Size Guide
42C Bra Size
Everything you need to know about bra size 42C — measurements, sister sizes, international equivalents, and fit advice.
Measurements for 42C
Underbust (Band)
41 to 43 inches (104 to 109 cm)
Full Bust
approximately 46 inches (117 cm)
42C in Other Sizing Systems
US
42C
UK
42C
EU
95C
FR
110C
AU
20C
Sister Sizes for 42C
These sizes have the same cup volume as 42C. Try them if the band feels too tight or too loose.
40D ↔ 42C ↔ 44B
← Tighter band, bigger cup · Looser band, smaller cup →
Fit Tips for 42C
C cups work well in most bra styles. If you experience spillover in one brand but not another, cup shapes vary — try different styles.
If your 42C bra is gapping at the top of the cup, the cup may be too large or the wrong shape — try a demi-cup or balconette. If the center gore doesn't sit flat, go up one cup size.
Not sure about your size? Measure yourself and double-check.
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