Bra Size to Bikini Size Converter

A bra size to bikini size converter helps women find the right bikini top size based on their bra size.

A woman who wears a 34C bra might find that she needs a Medium (M) or Large (L) bikini top, depending on the brand and style. The bra size converter takes into account both the band size and cup size to suggest the most appropriate bikini top size.

This is useful because bikini sizes often differ from bra sizes, and the conversion can be confusing.

Bra Size to Bikini Size Conversion Chart

Bra Size to Bikini Size Formula

There formula for converting bra sizes to bikini sizes is:

Consider the band size (e.g., 34, 36, 38)

Factor in the cup size (e.g., A, B, C, D)

Combine these factors to estimate the bikini size

To convert a 36C bra size to a bikini size:

1. Band size 36 typically falls in the Medium to Large range
2. Cup size C is generally in the Medium range
3. Combining these, a 36C would likely be a Medium (M) or Large (L) in bikini sizes

Always check the specific brand’s size chart for the most accurate conversion.

What bikini size is based on bra size?

Let’s say you wear a 34B bra. To find your bikini size:

• Your band size (34) falls in the small to medium range
• Your cup size (B) is typically in the small range
• Combining these factors, you would likely wear a Small (S) or Medium (M) bikini top

But if you were a 34D:

• The band size (34) is still small to medium
• But the cup size (D) is larger, pushing into the medium to large range
• In this case, you might need a Medium (M) or Large (L) bikini top

Size 12 bikini top is what bra size

A Size 12 bikini top equate to:

• 36C to 36D in bra sizes
• 38B to 38C in bra sizes

Bikini tops labeled as Size 12 are designed to fit a range of bra sizes, typically accommodating different cup sizes on a similar band size.

For the most accurate fit, it’s always best to:

Check the specific brand’s size chart

Consider both your band and cup size when selecting a bikini top

Try on different sizes if possible, as fit can vary between styles even within the same brand.