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Pregnancy BMI Calculator

kg
cm

Result

Calculated result Ready Change any value to calculate instantly.
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Pregnancy BMI Calculator BMI calculator during pregnancy. BMI = weight(kg) ÷ height(m)². — free online calculator.

Formula

BMI = weight (kg) ÷ [height (m)]²
  • Pregnancy BMI Calculator uses the standard BMI arithmetic from weight and height. BMI during pregnancy should be interpreted with pregnancy-specific clinical guidance.
  • The main inputs are Weight, Height. Enter them in the units and format shown in the calculator.
  • Use the measurement units shown beside each field. The result is an estimate and should be interpreted in context.
  • Changing any input above recalculates the result with the same calculation engine used by this page.

Example: Pregnancy BMI

Inputs
  • Weight: 70 kg
  • Height: 175 cm

For 70 kg and 175 cm, BMI ≈ 22.86.

Sample result: Calculating…

Frequently asked questions

What does the Pregnancy BMI calculate?

Pregnancy BMI Calculator BMI calculator during pregnancy. BMI = weight(kg) ÷ height(m)². — free online calculator.

Which values should I enter?

Enter Weight, Height using the units and format shown beside each field.

What formula does this calculator use?

The calculator uses the following relationship: BMI = weight (kg) ÷ [height (m)]².

Why might my result differ from another source?

Results can differ because measurement methods, rounding and assumptions vary. This calculator is an estimate and is not a medical diagnosis.

Does the result update automatically?

Yes. Changing an input updates the result using the same calculation engine shown on this page.

Page information

Updated: October 7, 2026