
| 45 |
1.613026 |
1.695309 |
1.824645 |
2.047708 |
2.305397 |
2.573066 |
2.822212 |
2.974944 |
3.07556 |
| 45.5 |
1.723754 |
1.805223 |
1.932851 |
2.151844 |
2.403257 |
2.662836 |
2.903176 |
3.049956 |
3.146436 |
| 46.5 |
1.946461 |
2.026496 |
2.151303 |
2.36396 |
2.60602 |
2.85389 |
3.081735 |
3.220173 |
3.310893 |
| 47.5 |
2.170805 |
2.249555 |
2.37216 |
2.580565 |
2.817114 |
3.058703 |
3.280281 |
3.414702 |
3.502713 |
| 48.5 |
2.396674 |
2.474214 |
2.595089 |
2.800986 |
3.035356 |
3.275452 |
3.496305 |
3.630585 |
3.718623 |
| 49.5 |
2.623846 |
2.700267 |
2.819827 |
3.024686 |
3.259693 |
3.502419 |
3.727426 |
3.86503 |
3.95557 |
| 50.5 |
2.852008 |
2.927479 |
3.046163 |
3.251251 |
3.48922 |
3.738025 |
3.971396 |
4.1154 |
4.210682 |
| 51.5 |
3.08078 |
3.155581 |
3.273901 |
3.480372 |
3.723195 |
3.980868 |
4.226124 |
4.379201 |
4.481218 |
| 52.5 |
3.309743 |
3.384267 |
3.502832 |
3.711802 |
3.961035 |
4.229754 |
4.489708 |
4.654076 |
4.764536 |
| 53.5 |
3.538486 |
3.613206 |
3.732716 |
3.945306 |
4.20227 |
4.483694 |
4.760456 |
4.937829 |
5.058091 |
| 54.5 |
3.766648 |
3.842082 |
3.963283 |
4.180623 |
4.446476 |
4.741844 |
5.036873 |
5.228445 |
5.359481 |
| 55.5 |
3.993949 |
4.070614 |
4.194251 |
4.417444 |
4.69322 |
5.003448 |
5.317644 |
5.524113 |
5.666498 |
| 56.5 |
4.220196 |
4.298576 |
4.425349 |
4.655423 |
4.942029 |
5.267777 |
5.601587 |
5.823224 |
5.977172 |
| 57.5 |
4.445271 |
4.525795 |
4.656327 |
4.894195 |
5.192403 |
5.534119 |
5.887634 |
6.124359 |
6.289779 |
| 58.5 |
4.669111 |
4.752144 |
4.886965 |
5.133399 |
5.44383 |
5.801773 |
6.174807 |
6.426274 |
6.602836 |
| 59.5 |
4.891683 |
4.977525 |
5.11707 |
5.372695 |
5.695813 |
6.070071 |
6.462217 |
6.727879 |
6.915076 |
| 60.5 |
5.112971 |
5.201863 |
5.346478 |
5.611774 |
5.94789 |
6.338391 |
6.749065 |
7.028227 |
7.225424 |
| 61.5 |
5.332968 |
5.425097 |
5.575047 |
5.85036 |
6.19964 |
6.606172 |
7.034645 |
7.326504 |
7.532981 |
| 62.5 |
5.551666 |
5.647175 |
5.802652 |
6.088213 |
6.450696 |
6.872915 |
7.318342 |
7.62202 |
7.836998 |
| 63.5 |
5.769061 |
5.868052 |
6.029191 |
6.325127 |
6.700737 |
7.138193 |
7.599636 |
7.914203 |
8.136875 |
| 64.5 |
5.985144 |
6.08769 |
6.254575 |
6.560927 |
6.949494 |
7.401643 |
7.878098 |
8.202596 |
8.432145 |
| 65.5 |
6.199913 |
6.306059 |
6.478732 |
6.795472 |
7.196745 |
7.662975 |
8.153389 |
8.486851 |
8.722464 |
| 66.5 |
6.413362 |
6.523134 |
6.701606 |
7.028648 |
7.442314 |
7.921956 |
8.425257 |
8.766723 |
9.007608 |
| 67.5 |
6.625492 |
6.738899 |
6.923153 |
7.260367 |
7.686067 |
8.178421 |
8.69353 |
9.042068 |
9.287465 |
| 68.5 |
6.836308 |
6.953346 |
7.143346 |
7.490568 |
7.927909 |
8.432257 |
8.958117 |
9.312833 |
9.56203 |
| 69.5 |
7.045821 |
7.166475 |
7.362171 |
7.719212 |
8.167784 |
8.683408 |
9.219002 |
9.579059 |
9.831396 |
| 70.5 |
7.254048 |
7.378297 |
7.579625 |
7.946282 |
8.405667 |
8.931871 |
9.476239 |
9.840866 |
10.09575 |
| 71.5 |
7.461016 |
7.588833 |
7.795721 |
8.171783 |
8.641566 |
9.177686 |
9.729947 |
10.09846 |
10.35537 |
| 72.5 |
7.66676 |
7.798112 |
8.010485 |
8.395736 |
8.87552 |
9.42094 |
9.98031 |
10.35211 |
10.61061 |
| 73.5 |
7.871329 |
8.006179 |
8.223954 |
8.61818 |
9.10759 |
9.66176 |
10.22757 |
10.60217 |
10.86191 |
| 74.5 |
8.074782 |
8.213088 |
8.436179 |
8.839171 |
9.337865 |
9.900312 |
10.47201 |
10.84905 |
11.10976 |
| 75.5 |
8.277191 |
8.418904 |
8.64722 |
9.058777 |
9.566453 |
10.13679 |
10.71399 |
11.09321 |
11.35475 |
| 76.5 |
8.478641 |
8.623706 |
8.857151 |
9.277079 |
9.793482 |
10.37143 |
10.95388 |
11.33518 |
11.5975 |
| 77.5 |
8.679234 |
8.827587 |
9.066055 |
9.494173 |
10.0191 |
10.60449 |
11.19212 |
11.57552 |
11.83868 |
| 78.5 |
8.879084 |
9.03065 |
9.274029 |
9.710161 |
10.24346 |
10.83625 |
11.42918 |
11.81486 |
12.07903 |
| 79.5 |
9.078323 |
9.233013 |
9.481178 |
9.925158 |
10.46675 |
11.06702 |
11.66555 |
12.05383 |
12.31932 |
| 80.5 |
9.277093 |
9.434804 |
9.687617 |
10.13929 |
10.68916 |
11.29712 |
11.90175 |
12.29314 |
12.56035 |
| 81.5 |
9.475554 |
9.636167 |
9.893474 |
10.35269 |
10.91087 |
11.5269 |
12.13833 |
12.53347 |
12.80295 |
| 82.5 |
9.673875 |
9.837254 |
10.09889 |
10.5655 |
11.13211 |
11.7567 |
12.37586 |
12.77557 |
13.04798 |
| 83.5 |
9.872237 |
10.03823 |
10.30401 |
10.77788 |
11.35309 |
11.98689 |
12.6149 |
13.02018 |
13.29632 |
| 84.5 |
10.07083 |
10.23927 |
10.509 |
10.99001 |
11.57406 |
12.21785 |
12.85604 |
13.26804 |
13.54884 |
| 85.5 |
10.26985 |
10.44056 |
10.71403 |
11.20206 |
11.79525 |
12.44994 |
13.09985 |
13.51992 |
13.80645 |
| 86.5 |
10.46949 |
10.6423 |
10.9193 |
11.41424 |
12.01692 |
12.68355 |
13.34691 |
13.77656 |
14.07003 |
| 87.5 |
10.66996 |
10.84467 |
11.12501 |
11.62678 |
12.23935 |
12.91906 |
13.59779 |
14.0387 |
14.34047 |
| 88.5 |
10.87145 |
11.0479 |
11.33138 |
11.83991 |
12.46282 |
13.15685 |
13.85303 |
14.30705 |
14.61861 |
| 89.5 |
11.07415 |
11.25218 |
11.53864 |
12.0539 |
12.68764 |
13.3973 |
14.11317 |
14.5823 |
14.90532 |
| 90.5 |
11.27826 |
11.45773 |
11.74703 |
12.26903 |
12.91413 |
13.64079 |
14.37871 |
14.86511 |
15.20138 |
| 91.5 |
11.48393 |
11.66476 |
11.95681 |
12.48563 |
13.14264 |
13.88771 |
14.65014 |
15.1561 |
15.50755 |
| 92.5 |
11.69135 |
11.87348 |
12.16825 |
12.70401 |
13.37354 |
14.13845 |
14.92791 |
15.45584 |
15.82453 |
| 93.5 |
11.90066 |
12.0841 |
12.38161 |
12.92454 |
13.60723 |
14.39342 |
15.21246 |
15.76484 |
16.15296 |
| 94.5 |
12.11201 |
12.2968 |
12.59718 |
13.14758 |
13.84412 |
14.65302 |
15.50421 |
16.08357 |
16.49337 |
| 95.5 |
12.32555 |
12.5118 |
12.81522 |
13.3735 |
14.08465 |
14.91769 |
15.80353 |
16.41242 |
16.84623 |
| 96.5 |
12.54142 |
12.72929 |
13.03602 |
13.60268 |
14.32925 |
15.18785 |
16.11078 |
16.75173 |
17.2119 |
| 97.5 |
12.75976 |
12.94946 |
13.25983 |
13.83551 |
14.57837 |
15.46392 |
16.42632 |
17.10178 |
17.59064 |
| 98.5 |
12.98073 |
13.17252 |
13.48694 |
14.07234 |
14.83246 |
15.74635 |
16.75044 |
17.46277 |
17.98258 |
| 99.5 |
13.20451 |
13.39868 |
13.71761 |
14.31354 |
15.09192 |
16.03553 |
17.08343 |
17.83483 |
18.38778 |
| 100.5 |
13.43129 |
13.62816 |
13.9521 |
14.55946 |
15.35716 |
16.33184 |
17.42553 |
18.21805 |
18.80615 |
| 101.5 |
13.66128 |
13.8612 |
14.1907 |
14.8104 |
15.62855 |
16.63564 |
17.77692 |
18.61241 |
19.23752 |
| 102.5 |
13.89473 |
14.09807 |
14.43368 |
15.06669 |
15.90641 |
16.94721 |
18.13775 |
19.01784 |
19.68159 |
| 103.5 |
14.13193 |
14.33903 |
14.68133 |
15.32861 |
16.19104 |
17.2668 |
18.50808 |
19.43416 |
20.13796 |
- Page last reviewed: August 23, 2001
- Page last updated: August 24, 2001
- Content source:
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