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Spanx Bra Size Chart

Spanx bra size chart for bra-llelujah and shapewear bras. Find your Spanx bra size with US, UK, EU, and AU conversions. Compression-fit sizing guide.

Sizes shown are based on standard US bra sizing. Spanx may vary slightly — check Spanx's official size chart for exact measurements.

Find Your Spanx Bra Size

Enter your measurements or convert from another brand.

How to Measure for Spanx

Illustration showing where to measure bust and underbust for bra sizing
Band (underbust) Bust (fullest point)
1

Measure your bust

Wrap a tape around the fullest part of your bust. Keep it level and not too tight.

2

Measure your underbust

Wrap the tape snugly around your ribcage, just below your breasts. Keep it level.

3

Enter your measurements

Use our calculator to get your size in US, UK, EU, and AU systems with sister sizes.

Spanx Size Chart

Data verified Apr 2026 · Official size guide · See an error? Report it

USUKEUAUBust (cm)Underbust (cm)
28A28A60A6A7358
28B28B60B6B7558
28C28C60C6C7858
28D28D60D6D8058
28DD28DD60E6DD8358
28DDD28E60F6E8558
28G28F60G6F8858
28H28FF60H6FF9058
30A30A65A8A7863
30B30B65B8B8063
30C30C65C8C8363
30D30D65D8D8563
30DD30DD65E8DD8863
30DDD30E65F8E9063
30G30F65G8F9363
30H30FF65H8FF9563
30I30G65I8G9863
32A32A70A10A8368
32B32B70B10B8568
32C32C70C10C8868
32D32D70D10D9068
32DD32DD70E10DD9368
32DDD32E70F10E9568
32G32F70G10F9868
32H32FF70H10FF10068
32I32G70I10G10368
34A34A75A12A8873
34B34B75B12B9073
34C34C75C12C9373
34D34D75D12D9573
34DD34DD75E12DD9873
34DDD34E75F12E10073
34G34F75G12F10373
34H34FF75H12FF10573
34I34G75I12G10873
36A36A80A14A9378
36B36B80B14B9578
36C36C80C14C9878
36D36D80D14D10078
36DD36DD80E14DD10378
36DDD36E80F14E10578
36G36F80G14F10878
36H36FF80H14FF11078
36I36G80I14G11378
38A38A85A16A9883
38B38B85B16B10083
38C38C85C16C10383
38D38D85D16D10583
38DD38DD85E16DD10883
38DDD38E85F16E11083
38G38F85G16F11383
38H38FF85H16FF11583
38I38G85I16G11883
40A40A90A18A10388
40B40B90B18B10588
40C40C90C18C10888
40D40D90D18D11088
40DD40DD90E18DD11388
40DDD40E90F18E11588
40G40F90G18F11888
40H40FF90H18FF12088
40I40G90I18G12388
42B42B95B20B11093
42C42C95C20C11393
42D42D95D20D11593
42DD42DD95E20DD11893
42DDD42E95F20E12093
42G42F95G20F12393
42H42FF95H20FF12593
42I42G95I20G12893
44B44B100B22B11598
44C44C100C22C11898
44D44D100D22D12098
44DD44DD100E22DD12398
44DDD44E100F22E12598
44G44F100G22F12898
44H44FF100H22FF13098
44I44G100I22G13398

How Spanx Sizing Compares

If you wear a 34C in Spanx, here's your likely size in other popular brands:

BrandUS SizeUK SizeEU SizeFit
Spanx34C34C75Cruns small
Victoria's Secret34C34C75Ctrue to size
Calvin Klein34C34C75Ctrue to size
ThirdLove34C34C75Ctrue to size
Savage x Fenty34C34C75Ctrue to size
Wacoal34C34C75Ctrue to size

Sizes shown use standard charts. Actual fit may vary by style — always check the brand's specific size guide.

Spanx Sizing & Fit Guide

Spanx bras tend to run slightly small in the band due to their compression-focused design. Size up in the band if you prefer a less snug fit. Cup sizes are true to size. Their wireless styles are more relaxed than underwire.

View Spanx's official size guide

Frequently Asked Questions

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