What is 34C Bra Size? 34C Measurements in Inches & cm, Sister Sizes and Fit

A 34C bra size means a 34 band (your underbust measures about 29 to 30 inches) and a C cup (your bust measures about 37 inches, 3 inches more than the band). In centimetres that is an underbust of 74 to 76 cm and a bust of about 94 cm. 34C is one of the five best-selling sizes in India and the most common C cup. Lovable India sells 34C in every style from non-padded cotton to t-shirt, padded and sports bras: see all 34C bras.

34C bra size measurements

Measurement	Inches	Centimetres
Underbust (band 34)	29–30	74–76
Bust (cup C)	37	94
Bust minus band	3	8

The band number is not your bust; it is your underbust plus 4 (even) or 5 (odd) inches, which is how Indian and international brands size bras. The cup letter is the difference between bust and band: A is 1 inch, B is 2, C is 3, D is 4, E is 5.

How to check if you are a 34C

Wrap a soft tape snugly under your bust and note the inches. 29 or 30 inches points to band 34.
Wrap the tape loosely around the fullest part of your bust. About 37 inches with a 34 band points to a C cup.
Try the bra: the band should sit level across your back on the loosest hook, the centre panel should touch your breastbone, and the cup should be full with no gap and no spill.

If the numbers do not match this exactly, use the full bra size chart or the bra size calculator.

34C sister sizes

Sister sizes hold the same cup volume on a different band. If a 34C band feels tight, try 36B; if it rides up and feels loose, try 32D. The cup letter changes but the cup itself stays the same size.

If 34C…	Try	Why
band is loose, cup fits	32D	tighter band, same cup volume
band is tight, cup fits	36B	looser band, same cup volume
cup spills over	34D	same band, one cup larger
cup gaps or wrinkles	34B	same band, one cup smaller

34C compared with nearby sizes

34C vs 34B: same band; 34C has a cup one inch larger (bust 37 vs 36 inches).
34C vs 34D: same band; 34D has a cup one inch larger (bust 38 inches).
34C vs 36C: same cup letter, but 36C has a 2-inch longer band and a slightly larger cup, because cup volume grows with band size. 36B is the true equivalent of 34C, not 36C.
34C vs 32C: same cup letter on a 2-inch shorter band; the 32C cup is slightly smaller.

Best bra styles for 34C

C cups benefit from a little structure. Full-coverage and 3/4th-coverage bras with wider straps hold the shape; wired styles give lift under sarees and dresses; non-wired full-coverage styles are better for 10-hour days; padded t-shirt bras work well but choose thin padding, not push-up. Browse by style: t-shirt bras, padded bras, non-padded bras, seamless bras, sports bras and full coverage bras, then filter to 34C.

34C bra FAQs

Is 34C a small, medium or large bra size?

34C is a medium-to-full size: an average band with a fuller cup. The cup letter alone does not tell you the volume: a C cup on a 34 band is a different size from a C cup on a 38 band.

What is 34C bra size in cm?

Underbust 74 to 76 cm and bust about 94 cm. European sizing calls this 75C.

What is the difference between 34C and 36C?

The band. 36C is for an underbust of 31 to 32 inches, 34C for 29 to 30 inches. Because cup volume scales with the band, the 36C cup is also a little larger than the 34C cup.

My 34C band rides up at the back. What should I do?

The band is too loose. Try 32D (tighter band, same cup) or tighten to the inner hook. A band that rides up gives no support no matter how the straps are set.

Which 34C bra is best for daily use?

A non-padded or lightly padded, non-wired, full-coverage cotton bra. See 34C bras on Lovable India from ₹179.

Does 34C change after weight gain or loss?

Usually by one band size for every 5 to 7 kg, and sometimes a cup. Re-measure every six months and after any change in weight, pregnancy or exercise.

More bra size guides

Bra Size Chart | Bra Size Calculator | What A, B, C, D Cup Sizes Mean

By band: 30 Bra Size | 32 Bra Size | 34 Bra Size | 36 Bra Size | 38 Bra Size

By size: 30B | 32B | 32C | 32D | 34B | 34D | 36B | 36C | 36D | 38B | 38C | 38D

By cup: A Cup | B Cup | C Cup | D Cup

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