brasize.ai
Calculate
Measurement lookup

46-Inch Underbust Bra Size

A snug 46″ underbust (117 cm) is a 46 band. Slide to your bust measurement and the size appears; the table shows every cup a 46 band can carry.

Live

My underbust is 46″: what's my size?

tape level, touching not compressing
Underbust 46″ · band 46 · your size
46C
Sister sizes
Read the guide →

The band comes from the underbust alone. 46″ → 46 band whatever your bust; the bust only decides the cup letter: one letter per inch above 46.

Lookup

Every size on a 46 band, by bust

BustDifferenceBra sizeSister sizes
47″ · 119 cm1″46A44B · —
48″ · 122 cm2″46B44C · —
49″ · 124 cm3″46C44D · —
50″ · 127 cm4″46D44DD · —
51″ · 130 cm5″46DD44DDD · —
52″ · 132 cm6″46DDD44G · —
53″ · 135 cm7″46G44H · —
54″ · 137 cm8″46H44I · —
On the scale

Where 46″ lands

US band scale · your band and its sister bands
28303234363840424446
46″ → 46. Sister bands 44 and: hold the same cup volume with one cup letter up or down.
How a 46 band should feelLevel, firm on the loosest hook, two fingers underneath, no ride-up when you raise your arms
The band abroad

A 46 band in every system

US / UK46
EU / DE / JP105
FR / ES120
AU / NZ24
IT9
Underbust46″ · 117 cm

Odd number? No. 46 is the 46 band directly. Bands are always even; the underbust reading between them goes to the sister size that fits.

Measure

Getting the underbust right

1Snug and level

Firm against the ribs, level all the way round, on a normal exhale. A slack tape adds an inch and a band size.

2Round, don't add

Nearest whole inch, odd rounds up to even. Never add four inches: that is the outdated rule.

3Loosest hook when new

The band should fasten on the loosest hook and feel firm; move inward as it stretches over months.

Full technique with diagrams: how to measure your bra size.

Answered

46-inch underbust: answered

What band size is a 46 inch underbust?

A 46 band. Even readings are the band directly.

What bra size is a 46 inch underbust and a 49 inch bust?

46C: a three-inch difference on a 46 band. Bust 50 would be 46D, 48 would be 46B.

What is a 46 band in EU sizing?

EU 105 (US band × 2.5 − 10); FR 120; AU 24; IT 9.

Should the tape be tight for the underbust?

Snug: firm against the ribcage like a well-fitting band, not painful. Two inches of slack turns a 34 band into a 36.

Can a 46 inch underbust wear a 44 band?

Often, as a sister size. 44 with one cup letter up holds the same volume on a firmer band, useful if 46 rides up or you are between readings.

Shop itAt HauteFlair, our sister retailer

Opens HauteFlair’s own hub page; use your measured size there. HauteFlair is owned by the same company as Brasize.ai; that relationship never changes the sizing math, charts, or fit advice on this page. How this site makes money.

Enter both measurements

Underbust and bust together give one exact size.

Calculate My Bra Size →