Home › Clothing › Bra Sizes › 44C
👙 Bra Size

44C Bra Size — UK, EU & French Conversion

A US 44C bra in UK, European and French sizing, with its sister sizes. Not sure 44C is right? Measure with the bra calculator first.

Reviewed by the 247Sizing teamLast updated: 27 August 2026
US 44C = UK 44C
EU 100C · French 115C

A US 44C bra converts to UK 44C, EU 100C and French 115C. The band number maps on a fixed scale, while cup letters shift between systems above D.

RegionSize
US44C
UK44C
EU (Europe)100C
FR / ES (France, Spain)115C

Sister sizes for 44C

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

42DSister down
46BSister 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.

42C · 46C · 44B · 44D

All bra sizes → · Bra calculator → · Converter →

What is a US 44C bra in UK and EU sizing?

A US 44C is a UK 44C, EU 100C and French 115C.

What are the sister sizes of 44C?

Same cup volume, different band: 42D, 46B.

ⓘ 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 →