Reading Time: 7–8 Minutes
Reviewed by: Her Store Fit & Style Experts
Last Updated: July 2026
Key Takeaways
- Around 80% of women are believed to wear the wrong bra size.
- Measuring your bra size at home only takes about five minutes.
- You only need a soft measuring tape, a mirror, and a non-padded bra.
- A well-fitting bra provides better comfort, support, posture, and confidence.
- Your bra size may change due to weight changes, pregnancy, breastfeeding, age, or hormonal changes.
- It's recommended to measure your bra size every 6–12 months.
Introduction
A bra is one of the most important pieces of clothing in every woman's wardrobe. Yet many women continue wearing the wrong bra size without even realising it. An ill-fitting bra can cause discomfort, shoulder pain, poor posture, skin irritation, and a lack of proper support throughout the day.
The good news is that finding your correct bra size doesn't require a professional fitting. With a soft measuring tape and just a few minutes at home, you can accurately measure yourself and shop with confidence.
This step-by-step guide will help you measure your bra size correctly and understand what makes the perfect fit.
Why This Topic Matters
Wearing the correct bra size is about much more than appearance. The right bra supports your body, improves comfort, and helps you feel confident every day.
Benefits of wearing the correct bra include:
- Better breast support
- Improved posture
- Reduced neck, shoulder, and back pain
- Increased comfort throughout the day
- Better-fitting clothes
- Less strain on bra straps
- Improved confidence
Whether you're buying an everyday bra, sports bra, nursing bra, or special occasion lingerie, knowing your correct size is the first step to making the right choice.
What You'll Need
Before you begin, make sure you have:
- A soft measuring tape
- A mirror
- A lightly lined or non-padded bra
- A pen and paper or your phone to record measurements
Avoid measuring while wearing a padded or push-up bra, as it can affect the accuracy of your measurements.

Step 1: Measure Your Underbust
Stand upright with your arms relaxed at your sides.
Wrap the measuring tape around your ribcage, directly underneath your bust.
Make sure the tape is:
- Firm but not tight
- Parallel to the floor
- Straight all the way around
Record this measurement.
This measurement determines your band size.
Step 2: Measure Your Bust
Now measure around the fullest part of your bust.
Keep the measuring tape:
- Straight across your back
- Parallel to the floor
- Comfortable without pulling tightly
Record this measurement.
Step 3: Calculate Your Cup Size
Subtract your underbust measurement from your bust measurement.
For example:
Bust Measurement: 94 cm
Underbust Measurement: 79 cm
Difference: 15 cm
The difference between these two measurements determines your cup size.
Use your preferred bra size chart to identify the corresponding cup.
Step 4: Find Your Bra Size
Combine your band size and cup size.
Example:
Band Size: 80
Cup Size: C
Your bra size is:
80C
Remember that sizing can vary slightly between different brands and bra styles, so always try the bra on whenever possible.
How Should a Bra Fit?
A properly fitted bra should:
- Sit level across your back.
- Stay comfortably in place without riding up.
- Fully contain your breast tissue.
- Have straps that stay comfortably on your shoulders without digging in.
- Sit flat against your chest between the cups.
- Feel supportive without feeling tight or restrictive.
You should be able to wear your bra comfortably all day without constantly adjusting it.
Signs You're Wearing the Wrong Bra Size
You may be wearing the wrong size if you notice any of the following:
- Bra straps keep slipping off your shoulders.
- The band rides up at the back.
- Breast tissue spills over the top or sides of the cups.
- Cups wrinkle or gape.
- Underwires dig into your skin.
- Red marks remain after removing your bra.
- You frequently adjust your bra during the day.
- You experience shoulder, neck, or back pain.
If you experience any of these issues, it's time to measure your bra size again.
Her Store Expert Tips
Measure Yourself Every 6–12 Months
Your body naturally changes over time. Regular measurements help ensure the best fit.
Measure Before Buying New Bras
Don't assume your previous size is still correct. Always check before purchasing new bras.
Replace Worn-Out Bras
Even high-quality bras lose their support over time. Depending on usage, replacing your everyday bras every 6–12 months can help maintain comfort and support.
Different Styles Fit Differently
The same size may fit differently across various bra styles such as:
- T-Shirt Bras
- Sports Bras
- Full Coverage Bras
- Balcony Bras
- Nursing Bras
- Non-Wired Bras
Always choose the style that best suits your body shape and lifestyle.
Common Mistakes to Avoid
Avoid these common measuring mistakes:
- Measuring over thick clothing
- Wearing a padded bra while measuring
- Pulling the tape too tightly
- Holding your breath while measuring
- Measuring with the tape at an angle
- Guessing your size without measuring
- Ignoring body changes after pregnancy or weight changes
- Buying based only on cup size
Taking accurate measurements makes shopping much easier and more enjoyable.
Buying Guide
Now that you know your correct size, choosing the right bra becomes much easier.
Everyday Bra
Designed for everyday comfort and reliable support.
T-Shirt Bra
Perfect for wearing under fitted clothing with a smooth, seamless finish.
Sports Bra
Provides additional support during walking, running, gym workouts, yoga, and other physical activities.
Nursing Bra
Designed for breastfeeding mothers with convenient access and extra comfort.
Full Coverage Bra
Ideal for women looking for maximum support and coverage throughout the day.
Non-Wired Bra
Offers gentle support and exceptional comfort for everyday wear.
Choose the style that best matches your daily activities and personal preferences.
Product Recommendations from Her Store
Once you've found your correct bra size, explore Her Store's carefully selected range of bras designed for comfort, quality, and confidence.
Our collection includes:
- Everyday Comfort Bras
- T-Shirt Bras
- Full Coverage Bras
- Sports Bras
- Nursing Bras
- Non-Wired Bras
- Seamless Bras
- Cotton Bras
- Lightly Padded Bras
- Shaping Bras
Visit your nearest Her Store or browse our online collection to discover the perfect fit for your lifestyle.
Frequently Asked Questions
How often should I measure my bra size?
It's recommended to measure every 6–12 months or whenever your body changes due to weight fluctuations, pregnancy, breastfeeding, or hormonal changes.
Can my bra size change over time?
Yes. Weight changes, pregnancy, breastfeeding, ageing, exercise, and hormonal changes can all affect your bra size.
Should I measure in centimetres or inches?
Either works, but centimetres are commonly used in India.
What if I'm between two sizes?
Try both sizes and choose the one that feels the most comfortable while providing the best support.
Why do different brands fit differently?
Each brand uses slightly different sizing, cup shapes, and materials. Trying the bra before purchasing is always recommended when possible.
Can I measure myself without anyone's help?
Yes. A mirror and a soft measuring tape are all you need to accurately measure yourself at home.
Conclusion
Knowing your correct bra size is one of the easiest ways to improve your everyday comfort, support, and confidence. Taking just a few minutes to measure yourself at home can make a significant difference in how your bras fit and feel.
A properly fitted bra not only supports your body but also helps your clothes fit better and allows you to move comfortably throughout your day. Remember to measure yourself regularly and choose bras that suit your lifestyle, body shape, and personal comfort.
Your perfect fit starts with the right measurements.
Find Your Perfect Fit at Her Store
At Her Store, we believe every woman deserves comfort, confidence, and the perfect fit.
Whether you're looking for an everyday bra, a supportive sports bra, a nursing bra, or a stylish special occasion bra, our carefully selected collection offers something for every woman.
Visit your nearest Her Store or shop online to discover bras designed to support you every step of the way.