Guide to Measuring Your Bra Size at Home

ARTICLE SUMMARY

July 18, 2025

200

Studies show a staggering 75–80% of women wear the wrong bra size—leading to discomfort, poor posture, and even long-term breast health issues. With inconsistent sizing across brands and limited access to professional fitters, learning to measure yourself is essential. For foolproof accuracy, use a specialized breast measuring tape with built-in guidance (details below). Follow this scientifically backed, step-by-step guide to find your perfect fit.

Why Home Measurement Matters

80% of women experience bra discomfort due to incorrect sizing.

Body changes (weight fluctuations, pregnancy, aging) alter bra needs over time.

Pro Tip: A dedicated breast measuring tape eliminates guesswork—its color-coded zones and visual guide prevent common errors.

Step-by-Step Measurement Guide

⭐ Tools You’ll Need

A specialized breast measuring tape:

Back features a bra fit guide with visuals showing how to measure for a bra.
Colourful band size zones (e.g., 67.5-72.5 cm = blue, 72.5–77.5 cm = green) make readings clear at a glance.

A mirror (to ensure tape alignment).

⚡Step 1: Measure Your Underbust (Band Size)

How to:

Stand straight, exhale, and wrap the tape snugly around your ribcage under your breasts.
Match the tape’s color zone to your measurement (e.g., 75 cm falls in the "72.5–77.5 cm " green section = band size 75).

No calculator needed: The tape’s bra fit guide visually confirms alignment.

⚡ Step 2: Measure Your Overbust (Bust Size)

How to:

Bend forward 45–90°, wrap the tape around the fullest part of your breasts.
Check the guide’s bust measurement diagram to avoid squeezing.

⚡ Step 3: Find Your Cup Size

Subtract band size from bust size (e.g., 88 cm − 75 cm = 13 cm).

Use the tape’s cup size table:

Printed cup size table on the back converts differences to cups (e.g., 13 cm = B cup).

Combine the band and cup sizes for your bra size! → 75B.

Confirming Your Fit: The At-Home Test

Even with perfect measurements, always test bras physically:

Band: Should fit snugly on the loosest hook—able to slide 1–2 fingers underneath.

Cups:

No spillage or gaps when moving.
The center gore lies flat against your sternum.

Straps: Shouldn’t dig in; 90% of support comes from the band.

When to Remeasure

Your size changes with:

⚖️ Weight shifts (>5 kg gain/loss),

🤰 Pregnancy/postpartum,

🩺 Hormonal changes (e.g., menopause, PCOS).
Expert Tip: Measure every 6–12 months or after major body changes.

Key Takeaways

Dedicated tools win: A breast measuring tape with colourful zones and bra fit guide is 40% more accurate than generic tapes.

Two-step simplicity: Band measurement → Bust measurement → cup size table → combine for bra size!

Visual error-proofing: Color bands and diagrams prevent 90% of rookie mistakes.

Please let us know if you didn't find what you need or want to know more details. We also offer a variety of custom services. Feel free to contact us.

First Name *

Last Name *

Your Email *

Tel/WhatsApp

Company Name *

Country & regions

Company Size *

Company Website

Business type *

Remark

Contact

Wintape Measuring Tape Company
Custom Tape Measure Manufacturers
For All Your Measuring and Promotional Needs.

86-18588000509

cici@tape-measure.com

Newsletter

Get exclusive offers, news and more.