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Shoe Width

Check your foot width-to-length ratio for a shoe fit.

About Shoe Width

The foot's width is divided by its length, and the ratio sorts it into standard width categories. Many size charts only cover length, but an ignored width quickly causes blisters or pinching.

Formula

Shoe Width

Ratio = foot width / foot length

width ratio
Relative breadth; ~0.38 typical

Worked example

With the default values below, Shoe Width returns Width Ratio of 0.400. Change any input above and every figure here is recalculated in your browser.

Inputs used

Foot lengthminimum 15 cm
25 cm
Foot widthminimum 6 cm
10 cm

Results

Width Ratio
0.400
Width Category
Wide
Width
3.94 in

Step by step

  1. 1Values used
  2. 2Shoe Width
  3. 3Width Ratio= 0.400
  4. 4Width Category= Wide
  5. 5Width= 3.94 in

Assumptions and limits

  • The result is derived only from the 2 inputs listed above. Anything not among them is not part of the calculation.
  • In particular, this calculator does not take inflation, tax, fees or charges or compounding frequency into account.
  • Figures are rounded for display to 3 decimal places, so totals built from several rounded parts can differ slightly from the unrounded arithmetic.

How these calculators are built and tested is described on the Methodology page. If a figure looks wrong, please report it.

Frequently Asked Questions

How is Shoe Width calculated?

Ratio = foot width / foot length The foot's width is divided by its length, and the ratio sorts it into standard width categories.

Why does Shoe Width matter?

Many size charts only cover length, but an ignored width quickly causes blisters or pinching.

What values do I need to enter?

This calculator takes 2 inputs: Foot length, Foot width. The pre-filled defaults are a realistic starting point — replace them with figures from your own environment for a result you can act on.

Shoe Width – Calculate Width Ratio & Width Category