Foot Width Calculator (Narrow / Standard / Wide)
Find out whether you likely need narrow, standard, wide or extra-wide shoes. Enter your foot length and the width across the ball of your foot, and we'll estimate your width category based on the typical length-to-width ratio.
Measure the widest part of your foot (across the ball) and your foot length in centimetres — see our guide on measuring foot size. This estimate uses the ratio of width to length; brand width charts are the final word.
Your width category will appear here.
Shopping note: Browse shoes in wide and extra-wide fittings. Browse wide width shoes on Amazon →
As an Amazon Associate we may earn from qualifying purchases. This does not affect our editorial recommendations.
As an Amazon Associate we may earn from qualifying purchases. This does not affect our editorial recommendations.
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Medical disclaimer: This article is for general education only and is not medical advice. It does not replace diagnosis or treatment from a licensed podiatrist or physician. If you have diabetes, an infection, severe pain, numbness, or a wound that will not heal, seek professional care promptly.
Frequently asked questions
- How do I know if I have wide feet?
- Measure the width across the ball of your foot and its length; if width is over about 40% of length, you likely need a wide fit. This tool estimates the category for you.
About this tool
This calculator runs entirely in your browser; no data is sent or stored. Results are estimates based on standard sizing relationships and general guidance — always confirm fit in person and consult a podiatrist for foot pain.