👙 Bra Size
44K Bra Size — UK, EU & French Conversion
A US 44K bra in UK, European and French sizing, with its sister sizes. Not sure 44K is right? Measure with the bra calculator first.
US 44K = UK 44H
EU 100K · French 115K
A US 44K bra converts to UK 44H, EU 100K and French 115K. The band number maps on a fixed scale, while cup letters shift between systems above D.
| Region | Size |
|---|---|
| US | 44K |
| UK | 44H |
| EU (Europe) | 100K |
| FR / ES (France, Spain) | 115K |
Sister sizes for 44K
Same cup volume, different band — try these if the band feels tight or loose but the cup is right:
46JSister 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.
All bra sizes → · Bra calculator → · Converter →
What is a US 44K bra in UK and EU sizing?
A US 44K is a UK 44H, EU 100K and French 115K.
What are the sister sizes of 44K?
Same cup volume, different band: 46J.
ⓘ 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
Bra Band Extenders
Adjust the band a touch without changing the cup.
View on Amazon →