Pregnancy Weight Gain Calculator
Calculate your recommended pregnancy weight gain based on pre-pregnancy BMI using IOM guidelines. Track if you're on target for a healthy pregnancy.
Medical Disclaimer
This calculator is for informational and educational purposes only. It is not a substitute for professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider before making decisions about your health. Never disregard professional medical advice or delay seeking it because of results from this tool.
Inputs
Results
Weight Gain Status
On track
How to Use This Calculator
- Enter Pre-Pregnancy Weight, Height (feet), and Height (inches).
- Set Current Week of Pregnancy and Current Weight.
- Review the Weight Gain Status result.
- Use Current Weight Gain (lbs) and Pre-Pregnancy BMI to inform your decision.
- Use the chart to visualize the results and explore different scenarios by adjusting inputs.
What each input means
- Pre-Pregnancy Weight
- Your weight before becoming pregnant.
- Height (feet)
- Height in feet.
- Height (inches)
- Additional inches beyond feet.
- Current Week of Pregnancy
- How many weeks pregnant are you?
- Current Weight
- Your current weight.
How this is calculated
Worked example, using the default values
- Identify Input Parameters4 parametersPre-Pregnancy Weight = 140, Height (feet) = 5, Height (inches) = 5, Current Week of Pregnancy = 20 = 5 input(s) provided
- Calculate Weight Gain StatusOn track = On track
- Calculate Current Weight GainCurrent Weight Gain10 = 10
- Calculate Pre-Pregnancy BMIPre-Pregnancy BMI23.3 = 23.3
Engine last updated . Checked against 2 independently-derived tests — how we verify calculators.
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