Quick Answer
You should avoid measuring bra size in a padded, push-up, or heavily molded bra. A lightly padded bra may be acceptable only for a rough estimate if it does not add volume or push tissue upward.
For the standard method, use the standard bra size measuring method as your main reference.
When This Method Makes Sense
- You only have a lightly lined everyday bra available.
- The bra does not push tissue up, inward, or outward.
- You plan to remeasure with a better method before relying on the result.
Step-by-Step Instructions
- Check whether the bra is padded, molded, push-up, or heavily structured.
- If it adds shape or volume, change to no bra or a thin non-padded bra.
- If it is only lightly lined, measure underbust first with the band level.
- Measure bust at the fullest part without pressing the tape into the cups.
- Use the result as an estimate and confirm with fit checks.
Mistakes to Avoid
- Measuring in a push-up bra.
- Measuring over thick molded cups.
- Assuming the padded-bra bust number equals natural bust circumference.
- Buying several bras from a padded-bra estimate without checking fit.
When to Use the Calculator
Use calculator results from a padded-bra measurement cautiously. If the suggested cup feels too large, remeasure without padding before changing sizes.
Open the bra size calculator after you have both your band and bust measurements.
Frequently Asked Questions
Will a padded bra make my cup size look bigger?
It can. Padding and push-up structure may increase the bust measurement, which can increase the bust-band difference used to estimate cup size.
Is a lightly lined bra the same as a padded bra?
Not always. A thin lining that does not add volume is less likely to distort the result, but molded or push-up padding can change the measurement.
What should I wear instead?
Wear no bra if comfortable, or choose a very thin non-padded bra that supports without adding cup volume.