Pregnancy Weight Gain Calculator

Calculate recommended weight gain during pregnancy based on BMI.

Recommended Total Gain
11.5 – 16 kg
BMI Category
Normal (BMI 18.5–24.9)
Estimated Gain So Far
5.6 kg
Healthy Target Weight
71.5 kg
Weekly Rate (2nd/3rd tri)
0.52 kg/week
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What is Pregnancy Weight Gain Calculator?

A pregnancy weight gain calculator shows the recommended weight gain range for your pregnancy based on your pre-pregnancy BMI.

Gaining the right amount supports the baby's development while minimizing complications.

How does the Pregnancy Weight Gain Calculator work?

Recommended Gain by BMI: Underweight 12.5-18 kg | Normal 11.5-16 kg | Overweight 7-11.5 kg | Obese 5-9 kg

The calculator uses your pre-pregnancy BMI to determine the recommended total gain.

It also shows the typical gain per trimester.

How to use the Pregnancy Weight Gain Calculator?

  1. Enter your pre-pregnancy weight and height.
  2. Enter your current pregnancy week and weight.
  3. The calculator shows your recommended gain range and current progress.

Example

Try the calculator with your own numbers

  1. Enter your values in the input fields above.
  2. Adjust the values to match your situation.
  3. The result updates instantly as you change the inputs.
Your result appears instantly — no manual calculation needed.

Benefits of using the Pregnancy Weight Gain Calculator

  • Track healthy weight gain during pregnancy.
  • Identify if you're gaining too fast or too slowly.
  • Support a healthy pregnancy outcome.

Who should use the Pregnancy Weight Gain Calculator?

  • People tracking their weight, fitness, and daily health numbers.
  • Fitness enthusiasts planning workouts, calories, and protein intake.
  • Parents monitoring their child's growth and development.
  • Anyone preparing for a health check-up or fitness goal.

Tips for getting the most out of the Pregnancy Weight Gain Calculator

  • Use your most recent measurements for the most accurate result.
  • Re-check periodically as your weight, age, or activity level changes.
  • Treat the result as a guideline, not a medical diagnosis — consult a professional for health decisions.

Frequently Asked Questions

How much weight should I gain in the first trimester?

Typically 1-2 kg total in the first trimester, with most gain happening in the second and third trimesters.

What if I gain more than recommended?

Don't diet during pregnancy. Focus on nutritious food and gentle activity, and discuss concerns with your doctor.

Small daily decisions add up. Use this calculator to track your numbers and make healthier choices with confidence.

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