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Pregnancy Weight Gain Calculator

Recommended gain by BMI.

Pregnancy weight gain

Pre-pregnancy BMI
23.3
Total gain recommended
25–35 lb
Expected at wk 20
9.4–12.0 lb

About the Pregnancy Weight Gain Calculator

MethodologyHome

Recommended gain by BMI. Use this free pregnancy weight gain calculator to get instant results. All calculations run in your browser — nothing is sent to a server.

Frequently asked questions

What does this Pregnancy Weight Gain Calculator do?

Recommended gain by BMI.

Is it free?

Yes — every calculator on Calcly is free, with no sign-up or account required.

Does it work offline?

The site is a Progressive Web App — after your first visit, most pages work without an internet connection.