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Pregnancy Weight Calculator

How much weight you should gain during pregnancy depends on your pre-pregnancy body mass index (BMI) and how many babies you are carrying. Use this calculator to find out which BMI category you are in and calculate your target weight range for your pregnancy.
Enter your pre-pregnancy weight and height:
(This is used to calculate your pre-pregnancy Body Mass Index)

Weight: pounds
Height: feet    inches

Community Comments (71)

Comment from Caroline_2022 » Posted Dec. 2, 2016 6:34pm
I am 25 weeks pregnant with girl twins and I am suppose to gain 37-54 pounds in the end. So that means my weight could be from 147-164 at the end of the pregnancy.

Comment from Moobooloo3 » Posted Sep. 20, 2016 1:13pm
25 weeks with twins and gained 21lb it says 25 to 42lb is ideal so far Iam on track which is great as I am over weight as it is.

Comment from gemini61 » Posted Jan. 16, 2016 7:27am
Up 6 lb at 18 weeks...hoping to gain a pound a week going forward and nothing more! Gained way too much with my son!

Comment from Miraclex3 » Posted Dec. 28, 2015 8:24pm
It says I should gain 15 to 25 since I'm overweight.

Comment from HanaLuW » Posted May. 6, 2015 6:13am
28-40lbs.... It's taken me three years to put on 14lbs and keep it there... better just focus on the 28lbs or I'll just irritate myself!

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