Conversion / Browser calculator

Shoe Size Conversion Calculator

Shoe Size Conversion Calculator works from the inputs you provide and returns mondopoint length (mm), approximate eu size. Use the calculation panel to explore a scenario, then check the formula and limitations before applying the result.

Your inputs

Minimum: 1e-06
Minimum: 0 · Maximum: 3

Your results

Enter your values and calculate to see the result.

Formula and calculation method

Illustrative EU size = (foot length + allowance) × 1.5. Mondopoint length = centimeters × 10.

Approximate only. Adult/child scales, width and brands differ; use the manufacturer’s chart before purchase.

How to use shoe size conversion calculator

  1. Set Foot length (cm). The example below uses 26.
  2. Set Last-length allowance (cm). The example below uses 1.5.
  3. Select Calculate to update the result. Reset restores the illustrated inputs. Copy, print or download your own result if you need a record.

Worked example

Example inputs
Foot length (cm)
26
Last-length allowance (cm)
1.5
Mondopoint length (mm)
260
Approximate EU size
41.25

Factors affecting your result

Approximate only. Adult/child scales, width and brands differ; use the manufacturer’s chart before purchase.

Changing foot length (cm) changes the scenario being evaluated. Adjust one input at a time when comparing results, keep a copy of the assumptions, and compare values using the same unit and period. A precise arithmetic result does not make an uncertain assumption precise.

Frequently asked questions

How does the shoe size conversion calculator work?

Illustrative EU size = (foot length + allowance) × 1.5. Mondopoint length = centimeters × 10.

What inputs does Shoe Size Conversion Calculator need?

Enter foot length (cm), last-length allowance (cm). Choose values that correspond to the same situation and measurement convention.

How should I interpret the shoe size conversion calculator result?

Approximate only. Adult/child scales, width and brands differ; use the manufacturer’s chart before purchase.

Are my shoe size conversion calculator inputs uploaded?

No. The calculation runs in this browser. Favorites, recent tool names, theme and formatting preferences may be saved locally, but calculation inputs are not sent to a calculation server or stored by this website. Shared links do not include entered values.

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