True-to-Size Millimeter Sizing Comparison

Nike Run Swift 3 Running Shoe - Women's vs On Cloudtilt

Detailed size conversion chart, cavity measurements in millimeters, and crowd-sourced fit advice for choosing your perfect size.

Shoe Awomen
Nike Run Swift 3 Running Shoe - Women's
4.8(230 reviews)
Fit TendencyTrue to Size
Width ProfileStandard (Medium)
View Full Run Swift 3 Running Shoe - Women's Breakdown
Shoe Bwomen
On Cloudtilt
4.3(303 reviews)
Fit TendencyTrue to Size
Width ProfileStandard (Medium)
View Full Cloudtilt Breakdown
Fit Verdict

True to Size Comparison

Both shoes share a very similar length profile. We recommend ordering your standard size in both.

Length Delta0 mm
Width DeltaIdentical

Interactive Size Converter

Select what size you wear in the Run Swift 3 Running Shoe - Women's to see your calculated size in the Cloudtilt.

Recommended Size in On Cloudtilt
US 8100% Match

Internal shoe cavity difference: 0.0 mm (snugger)

Complete Size Conversion Matrix

Direct millimeter-calibrated mapping comparing all available sizes between both shoes.

Run Swift 3 Running Shoe - Women's (US)Internal CavityCloudtilt EquivalentMatch AccuracyFit Difference
US 4.5233 mmUS 4.5100%0.0 mm
US 5237 mmUS 5100%0.0 mm
US 5.5240 mmUS 5.5100%0.0 mm
US 6243 mmUS 6100%0.0 mm
US 6.5247 mmUS 6.5100%0.0 mm
US 7250 mmUS 7100%0.0 mm
US 7.5253 mmUS 7.5100%0.0 mm
US 8257 mmUS 8100%0.0 mm
US 8.5260 mmUS 8.5100%0.0 mm
US 9267 mmUS 9100%0.0 mm
US 9.5270 mmUS 9.5100%0.0 mm
US 10273 mmUS 10100%0.0 mm
US 10.5277 mmUS 10.5100%0.0 mm
US 11280 mmUS 11100%0.0 mm

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Frequently Asked Questions

How does the Run Swift 3 Running Shoe - Women's size compare to the Cloudtilt?

Both shoes share a very similar length profile. We recommend ordering your standard size in both. The Run Swift 3 Running Shoe - Women's has an internal fit offset of 0mm compared to 0mm for the Cloudtilt.

Do these shoes fit wide feet comfortably?

The Run Swift 3 Running Shoe - Women's has a standard medium width profile, while the Cloudtilt is standard medium.