Pregnancy Weight Gain Calculator
Recommended weight gain by week using IOM guidance.
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Targets are from the Institute of Medicine for single pregnancies. Your care team may adjust them for twins or medical conditions.
Medical disclaimer: This tool is for education and is not medical advice. Read more.
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Healthy Weight Gain During Pregnancy
How much to gain depends on your pre-pregnancy BMI.
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Timing intercourse in the six days before and on ovulation boosts chances.
Frequently asked questions
What does the Pregnancy Weight Gain Calculator do?
Recommended weight gain by week using IOM guidance. Enter your values and the result and chart update instantly.
How accurate is it?
It uses published, widely used formulas. Results are estimates for education and planning, not a diagnosis. Talk to a qualified clinician about decisions affecting your health.
Is my information stored or shared?
No. All calculations run in your browser and nothing you type is sent to a server or saved.
What can I search to find this tool?
People find it by searching for: how much weight should i gain pregnant; pregnancy weight chart; healthy weight gain pregnancy.