Bra Size Calculator for Maternity Bras – Get the Perfect Fit During Pregnancy

Pregnancy is an exciting journey, but it also brings many changes to your body. One of those changes is an increase in bust size. Our Bra Size Calculator for Maternity Bras helps expecting mothers find the perfect maternity bra size for ultimate comfort, support, and confidence. 🤰💖

Bra Size Calculator for Maternity Bras
Maternity Bra Size Calculator
Reviewed by Dr. Anjali Mehra, MD – Expert in Women’s Health
Last reviewed: July 2025

Why Maternity Bra Size is Important

  • Comfort: Maternity bras are designed to offer maximum comfort as your body goes through changes. The right fit prevents chafing and discomfort. 😌
  • Support: As your bust size increases during pregnancy, the right maternity bra provides essential support for your growing body, minimizing back pain. 💪
  • Health: Wearing the wrong bra size can lead to poor circulation, muscle strain, and back issues. Proper sizing is essential for maintaining good health. 💖

How the Maternity Bra Size Calculator Works

  • Step 1: Measure Your Bust and Underbust 📏
    Use a soft measuring tape to measure around the fullest part of your bust and just below your bust (underbust). 💡 Tip: Ensure the measuring tape is snug but not tight, and is level across your back.
  • Step 2: Enter Your Measurements 🔢
    Input your bust and underbust measurements into the Maternity Bra Size Calculator.
  • Step 3: Click “Calculate” 🖱️
    Once you have entered your measurements, click “Calculate”, and the tool will provide your maternity bra size instantly.

Why the Maternity Bra Size Calculator is Perfect for Expecting Mothers

  • Tailored for Pregnancy: The Maternity Bra Size Calculator is designed to help you find the best fit as your body changes throughout your pregnancy. 🤰
  • Accurate and Reliable: Whether you prefer inches or centimeters, the calculator provides the most accurate results based on your measurements. 📏
  • Comfort and Support: The right size ensures comfort and gives your bust the support it needs as you go through pregnancy and after childbirth. 💖


“Use the Maternity Bra Size Calculator today to find the perfect fit and enjoy a comfortable, supportive pregnancy!” 😊
Ensure that your maternity bra provides the support and comfort you need as your body changes.

Bra Size Calculators


FAQ – Frequently Asked Questions

Measure your bust and underbust using a soft measuring tape, input your measurements into the calculator, and click “Calculate” to get your maternity bra size.

Yes, the Maternity Bra Size Calculator can also be helpful after pregnancy, especially when you’re transitioning to post-pregnancy bras or need a nursing bra.

The Maternity Bra Size Calculator uses precise measurements for accurate sizing, ensuring the best fit for your changing body during pregnancy.

Double-check your measurements and make sure they were entered correctly. If the size is still uncomfortable, consider visiting a professional fitter for more personalized assistance.