Shoe Sizing

Mondopoint Explained: Metric Shoe Sizing

2 min read · Updated October 27, 2026

Mondopoint is a measurement-based footwear sizing system. It does not make every retail CM or JP label equal to your measured foot length.

What it describes

Mondopoint labels use foot measurements, commonly expressed in millimeters. Where width is included it must be interpreted using the applicable labeling convention; a universal extra-wide cutoff in millimeters is not appropriate for every foot length.

Standards are not a universal fit guarantee

ISO 19407:2023 provides guideline conversions between footwear sizing systems. Manufacturer charts and lasts can still differ. Do not describe a retail conversion as an exact, universal ISO mapping.

Read consumer labels carefully

Nike’s box-label CM differs from the Foot Length column in its chart. A metric unit alone does not establish what was measured. Foot, insole, last and label values must be kept distinct.

Use measured-foot guidance

Measure both feet and follow the current manufacturer chart. A size label gives a starting point; width, volume and actual fit still need checking.

Calculator

Foot length calculator

Frequently asked questions

Does this guidance guarantee fit?
No. Use current product-specific measurements and an actual fit check; generic conversions are approximate.

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Sources

SizeAtlas · Last updated October 27, 2026