Shoe Size Formula for US Men:
Where L is foot length in inches, with width adjustments based on standard charts
From: | To: |
The shoe size calculator estimates your proper shoe size based on foot length and width measurements. It uses standard US sizing formulas with adjustments for width and gender differences.
The calculator uses the standard US sizing formula:
Where:
Explanation: The formula converts foot length to shoe size, with width adjustments made according to standard shoe manufacturing specifications.
Details: Wearing properly sized shoes prevents foot pain, blisters, and long-term foot problems. Correct width is as important as length for comfort.
Tips: Measure your foot length while standing, from heel to longest toe. For width, measure the circumference of the widest part of your foot.
Q1: How should I measure my foot?
A: Stand on a piece of paper, mark the heel and longest toe, then measure between marks. Do this at the end of the day when feet are largest.
Q2: Why are women's sizes different?
A: Women's shoes are built on different lasts (forms), with different proportions even at the same foot length.
Q3: What if I'm between sizes?
A: Size up if between sizes, especially for athletic shoes or if you have wide feet.
Q4: Do all brands fit the same?
A: No, sizing varies by brand and style. Use this as a starting point and try shoes on when possible.
Q5: How much room should be in the toe?
A: About 1/2 inch (thumb's width) between longest toe and end of shoe is recommended.