Tools | Calculate your baby's length

The length of your baby is

How does it work?

Here you can calculate the approximate length of your baby on the base of his/her femur length registered at the moment of echography. Enter the value by clicking the numbers, then click the button "Calculate". This parameter is expressed in centimeters. You can compare it with the reference tables reporting the average weigth according to the baby's gender and your gestational week.

BABY LENGTH REFERENCE TABLES

WOMEN  
  3pc 10pc 50pc 90pc 97pc
26 week 30 30.7 33.7 36.8 37.5
27 week 31.5 32.2 35.2 38.2 39
28 week 33 33.8 36.7 39.7 40.5
29 week 34.4 35.3 38.2 41.1 41.9
30 week 35.8 36.7 39.6 42.5 43.4
31 week 37.2 38.2 41 43.9 44.8
32 week 38.5 39.5 42.3 45.2 46.1
33 week 39.8 40.8 43.6 46.4 47.4
34 week 41 42.1 44.8 47.6 48.7
35 week 42.1 43.2 46 48.7 49.8
36 week 43.1 44.3 47 49.7 50.8
37 week 44 45.3 47.9 50.5 51.8
38 week 44.8 46.1 48.7 51.3 52.6
39 week 45.5 46.8 49.4 52 53.3
40 week 46 47.4 49.9 52.5 53.8
41 week 46.4 47.8 50.3 52.8 54.2
42 week 46.6 48 50.5 53 54.4
43 week 46.6 48.1 50.6 53 54.5
MEN  
  3pc 10pc 50pc 90pc 97pc
26 week 30.4 31.1 34.2 37.2 37.9
27 week 31.9 32.7 35.7 38.7 39.4
28 week 33.4 34.2 37.2 40.1 40.9
29 week 34.9 35.7 38.7 41.6 42.4
30 week 36.4 37.2 40.1 43 43.9
31 week 37.7 38.7 41.6 44.4 45.3
32 week 39.1 40.1 42.9 45.7 46.7
33 week 40.4 41.4 44.2 47 48
34 week 41.6 42.7 45.5 48.2 49.3
35 week 42.8 43.9 46.6 49.3 50.5
36 week 43.8 45 47.7 50.4 51.5
37 week 44.8 46 48.6 51.3 52.5
38 week 45.6 46.8 49.5 52.1 53.3
39 week 46.3 47.6 50.2 52.7 54
40 week 46.8 48.2 50.7 53.3 54.6
41 week 47.2 48.6 51.1 53.6 55
42 week 47.5 48.9 51.4 53.9 55.3
43 week 47.5 49 51.5 53.9 55.4