Pregnancy Weight Gain Calculator
Compare current pregnancy weight gain with broad BMI-based guideline ranges.
This page is an editable estimator with realistic defaults so you can model your own situation in minutes.
Recommended total pregnancy weight gain is selected from pre-pregnancy BMI category, then compared with current gain and week.
Treat the result as a planning estimate and verify important numbers with the relevant official source before acting.
| Pre-pregnancy BMI | 23.3 | |
|---|---|---|
| Pregnancy week | 24 |
Assumptions
- CDC pregnancy weight gain ranges are based on pre-pregnancy BMI.
- This simple estimate assumes singleton pregnancy and does not replace prenatal care.
How this calculator works
Formula used
Recommended total pregnancy weight gain is selected from pre-pregnancy BMI category, then compared with current gain and week.
Example calculation
Plug in your own numbers and the result updates instantly. Recommended total pregnancy weight gain is selected from pre-pregnancy BMI category, then compared with current gain and week.
Pregnancy Weight Gain Calculator FAQ
Is this pregnancy weight gain calculator medical advice?
No. It is an educational estimate only and does not replace an OB-GYN, midwife, fertility specialist, pediatric clinician, or emergency care.
Why might my actual dates or recommendations differ?
Cycle length, ovulation timing, ultrasound dating, implantation timing, multiples, medical history, and clinician judgment can change pregnancy and fertility estimates.
Should I confirm results with a clinician?
Yes. Confirm pregnancy dating, weight gain, cycle concerns, fertility timing, or health decisions with a qualified healthcare professional.