Home › Clothing › Bra Sizes › 46DDD
👙 Bra Size

46DDD Bra Size — UK, EU & French Conversion

A US 46DDD bra in UK, European and French sizing, with its sister sizes. Not sure 46DDD is right? Measure with the bra calculator first.

Reviewed by the 247Sizing teamLast updated: 27 August 2026
US 46DDD = UK 46E
EU 105F · French 120F

A US 46DDD bra converts to UK 46E, EU 105F and French 120F. The band number maps on a fixed scale, while cup letters shift between systems above D.

RegionSize
US46DDD
UK46E
EU (Europe)105F
FR / ES (France, Spain)120F

Sister sizes for 46DDD

Same cup volume, different band — try these if the band feels tight or loose but the cup is right:

44GSister down
48DDSister up
⚠️ US cup lettering above D varies by brand (DD vs E, DDD vs F). Match by the EU/UK equivalent when a brand's letters differ.

44DDD · 48DDD · 46DD · 46G

All bra sizes → · Bra calculator → · Converter →

What is a US 46DDD bra in UK and EU sizing?

A US 46DDD is a UK 46E, EU 105F and French 120F.

What are the sister sizes of 46DDD?

Same cup volume, different band: 44G, 48DD.

ⓘ Affiliate links below. As an Amazon Associate we earn from qualifying purchases at no extra cost to you.
★ Top pick · Recommended on Amazon
Bras (Multipack)

Everyday bras once you know your size.

View on Amazon →
Recommended on Amazon
Soft Tape Measure

Measure band and bust accurately at home.

View on Amazon →
Recommended on Amazon
Bra Band Extenders

Adjust the band a touch without changing the cup.

View on Amazon →