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Hybrid Mode — Official Charts + Smart Fallback

Find your perfect shoe size.

Official centimeter data for 165 brands. Size-offset estimates for the rest.

1

Enter your sizing info

Supported brands use their official size chart. Others use a calibrated offset estimate.

Brand you currently wear

Size in Nike

Estimated Width

Brand Snapshot

Category

Athletic & Running

Fit Profile

Runs Small

Primary Unit

US

Method

Official chart

2

Choose your target brand

Brand you want to buy

Nike · US 10.5 · Width D

Adidas

Your size in Adidas

US 10

10 US | UK 9.5 | EU 44 | CM 27.1

Width: Standard · Fit Profile: True to Size

3. Browse sizes across all other brands

Brand / StyleRecommended SizeSize AdjustmentBrand Fit Profile
5.11 TacticalUS 10Same size (US baseline)True to Size
APLUS 10Same size (US baseline)True to Size
AldenUS 9.5Size down 0.5 (US baseline)Runs Large
AldoUS 10.5Size up 0.5 (US baseline)Runs Small
Alexander McQueenUS 9Size down 1 (US baseline)Runs Large
AllbirdsUS 10Size up 0.5 (US baseline)Runs Small
Allen EdmondsUS 10.5Size up 0.5 (US baseline)Runs Small
AltraUS 10.5Size up 0.5 (US baseline)Runs Small
Arc'teryxUS 10Same size (US baseline)True to Size
AriatUS 9.5Size down 0.5 (US baseline)Runs Large
AsicsUS 10.5Size up 0.5 (US baseline)Runs Small
AsoloEU 43 1/3Size down 0.5 (US baseline)Runs Large
BaffinUS 11Size up 1 (US baseline)Runs Small
BalenciagaEU 42Size down 1 (US baseline)Runs Large
BallyEU 43Same size (US baseline)True to Size
Bates FootwearUS 10Same size (US baseline)True to Size
BearpawUS 10.5Size up 0.5 (US baseline)Runs Small
Beckett SimononUS 8Same size (US baseline)True to Size
BirdiesUS 12Same size (US baseline)True to Size
BirkenstockEU 42Size down 0.5 (US baseline)Runs Large
BlundstoneUK 9Same size (US baseline)True to Size
BogsUS 10Same size (US baseline)True to Size
BostonianUS 10Same size (US baseline)True to Size
Bottega VenetaEU 42Size up 0.5 (US baseline)Runs Small
BrooksUS 10.5Size up 0.5 (US baseline)Runs Small
Bruno MagliEU 42.5Size down 0.5 (US baseline)Runs Large
Calvin KleinUS 10Same size (US baseline)True to Size
CamperEU 43Size up 0.5 (US baseline)Runs Small
CarharttUS 9.5Size down 0.5 (US baseline)Runs Large
CariumaUS 10Same size (US baseline)True to Size
CaterpillarUS 10Same size (US baseline)True to Size
ChacoUS 9Size down 1 (US baseline)Runs Large
ChippewaUS 9.5Size down 0.5 (US baseline)Runs Large
Christian LouboutinEU 43.5Size up 0.5 (US baseline)Runs Small
Church'sUK 9.5Same size (US baseline)True to Size
ClarksUK 8.5Size down 0.5 (US baseline)Runs Large
CoachUS 5.5Same size (US baseline)True to Size
Cole HaanUS 10Same size (US baseline)True to Size
ColumbiaUS 10.5Size up 0.5 (US baseline)Runs Small
Common ProjectsEU 42Size down 1 (US baseline)Runs Large
Converse Chuck TaylorUS 9.5Size down 0.5 (US baseline)Runs Large
Crockett & JonesUK 8.5Same size (US baseline)True to Size
CrocsUS 10Same size (US baseline)True to Size
DC ShoesUS 10.5Size up 0.5 (US baseline)Runs Small
DannerUS 10Same size (US baseline)True to Size
DanskoEU 43Same size (US baseline)True to Size
DiadoraEU 44Same size (US baseline)True to Size
DiorEU 43Size up 0.5 (US baseline)Runs Small
Dr. MartensUK 8Size down 1 (US baseline)Runs Large
DurangoUS 10Same size (US baseline)True to Size
EccoEU 43Size down 1 (US baseline)Runs Large
EtniesUS 10Same size (US baseline)True to Size
FerragamoEU 44Same size (US baseline)True to Size
FilaUS 10.5Size up 0.5 (US baseline)Runs Small
FlorsheimUS 10Same size (US baseline)True to Size
FryeUS 9.5Size down 0.5 (US baseline)Runs Large
G.H. BassUS 9.5Size down 0.5 (US baseline)Runs Large
Georgia BootUS 10Same size (US baseline)True to Size
GlobeUS 10Same size (US baseline)True to Size
GolaUS 10Same size (US baseline)True to Size
Golden GooseEU 43Same size (US baseline)True to Size
Grant StoneUS 9.5Size down 0.5 (US baseline)Runs Large
GucciEU 42.5Size down 1 (US baseline)Runs Large
GuessUS 10Same size (US baseline)True to Size
HanwagEU 44Size up 0.5 (US baseline)Runs Small
HavaianasUS 11Size up 1 (US baseline)Runs Small
Hey DudeUS 10Same size (US baseline)True to Size
Hoka One OneUS 10Same size (US baseline)True to Size
HunterUK 8Same size (US baseline)True to Size
Hush PuppiesUS 10Same size (US baseline)True to Size
Inov-8US 11Size up 1 (US baseline)Runs Small
Irish SetterUS 10Same size (US baseline)True to Size
Jimmy ChooEU 43.5Size up 0.5 (US baseline)Runs Small
Johnston & MurphyUS 9Size down 1 (US baseline)Runs Large
JordanUS 10Same size (US baseline)True to Size
Justin BootsUS 6Size down 0.5 (US baseline)Runs Large
K-SwissUS 10.5Size up 0.5 (US baseline)Runs Small
KarhuUS 10.5Size up 0.5 (US baseline)Runs Small
Kate SpadeUS 10.5Size up 0.5 (US baseline)Runs Small
KedsUS 9.5Size down 0.5 (US baseline)Runs Large
KeenUS 10.5Size up 0.5 (US baseline)Runs Small
Kenneth ColeUS 10Same size (US baseline)True to Size
KodiakUS 11Size up 0.5 (US baseline)Runs Small
KoioEU 39Size down 1 (US baseline)Runs Large
L.L.BeanUS 9Size down 1 (US baseline)Runs Large
La SportivaEU 42 1/2Size up 0.5 (US baseline)Runs Small
LaCrosseUS 10Same size (US baseline)True to Size
LacosteUS 9.5Size down 0.5 (US baseline)Runs Large
LemsUS 10.5Size up 0.5 (US baseline)Runs Small
LoakeUK 10Size up 0.5 (US baseline)Runs Small
LowaEU 43.5Size up 0.5 (US baseline)Runs Small
LuccheseUS 9.5Size down 0.5 (US baseline)Runs Large
LugzUS 10Same size (US baseline)True to Size
LululemonUS 10.5Size up 0.5 (US baseline)Runs Small
MagnanniEU 42.5Size down 0.5 (US baseline)Runs Large
Marc FisherUS 12Same size (US baseline)True to Size
MeerminUS 10.5Size up 0.5 (US baseline)Runs Small
MerrellUS 10Same size (US baseline)True to Size
Michael KorsUS 10.5Same size (US baseline)True to Size
MinnetonkaUS 9.5Size down 0.5 (US baseline)Runs Large
MizunoUS 10.5Size up 0.5 (US baseline)Runs Small
Muck BootUS 10Same size (US baseline)True to Size
NOBULLUS 10.5Size up 0.5 (US baseline)Runs Small
Native ShoesUS 10Same size (US baseline)True to Size
NaturalizerUS 12Same size (US baseline)True to Size
New BalanceUS 10Same size (US baseline)True to Size
Nicks Handmade BootsUS 9.5Size down 0.5 (US baseline)Runs Large
Nine WestUS 10Same size (US baseline)True to Size
Nunn BushUS 10Same size (US baseline)True to Size
ObozUS 8.5Size up 0.5 (US baseline)Runs Small
On RunningUS 10.5Size up 0.5 (US baseline)Runs Small
OofosUS 10Size up 0.5 (US baseline)Runs Small
PF FlyersUS 10Same size (US baseline)True to Size
Polo Ralph LaurenUS 10Same size (US baseline)True to Size
PradaEU 42.5Size down 0.5 (US baseline)Runs Large
PropetUS 10Same size (US baseline)True to Size
PumaUS 10.5Size up 0.5 (US baseline)Runs Small
Ralph LaurenUS 10Same size (US baseline)True to Size
Red Wing HeritageUS 9.5Size down 0.5 (US baseline)Runs Large
RedbackUS 9Size down 1 (US baseline)Runs Large
ReebokUS 10.5Size up 0.5 (US baseline)Runs Small
ReefUS 10Size up 0.5 (US baseline)Runs Small
RockportUS 10Same size (US baseline)True to Size
RockyUS 10Same size (US baseline)True to Size
Rothy'sUS 7.5Size up 0.5 (US baseline)Runs Small
RoxyUS 12Size up 0.5 (US baseline)Runs Small
SalomonUS 10.5Size up 0.5 (US baseline)Runs Small
Sam EdelmanUS 12.5Same size (US baseline)True to Size
SanukUS 10Same size (US baseline)True to Size
SauconyUS 10Same size (US baseline)True to Size
ScarpaEU 44Size up 0.5 (US baseline)Runs Small
SebagoUS 10Same size (US baseline)True to Size
SkechersUS 9.5Size down 0.5 (US baseline)Runs Large
SorelUS 10.5Size up 0.5 (US baseline)Runs Small
SperryUS 9.5Size down 0.5 (US baseline)Runs Large
Stacy AdamsUS 9.5Size down 0.5 (US baseline)Runs Large
Steve MaddenUS 10.5Size up 0.5 (US baseline)Runs Small
Stuart WeitzmanUS 10Same size (US baseline)True to Size
SupergaEU 42 1/2Size down 0.5 (US baseline)Runs Large
SupraUS 10Same size (US baseline)True to Size
TecovasUS 10Same size (US baseline)True to Size
TevaUS 9Size down 1 (US baseline)Runs Large
ThorogoodUS 9.5Size down 0.5 (US baseline)Runs Large
Thursday Boot Co.US 10Same size (US baseline)True to Size
TimberlandUS 9.5Size down 0.5 (US baseline)Runs Large
To Boot New YorkUS 9.5Size down 0.5 (US baseline)Runs Large
Tod'sEU 41/41.5Size down 1 (US baseline)Runs Large
Tommy HilfigerUS 10Same size (US baseline)True to Size
TomsUS 10Same size (US baseline)True to Size
Topo AthleticUS 10Same size (US baseline)True to Size
Tory BurchUS 13Size up 0.5 (US baseline)Runs Small
UGGUS 9.5Size down 0.5 (US baseline)Runs Large
Under ArmourUS 10.5Size up 0.5 (US baseline)Runs Small
VansUS 10Same size (US baseline)True to Size
Vans VaultUS 10Same size (US baseline)True to Size
VasqueUS 10.5Size up 0.5 (US baseline)Runs Small
VejaEU 43.5Size down 0.5 (US baseline)Runs Large
VibergUK 8Size down 1 (US baseline)Runs Large
VionicUS 9.5Size down 0.5 (US baseline)Runs Large
VivobarefootUS 9Size down 0.5 (US baseline)Runs Large
VolcomUS 10Same size (US baseline)True to Size
White's BootsUS 9.5Size down 0.5 (US baseline)Runs Large
WolverineUS 9.5Size down 0.5 (US baseline)Runs Large
Xero ShoesUS 10.5Size up 0.5 (US baseline)Runs Small
Y-3UK 9Size down 0.5 (US baseline)Runs Large
ZamberlanEU 43Size down 0.5 (US baseline)Runs Large

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About This 100% Free Shoe Size Converter

FindShoeSize.com is a totally free tool that compares shoe sizes across 150+ athletic, casual, work boot, and dress brands. We use official centimeter data from brand size charts where available, and calibrated offset estimates for all others. Convert from any brand — whether you're switching from Nike to New Balance, Converse to Vans, or Red Wing to Thursday Boot Co., completely free with no signup required.

Brands Covered

Athletic & Running

Nike, Adidas, Asics, New Balance, Brooks, Hoka One One, On Running, Saucony, Salomon, Altra, Mizuno, NOBULL, Reebok, Puma, and more.

Casual & Lifestyle

Converse, Vans, Birkenstock, Skechers, Allbirds, UGG, Hey Dude, Crocs, Common Projects, Veja, Golden Goose, and more.

Work & Heritage Boots

Red Wing Heritage, Timberland, Dr. Martens, Blundstone, Clarks, Thursday Boot Co., Danner, Wolverine, Ariat, and more.

Dress & Smart Casual

Allen Edmonds, Cole Haan, Ecco, Johnston & Murphy, Church's, Crockett & Jones, Ferragamo, Steve Madden, and more.