NikeWomen's
Calm
Fit verdict, size conversion guide, and millimeter measurements.
Fit Analysis & Sizing Advice
Order Your Standard SizeThis shoe fits consistent with standard sizing charts. You can comfortably order your usual sneaker size.
Runs Small (–8mm)True to SizeRuns Large (+8mm)
Snug / 1 Size UpStandard fitRoomy / 1 Size Down
Width: Standard Width (Medium). Conforms to standard medium width.
Community Fit Consensus
Aggregated feedback from verified shoe owners
4.1
(361 ratings)74% of wearers report this shoe fits True to Size.
Length Distribution
Runs Small13%
True to Size74%
Runs Large13%
Width Distribution
Runs Narrow9%
Standard Width78%
Runs Wide13%
Complete Size Chart
Showing 38 sizes| EU | US (W) | UK | Foot Length | Cavity Length |
|---|---|---|---|---|
| 35.5 | 5 | 3 | 21.6 cm | 232 mm |
| 36 | 5.5 | 3.5 | 22.0 cm | 236 mm |
| 36.5 | 6 | 4 | 22.4 cm | 240 mm |
| 37.5 | 6.5 | 4.5 | 22.9 cm | 245 mm |
| 38 | 7 | 5 | 23.3 cm | 249 mm |
| 38.5 | 7.5 | 5.5 | 23.7 cm | 253 mm |
| 39 | 8 | 6 | 24.1 cm | 257 mm |
| 40 | 8.5 | 6 | 24.5 cm | 261 mm |
| 40.5 | 9 | 6.5 | 25.0 cm | 266 mm |
| 41 | 9.5 | 7 | 25.4 cm | 270 mm |
| 42 | 10 | 7.5 | 25.8 cm | 274 mm |
| 42.5 | 10.5 | 8 | 26.2 cm | 278 mm |
| 43 | 11 | 8.5 | 26.7 cm | 283 mm |
| 44 | 11.5 | 9 | 27.1 cm | 287 mm |
| 44.5 | 12 | 9.5 | 27.5 cm | 291 mm |
| 45 | 12.5 | 10 | 27.9 cm | 295 mm |
| 45.5 | 13 | 10.5 | 28.3 cm | 299 mm |
| 46 | 13.5 | 11 | 28.8 cm | 304 mm |
| 47 | 14 | 11.5 | 29.2 cm | 308 mm |
| 47.5 | 14.5 | 12 | 29.6 cm | 312 mm |
| 48 | 15 | 12.5 | 30.0 cm | 316 mm |
| 48.5 | 15.5 | 13 | 30.5 cm | 321 mm |
| 49 | 16 | 13.5 | 30.9 cm | 325 mm |
| 49.5 | 16.5 | 14 | 31.3 cm | 329 mm |
| 50 | 17 | 14.5 | 31.7 cm | 333 mm |
| 50.5 | 17.5 | 15 | 32.2 cm | 338 mm |
| 51 | 18 | 15.5 | 32.6 cm | 342 mm |
| 51.5 | 18.5 | 16 | 33.0 cm | 346 mm |
| 52 | 19 | 16.5 | 33.4 cm | 350 mm |
| 52.5 | 19.5 | 17 | 33.9 cm | 355 mm |
| 53 | 20 | 17.5 | 34.3 cm | 359 mm |
| 53.5 | 20.5 | 18 | 34.7 cm | 363 mm |
| 54 | 21 | 18.5 | 35.1 cm | 367 mm |
| 54.5 | 21.5 | 19 | 35.5 cm | 371 mm |
| 55 | 22 | 19.5 | 36.0 cm | 376 mm |
| 55.5 | 22.5 | 20 | 36.4 cm | 380 mm |
| 56 | 23 | 20.5 | 36.8 cm | 384 mm |
| 56.5 | 23.5 | 21 | 37.2 cm | 388 mm |
Frequently Asked Questions
Does the Nike Calm run big or small?
Yes, this shoe runs true to size. You should order your typical shoe size. This shoe fits consistent with standard sizing charts. You can comfortably order your usual sneaker size.
How does Shoe Fit determine shoe sizing?
Shoe Fit calculates the real-world interior shoe cavity in millimeters combined with real owner feedback, rather than relying on arbitrary brand charts.
Find Your Exact Size
Already own a shoe that fits well? Shoe Fit cross-references its internal cavity against the Nike Calm to give you your personalized size.
Instant recommendation
Accounts for width & stretch
No sign-up required
Model Details
BrandNike
ModelCalm
Gender SpecWomen's
Sizes Offered38 sizes
Community Rating4.1 ★ (361 votes)
Fit Data SourceCommunity Validated
Own this shoe?
Help other shoppers find their perfect fit by adding your rating.
Rate Your Pair