Buying Guide, How to

David Koma Size Guide: The Brand’s Chart, UK to US and Italian, and How Each Shape Fits

Buying Guide, How to

David Koma Size Guide: The Brand’s Chart, UK to US and Italian, and How Each Shape Fits

David Koma cuts on the UK ladder, publishes a body-measurement chart for UK 6 to 14, and says nothing on its product pages about running large, running small, sizing up, sizing down. That silence is the most useful thing to know: the house expects you to order your usual UK size and to let the cut do the shaping. This guide gives the brand’s own conversion table and body chart, then adds the fitting room’s notes on how a sculpted cady dress, a corset, a cut-out and a knit actually behave, so that “usual size” becomes a confident choice rather than a guess.

Key facts

  • The brand sizes in UK numbers: UK 6 = Italy 38 = US 2 = France 34 = Japan 5, running to UK 14 = Italy 46 = US 10 = France 42 = Japan 13 (davidkoma.com size guide).
  • Body measurements the house publishes, in centimetres: UK 6 bust 83.5, waist 63.5, hip 93.5; UK 8 86 / 66 / 96; UK 10 91 / 71 / 101; UK 12 96 / 76 / 106; UK 14 101 / 81 / 111.
  • No David Koma product page carries a sizing instruction (none of the 306 saved on 18 September 2026 does), so “true to size” is the working assumption and the house publishes no model height.
  • Knit dresses and the Supergirl jersey pieces are sized XS to XL rather than in UK numbers; the knits are made in China and the cady, satin and jersey pieces in the United Kingdom.
  • Luxury Handbags fitting-room rule: on a corseted, boned, cady dress take your usual size, and if you are between sizes take the larger, because the house cuts close through the bust and waist and the lining does not stretch.

The brand’s conversion chart

UK Italy US France Japan
6 38 2 34 5
8 40 4 36 7
10 42 6 38 9
12 44 8 40 11
14 46 10 42 13

This is the table the house prints on davidkoma.com, reproduced without change. It matches the standard British-to-Italian conversion, so a woman who wears a 40 in Italian tailoring will be a UK 8 here. American shoppers should note that the US column is the older four-sizes-down convention, so a US 6 is a UK 10, not a UK 6.

The brand’s body-measurement chart

UK size Bust (cm) Waist (cm) Hip (cm)
6 83.5 63.5 93.5
8 86 66 96
10 91 71 101
12 96 76 106
14 101 81 111

These are body measurements, not garment measurements, and the gaps between them are worth reading. The house steps 2.5 cm from a 6 to an 8 and then a full 5 cm for every size after, which is why the fitting room sees more between-size problems at the small end than the large. Measure the bust at the fullest point, the waist at the narrowest, the hip at the fullest point of the seat, all with the tape flat and level. If your bust is a 10 and your waist an 8, buy the 10: a Koma waist is easy to take in and a Koma bust seam is not. The same chart is on every Luxury Handbags David Koma product page under the size guide, converted where the garment needs it.

How the shapes fit

The cady and satin dresses. The heart of the range, from the Crystal Strap Detail Midi Dress to the Cactus Dahlia Detail Gown, is cut in a viscose-acetate stretch cady, sometimes a triacetate satin, over a viscose-polyester lining. The lining is what governs the fit: the outer cloth has a little give and the lining has almost none, so the dress holds its shape rather than stretching to yours. Order your usual UK size. Between sizes, take the larger and have the waist taken in.

The corseted pieces. The Crystal Leaf Corset Top, the 3D Flower Corset Top, the Lace Flower Corset Asymmetric Midi Dress and the Crystal Leaf Corset Gown In Blue are boned. A corset is meant to be firm, but it must close, and Koma’s close at the back with a hidden zip, so there is no lacing to adjust. Use the bust measurement, not the waist, and go up if you are between.

The jersey and cut-out dresses. Viscose jersey pieces like the Rhinestone Leaf And Long Sleeves Midi Dress and the Star Cutout Long Sleeve Mini Dress have the most give in the range and are the most forgiving between sizes. A cut-out, though, is engineered for a particular body position: if the dress is too large the opening sags, if too small it pulls. Usual size, no exceptions. The cut-out guide covers where each opening sits.

The knits. The Fringe Draping Knit Gown, the Fringe Draped Mini Knit Dress and the Pearl Embellished Knit Halter Gown are sized XS to XL in a rayon-nylon-elastane rib. They are close-fitting by design; take your usual letter size and expect the rib to recover after wear.

Tailoring and denim. The tailored trousers, the Double Pleated Tailored Trousers and the Tapered Tailored Trousers, are UK-sized and cut with a high rise. The denim is made in Turkey in the same UK numbers; the 3D Flower Jeans are a barrel leg with a fitted waist, so measure the waist and ignore the leg. Jackets are cut to be worn closed over a bodysuit, and the Crystal Leaf Tie Waist Jacket ties rather than buttons, which gives you a size of latitude.

Returns, if the size is wrong

Luxury Handbags accepts returns within 14 days of delivery, unworn, with tags and security seals intact, per the returns policy; the brand’s own store runs the same 14-day window and its own returns portal. Embellished pieces travel in a garment bag and should be tried on with the tag attached, because a hand-applied crystal that catches on jewellery cannot be re-attached by a customer.

“The brand aesthetic is best described in 3 words: seductive, feminine and timeless,” the house writes on davidkoma.com. “David Koma DNA is based on sculptural and sensual pieces created to instill confidence and empower.”

Frequently asked questions

Does David Koma run true to size?

The brand gives no sizing instruction on any product page, so order your usual UK size. The fitting room’s only addition: on a corseted cady dress, take the larger size if you are between two.

What size is a David Koma UK 10 in US and Italian sizing?

A UK 10 is a US 6, an Italian 42, a French 38 and a Japanese 9, per the brand’s own conversion chart.

What are the David Koma body measurements?

UK 6: bust 83.5, waist 63.5, hip 93.5 cm; UK 8: 86, 66, 96; UK 10: 91, 71, 101; UK 12: 96, 76, 106; UK 14: 101, 81, 111.

Do David Koma dresses stretch?

The cady and satin dresses have a little give in the outer cloth but a firm lining, so they hold their shape. The viscose jersey pieces stretch more; the rib knits stretch and recover.

Should I size up in a David Koma corset?

Use your bust measurement against the body chart. If it falls between two sizes, take the larger: the corsets close with a hidden zip and have no lacing to let out.

How are the David Koma knit dresses sized?

In letters, XS to XL, in a close-fitting rayon, nylon and elastane rib made in China. Take your usual letter size.

Can I return a David Koma dress that does not fit?

Yes, within 14 days of delivery at Luxury Shoes , unworn with all tags and seals intact. Try embellished pieces on carefully with the tag attached.

Read next

Read how to wear David Koma, which David Koma dress to buy and the materials and care guide. Shop the David Koma collection at Luxury Shoes .

More David Koma guides

Every David Koma page by Luxury Shoes ’s fashion editor Gemma Deeks: Is it a luxury brand?, Brands like David Koma, How to wear, Which dress to buy, Who is David Koma?, History timeline, Price guide, Where to buy, Sale, Review, Real vs fake, Materials and care, Glossary, Mugler and Blumarine, Who wears it, Pre-fall 2026 Supergirl edit, Spring-summer 2026 edit, Resort 2026 edit, vs Alexander McQueen, vs Safiyaa, Gowns, Mini dresses, Midi dresses, Tops, Jackets and tailoring, Jeans and denim, Trousers, Skirts, Wedding dresses, Wedding-guest dresses, Crystal dresses, 3D flower and lace, Sequins, Feathers, Cut-outs, Satin and velvet, Corsets, Black, White and ivory, Red and pink, Yellow, blue and green.

Sources and method

Checked on 18 September 2026 by Gemma Deeks, fashion editor at Luxury Shoes . Product facts, the compositions, linings, embroidery fibres, care lines and country of manufacture, are the brand’s own product-page text; counts, prices and price ranges are Luxury Shoes ’s live catalogue on that date and move with stock; the designer’s biography and the house history come from the brand’s own About page and the press articles listed below, each read on the date above; the size chart is the brand’s own. Where a claim could not be checked against one of these it was left out, and where the fitting room is giving its own advice the page says so.