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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 fbodyvixen » Posted Jul. 28, 2013 1:13pm
I fall into the obese category. Was 5'3 135lbs when I got pregnant with my first and went all the way up to 180. After my daughter was born I got down to 150, but over 7 years gained back weight and started this pregnancy off at 173. I'm 26 weeks today and only weight 180. I feel like only 7lbs, even for someone labeled "obese", is not much at all. I've been worried, but the doctor never says anything about my weight, so I can only assume everything is fine.

Comment from BabyLemons » Posted Jul. 22, 2013 1:47am
If you're in the overweight or obese categories, I believe you have to adjust your weight gain. 1st trimester should be low to no gain (possible when you eat right that you loose fat but baby grows). 2nd trimester would probably be 1/2 lbs a week (still very safe for those who are overweight or obese) and 1 lbs a week the last trimester. This would equal out to around 18 lbs total gain.

Comment from josamarie » Posted Jul. 19, 2013 10:30am
Also, it doesn't make sense... if you are supposed to gain a pound a week in trimesters 15-40, that's 26 pounds in an of itself... so if you are even the slightest bit overweight (my BMI is 25, half a pound less and it'd be "normal") you have to LOSE 1-11 pounds in the first trimester to make the overall weight gain stay on track. That seems silly :(

Comment from josamarie » Posted Jul. 19, 2013 10:25am
I hate BMI calculators, they don't take other factors into account... it always says I'm 5 pounds overweight, but doesn't factor in that I'm a DD, so honestly that's all in the boobs! Doc says he's happy with where I started, that's what matters to me!

Comment from leowife7806 » Posted Jul. 4, 2013 4:25pm
Looks like my BMI with my height and weight is normal. Thank goodness! So no more than 25-35lbs for me! lol Yeah right! This is baby #3 for me and with my 2nd I put on over 50lbs!


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