Free Pregnancy Weight Gain Calculator - Healthy Range
Calculate recommended pregnancy weight gain based on your pre-pregnancy BMI. Track progress by trimester.
Quick Answer
Recommended pregnancy weight gain depends on pre-pregnancy BMI. Normal BMI: gain 25-35 lbs. Underweight: 28-40 lbs. Overweight: 15-25 lbs. Obese: 11-20 lbs. Most gain occurs in 2nd and 3rd trimesters.
Key Facts about Pregnancy Weight Gain Calculator:
- Weight gain based on pre-pregnancy BMI
- Normal BMI: gain 25-35 lbs total
- Little gain in first trimester (1-4 lbs)
- About 1 lb/week in 2nd and 3rd trimesters
- Twins: add 10-15 lbs to recommendations
- Excessive gain increases complications
Why Use Our Pregnancy Weight Gain Calculator?
Weight tracking:
Gain Calculator
Recommended total gain.
BMI Based
Personalized recommendations.
Trimester Goals
Week-by-week targets.
Progress Tracking
Am I on track?
Instant Results
Get recommendations immediately.
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Your data stays secure.
How to Pregnancy Weight Gain Calculator in 3 Easy Steps
Track weight gain:
Enter Pre-Pregnancy Info
Height, weight, BMI.
Add Current Status
Current week and weight.
View Recommendations
See gain goals and progress.
Why Use Our Calculator?
BMI-personalized
Trimester breakdown
Progress tracking
Health guidelines
Common Use Cases for Pregnancy Weight Gain Calculator
Perfect for:
Frequently Asked Questions
Everything you need to know about our pregnancy weight gain calculator
How much weight should I gain pregnant?
Normal BMI: 25-35 lbs. Varies by starting weight.
Depends on pre-pregnancy BMI. Normal BMI: 25-35 lbs. Underweight: 28-40 lbs. Overweight: 15-25 lbs. Obese: 11-20 lbs.
When does most weight gain occur?
2nd and 3rd trimesters. About 1 lb/week after first trimester.
Most gain in 2nd and 3rd trimesters (~1 lb/week). First trimester: only 1-4 lbs typically. Some women lose weight initially due to nausea.
Still have questions? Try the tool yourself!
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