Pregnancy Calculator

To calculate all data about your pregnancy, enter the 1st day of your last menstrual cycle.

Days passed: 112
Days remained: 168
Week: 16
Calculated date of birth: after 24 weeks

16 weeks pregnant
Length: 13.5 sm
Weight: 158 gr

Your uterus expands, giving the space a growing fetus in the placenta. At this stage amount of amniotic fluid is about 250 ml. Child already knows how to open mouth, grimace. Baby listens to your heartbeat and will listen for you pulse during all the intrauterine life. Try not to worry – it will upset your child. It feels and understands you like no one do. It’s a small Great Love!

Select the week of pregnancy to see more information


Normal Pregnancy lasts about 40 weeks since the 1st day of your last menstrual cycle. Have you been already confused? Forget about calculations in your mind and notes in diaries – use our pregnancy calculator to find out the date of birth of your baby.

Using the Pregnancy Calculator helps to calculate the probable conception date, to estimate how long have you been pregnant, to know the fetal age and much more.

All you need is to enter the date of your last menstrual cycle and the amount of menstrual days in the data field, and push the button. On average a menstrual period lasts during 28 days, but it can differ from 22 to 44 days.