Bra Size Calculator
Bra Size Calculator Guide
Finding the right bra size is important for comfort, support, posture, and confidence. At ShopbopOnline.pk, we want every woman to find the perfect fit with ease.
Use the simple guide below to calculate your bra size accurately at home.
Step 1: Measure Your Band Size
Wrap a measuring tape firmly around your ribcage, directly under your bust.
Make sure:
- The tape is straight and level
- It fits snugly but not too tight
- Measurements are taken in inches
Band Size Chart
| Under Bust Measurement | Band Size |
|---|---|
| 26–27 inches | 32 |
| 28–29 inches | 34 |
| 30–31 inches | 36 |
| 32–33 inches | 38 |
| 34–35 inches | 40 |
| 36–37 inches | 42 |
| 38–39 inches | 44 |
Step 2: Measure Your Bust Size
Measure around the fullest part of your bust while wearing a non-padded bra.
Keep the measuring tape:
- Relaxed, not tight
- Parallel to the ground
- Comfortable around the chest
Step 3: Calculate Your Cup Size
Subtract your band measurement from your bust measurement.
Cup Size Guide
| Difference (Bust - Band) | Cup Size |
|---|---|
| 1 inch | A Cup |
| 2 inches | B Cup |
| 3 inches | C Cup |
| 4 inches | D Cup |
| 5 inches | DD/E Cup |
| 6 inches | F Cup |
Example Calculation
If:
- Under bust = 30 inches
- Bust size = 33 inches
Difference = 3 inches
Your estimated bra size would be:
36C
Bra Fit Tips
A properly fitted bra should:
- Sit straight across the back
- Feel snug without discomfort
- Keep straps comfortably secure
- Fully support the bust without gaps or overflow
Signs your bra size may be incorrect:
- Shoulder pain from straps
- Back band riding up
- Cups digging into skin
- Breast spillage or loose cups
Sister Sizes Guide
Sometimes trying a sister size gives a better fit.
| Current Size | Sister Size Down | Sister Size Up |
|---|---|---|
| 34B | 32C | 36A |
| 36C | 34D | 38B |
| 38D | 36DD | 40C |
Need Help Choosing the Right Size?
At ShopbopOnline.pk, our support team can help you choose the correct bra size, shapewear fit, and comfortable innerwear based on your body type and preferences.
You can contact us through:
- WhatsApp Support
- Social Media Pages
- Website Contact Form