Compare calculators
Both calculators run independently β change the inputs on either side to compare results.
Pregnancy
Pregnancy Weight Gain Calculator
Estimates how much weight you should have gained by a given week of pregnancy based on your pre-pregnancy BMI, using IOM-aligned weekly rates. Use it to check whether your current gain is on pace with clinical guidelines.
Fill in the required fields to see your result.
Pregnancy
Pregnancy Body Changes Calculator
Track how your waist measurement is expected to expand week by week during pregnancy. Helpful for planning maternity clothing and monitoring abdominal growth against typical patterns.
Fill in the required fields to see your result.
Key differences
| Pregnancy Weight Gain Calculator | Pregnancy Body Changes Calculator | |
|---|---|---|
| Category | Pregnancy | Pregnancy |
| Inputs required | 3 | 2 |
| Result | Recommended weight gain (kg) | Expected waist measurement (cm) |
| What it does | Estimates how much weight you should have gained by a given week of pregnancy based on your pre-pregnancy BMI, using IOM-aligned weekly rates. Use it to check whether your current gain is on pace with clinical guidelines. | Track how your waist measurement is expected to expand week by week during pregnancy. Helpful for planning maternity clothing and monitoring abdominal growth against typical patterns. |