ASICS Size Chart - EU, US & UK Size Conversion

ASICS :: Official Generic Chart :: male

Unsure about your size? Find your size or check out our detailed guide on how to measure your feet.

Fit Type: True to size

Foot Length (mm)	EU
225	36
230	37
235	37.5
240	38
245	39
250	39.5
252	40
255	40.5
260	41.5
265	42
270	42.5
275	43.5
280	44
282	44.5
285	45
290	46
295	46.5
300	47
305	48
310	49
320	50.5
330	51.5
340	53
345	54

Based On: ASICS :: Official Generic Chart :: male

Last updated: 2025-07-17 11:28:48

ASICS :: Official Generic Chart :: unisex

Unsure about your size? Find your size or check out our detailed guide on how to measure your feet.

Fit Type: True to size

Foot Length (mm)	EU
225	36
230	37
235	37.5
240	38
245	39
250	39.5
252	40
252	40.5
260	41.5
265	42
270	42.5
275	43.5
280	44
282	44.5
285	45
290	46
295	46.5
300	47
305	48
310	49
320	50.5
330	51.5
340	53
345	54

Based On: ASICS :: Official Generic Chart :: unisex

Last updated: 2025-07-17 11:28:48

ASICS :: Gel-Nimbus :: male

Unsure about your size? Find your size or check out our detailed guide on how to measure your feet.

Fit Type: True to size

Foot Length (mm)	EU
225	36
230	37
235	37.5
240	38
245	39
250	39.5
255	40
257	40.5
260	41
262	41.5
265	42
270	42.5
275	43
280	43.5
282	44
285	44.5
290	45
292	45.5
295	46
300	46.5
305	47
310	48

Based On: ASICS :: Gel-Nimbus :: male

Last updated: 2025-07-17 11:28:48

ASICS :: Official Generic Chart :: female

Unsure about your size? Find your size or check out our detailed guide on how to measure your feet.

Fit Type: True to size

Foot Length (mm)	EU
225	35.5
227	36
230	37
235	37.5
240	38
245	39
250	39.5
255	40
257	40.5
260	41.5
265	42
270	42.5
275	43.5
280	44
285	44.5
287	45
290	46
295	46.5
300	47

Based On: ASICS :: Official Generic Chart :: female

Last updated: 2025-07-17 11:28:48

ASICS :: Gel-Kayano :: female

Unsure about your size? Find your size or check out our detailed guide on how to measure your feet.

Fit Type: True to size

Foot Length (mm)	EU
225	36
230	37
235	37.5
240	38
245	39
250	39.5
255	40
257	40.5
260	41
262	41.5
265	42
270	42.5
275	43
280	43.5
282	44
285	44.5
290	45
292	45.5
295	46
300	46.5
305	47
310	48

Based On: ASICS :: Gel-Kayano :: female

Last updated: 2025-07-17 11:28:48

ASICS :: Gel-Nimbus :: female

Unsure about your size? Find your size or check out our detailed guide on how to measure your feet.

Fit Type: True to size

Foot Length (mm)	EU
225	36
230	37
235	37.5
240	38
245	39
250	39.5
255	40
257	40.5
260	41
262	41.5
265	42
270	42.5
275	43
280	43.5
282	44
285	44.5
290	45
292	45.5
295	46
300	46.5
305	47
310	48

Based On: ASICS :: Gel-Nimbus :: female

Last updated: 2025-07-17 11:28:48

No, ASICS sizing varies by model. Some ASICS styles run small while others run large. Check our model-specific guides below for exact fit information.

Use our ASICS size conversion charts above. ASICS uses standard European sizing. EU 40 = US 7 (women) or US 7.5 (men) = UK 6.5. For exact conversions, see the charts on this page.

ASICS uses European sizing which tends to be consistent with other European brands. Compared to Nike or Adidas, you may need to check each model as fit varies. Use our size finder tool for accurate cross-brand comparison.

ASICS fit varies by model. Browse our model-specific sizing guides below to see which ASICS shoes run small, true to size, or large. Each guide includes exact fit adjustments.