Pregnancy Weight Gain Calculator
Calculate recommended pregnancy weight gain by week based on pre-pregnancy BMI.
Recommended Total Gain
25-35 lbs
Expected Gain by Now
8.9-12.5 lbs
Remaining to Gain
12.5-26.1 lbs
Pregnancy Weight Gain Details
| Pre-Pregnancy BMI | 23.3 |
| BMI Category | Normal |
| Pregnancy Type | Singleton |
| Weekly Rate Recommendation | 0.63-1.30 lbs/week |
| 1st Trimester (weeks 1-12) | 2.5-3.5 lbs |
| 2nd Trimester (weeks 13-26) | 11.3-15.8 lbs |
| 3rd Trimester (weeks 27-40) | 11.3-15.8 lbs |
Based on IOM (Institute of Medicine) guidelines. Consult your healthcare provider for personalized advice.
Use the Pregnancy Weight Gain Calculator above to calculate your results. Enter your values and see instant results — all calculations run in your browser.
Disclaimer: This calculator is for informational purposes only and does not constitute tax, financial, or legal advice. Results are estimates based on the information you provide and current rates. Always consult a qualified tax professional or financial advisor for advice specific to your situation.
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