Bras N Things Bra Size Guide & ConverterAU/NZ sizing with supportive wings, convertible straps, and curve-aware cuts.
Convert into Bras N Things's AU-labelled bands with guidance on UK cup letters, sports-led support, and curve-friendly fits.
Bras N Things size snapshot
Sizing system
Australian/New Zealand bands use even numbers (8–24) aligned to UK cup lettering.
Band range
10–22 AU fashion focus
Cup range
A–G
Best for
Bras N Things supports curve and plus-size shoppers with extended bands, reinforced wings, and sister-friendly cup ranges.
- Bras N Things bands run close to measured size with moderate stretch for everyday wear.
- Bras N Things cups balance average projection with rounded silhouettes that suit a wide range of shapes.
- Bras N Things designs prioritize lift with laminated fabrics, strategic seams, and wider straps for secure support.
Convert your size into Bras N Things
Pick the brand and size you already wear. We pre-selected Bras N Things on the right so you can see the equivalent in one click.
Convert to Bras N Things
Size Guide
Enter your current bra size and select the brands you want to convert between. The converter will help you find your equivalent size in different brands.
Tips for Best Results:
- Enter your size exactly as it appears on your current bra
- Make sure to select both the source and target brands
- Different brands may have slightly different sizing standards
- Always try on bras when possible for the best fit
Fit callouts worth noting
Bands fit close to measured size
Most Bras N Things bands align with tape measurements, offering a moderate hug without sharp stretch.
Try this:
Begin with your measured band; add the neighbor size if you fluctuate or prefer more or less tension.
Cups follow average depth
Bras N Things cups balance coverage and projection, suiting most shapes once the band feels secure.
Try this:
Stick to your known cup, adjusting only if style-specific feedback suggests otherwise.
Support-focused details add stability
Bras N Things builds in inner slings, side boning, and reinforced straps that change how the bra lifts.
Try this:
Adjust straps slowly and ensure the inner sling sits flush; swap cup size only if tissue is wrinkling or compressing.
Try-on strategy playbook
Dial in your baseline size
- Run the ABTF calculator or your trusted measurement routine first so the converter starts from fresh numbers.
- Keep your most reliable bra size handy; the converter maps it directly into Bras N Things sizing.
- Note the style you are targeting (plunge, balconette, wireless) so you can sanity-check the fit advice below.
Check band tension once clasped
- Start with your measured band and assess comfort on the loosest hook.
- If you fluctuate between sizes, add the adjacent sister size so you can fine-tune stretch vs. security.
- Use easy return windows to compare band tension across at least two sizes before committing.
Leverage built-in support elements
- Position inner slings and side panels smoothly before clasping.
- Adjust straps incrementally; supportive bras respond quickly to small strap changes.
- If boning digs when seated, compare with the sister size up or a softer cut.
Keep exploring
How to Measure Your Bra Size at Home
Step-by-step measuring tips before you add new pieces to your drawer.
Read moreFit Check Wizard
Troubleshoot gaping, spillover, or band riding in minutes with guided diagnostics.
Read moreSister Size Explorer
See every sister size combination when you need extra breathing room or cup depth.
Read moreKeyword prompts people use
Use or monitor these search phrases when you are researching Bras N Things sizing. They surface comparison guides, calculators, and real shopper feedback.
Refresh your measurements
Accurate numbers keep your converter results honest. Grab a soft tape and follow the pro guide below before you submit that cart.
Professional Bra Measurement Guide
Essential Tools for Accurate Measurement
Required Equipment
- Soft measuring tape (preferably in inches)
- Non-padded bra or no bra
- Full-length mirror
- Notepad for recording measurements
Measurement Preparation
- Stand straight with shoulders relaxed
- Wear a non-padded bra or no bra
- Ensure the measuring tape is parallel to the floor
- Take measurements in a well-lit room
Step-by-Step Measurement Guide
Band Size Measurement
- Measure under your bust, where the bra band sits
- Keep the tape snug but not tight
- Ensure the tape is parallel to the floor
- Round to the nearest even number
Bust Size Measurement
- Measure around the fullest part of your bust
- Keep the tape parallel to the floor
- Don't pull the tape too tight
- Record the measurement in inches
Cup Size Calculation
- Subtract band size from bust measurement
- Use the difference to determine cup size
- Each inch difference represents one cup size
- Example: 1" = A, 2" = B, 3" = C, etc.
Professional Tips for Accurate Results
Common Measurement Mistakes
- Measuring over a padded bra
- Pulling the tape too tight
- Not keeping the tape parallel to the floor
- Measuring at the wrong position
Professional Recommendations
- Take measurements at least twice for accuracy
- Measure at the same time each day
- Consider professional fitting for best results
- Update measurements every 6 months
Frequently asked questions
Does Bras N Things run true to size?
Mostly yes. Bras N Things bands align with measured sizes, so start with your usual pick and adjust only if style-specific feedback says otherwise.
What if I am between band sizes at Bras N Things?
Grab adjacent band sizes with matching sister cups to fine-tune comfort during try-ons.
Which Bras N Things styles work best for curve-friendly builds?
For curve-friendly builds, look at Bras N Things's full-support bras with inner slings, wider straps, and either multi-part cups or posture panels.
Can I convert from other sizing systems into Bras N Things?
Yes. Bras N Things labels bands with AU numbers (8–24) but keeps UK cup letters. Convert your size and double-check the AU number printed on the tag.