40 inch bust in cm, and the sizes it fits

Which bra size is a 40 inch bust?

A bra size needs two measurements. Your underbust (snug round the ribcage, just under the bust) sets the band; the gap between bust and underbust sets the cup. With a 40 inch bust:

Your So Glamy size

Camisoles and night suits are sized by bust, so a 40 inch bust is XL or XXL in our camisoles and night suits. 40 inches is where the two meet: take XXL for a relaxed fit, XL for a closer one.

What suits a 40 inch bust

For a fuller bust, support comes from the band and the coverage, not the padding. A full-coverage cotton bra with a wide underband and broad straps spreads the weight; a slip-on sports bra works for long days at home.

Check the cup size as well as the letter size. With a DD cup or bigger, take one size up from your band so the cup has room.

In stock in XXL today

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  Save Cotton Camisole for Women – Stretch Cotton Lycra with Adjustable Spaghetti Straps in Pistachio Green Colour to wishlistLoved

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  Cotton Camisole for Women – Stretch Cotton Lycra with Adjustable Spaghetti Straps in Pistachio Green Colour

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  4.8| 102

  4 Sizes

How to measure at home

1. Measure your underbust. Wearing an unpadded bra or none at all, run the tape snugly around your ribcage, directly under your bust. Keep it level and breathe out normally.
2. Measure your bust. Run the tape around the fullest part of your bust. Keep it level and don't pull it tight — the tape should sit flat without compressing.
3. Find your size. Your underbust gives your band size. The difference between bust and underbust gives your cup. Enter both above and we'll do the maths.

Use the bra size calculator · Step-by-step measuring guide

Questions about a 40 inch bust

What is a 40 inch bust in cm?

101.6 cm. Any bust measurement from 101 to 102 cm rounds to 40 inches.

102 cm bust is how many inches?

40.2 inches, which counts as a 40 inch bust for sizing.

Is a 40 inch bust small, medium or large?

It is XL or XXL in our camisoles and night suits. 40 inches is where the two meet: take XXL for a relaxed fit, XL for a closer one.

What bra size is a 40 inch bust?

It depends on your underbust, which sets the band. With a 40 inch bust the usual sizes are 38B, 36D, 34E: measure snugly under the bust and pick the row that matches.