How to Measure Your Feet for Shoes

Complete step-by-step guide to accurately measure your foot length and width at home for perfect shoe sizing

Why Accurate Measurement Matters: Measuring your feet is the most reliable way to determine your correct shoe size. Sizes vary between brands and countries, but your foot length in centimeters or inches remains constant. This guide will help you measure your feet accurately for online shopping and international size conversions.

What You'll Need

Before you begin measuring your feet, gather these simple materials you probably already have at home:

Blank sheet of paper: Large enough to fit your entire foot (standard printer paper works for most feet)
Pen or pencil: For tracing your foot outline
Ruler or measuring tape: Preferably marked in both centimeters and inches
Flat, hard surface: Like hardwood floor or tile (avoid carpet)
The socks you'll wear: Measure while wearing the thickness of socks you'll use with the shoes
Helper (optional): Having someone else trace can make it easier and more accurate

Step-by-Step Foot Measurement Guide

1Choose the Right Time

Measure your feet in the evening, ideally after you've been on them all day. Feet naturally swell throughout the day and are typically 5-10% larger in the evening than in the morning. Measuring when your feet are at their largest ensures your shoes won't feel tight during normal daily wear.

2Prepare the Surface

Place your blank paper on a hard, flat surface against a wall. Make sure the paper is completely flat with no wrinkles or folds. If your paper isn't large enough, tape two sheets together. The wall will help ensure accurate heel placement.

3Position Your Foot

Put on the type of socks you'll wear with your shoes. Stand with your heel against the wall and your foot flat on the paper. Distribute your weight evenly on both feet as if you're standing normally. Your foot should be fully relaxed and at its natural width - don't curl your toes or arch your foot.

4Trace Your Foot

Have someone trace around your foot, or do it yourself by holding the pen perpendicular to the paper. Keep the pen as close to your foot as possible for accuracy. Trace from your heel, around your toes, and back to your heel. Make sure to trace your longest toe, which may not always be your big toe.

5Measure Foot Length

Using your ruler or measuring tape, measure the distance from the back of your heel (the mark closest to the wall) to the tip of your longest toe. This is your foot length. Record this measurement in both centimeters and inches. For example: 26.5 cm or 10.4 inches.

6Measure Foot Width

Measure across the widest part of your foot, typically across the ball of your foot where your toes meet the arch. This measurement helps determine if you need narrow, standard, or wide width shoes. Record this measurement in centimeters or inches.

7Measure Both Feet

Repeat the entire process for your other foot. Most people have one foot that's slightly larger than the other (usually the dominant side). Always use the measurements from your larger foot when determining shoe size, as you want both feet to be comfortable.

8Compare to Size Charts

Use your foot length measurement to find your size using size conversion charts. Different countries use different sizing systems, but your foot measurement in centimeters is universal. Our shoe size converter tool can help you convert your foot length to US, EU, UK, Japan, China, and Australia sizes.

Pro Tip: If your measurement falls between two sizes, always round up to the larger size. Your feet need room to move, especially your toes. A shoe that's slightly too big can be adjusted with insoles, but a shoe that's too small will be uncomfortable and can cause foot problems.

Foot Length to Shoe Size Conversion

Use this quick reference chart to convert your foot length measurement to approximate shoe sizes. These are general guidelines - always check brand-specific size charts when available.

Foot Length (cm)	Inches	US Men's	US Women's	EU	UK
23.0	9.1"	5	6.5	37-38	4.5
24.0	9.4"	6	7.5	38-39	5.5
25.0	9.8"	7	8.5	40	6
26.0	10.2"	8	9.5	41	7
27.0	10.6"	9	10.5	42-43	8
28.0	11.0"	10	11.5	44	9
29.0	11.4"	11	12.5	45	10
30.0	11.8"	12	13.5	46	11

Common Foot Measurement Mistakes

Measuring in the Morning

Your feet are smallest first thing in the morning. Shoes that fit morning feet will feel tight by afternoon. Always measure in the evening when your feet have had time to swell to their maximum daily size.

Not Wearing Socks

If you'll wear socks with your shoes, measure while wearing them. Socks add thickness that affects fit. Athletic socks add more than dress socks. Measure with the sock thickness you'll actually use.

Measuring While Sitting

Sitting down makes your foot narrower and shorter than when bearing weight. Always measure while standing with your full weight distributed evenly on both feet, simulating how you'll actually wear the shoes.

Angling the Pen

Holding the pen at an angle rather than perpendicular to the paper adds extra length and width to your measurement, leading to shoes that are too large. Keep the pen or pencil straight up and down.

Only Measuring One Foot

Most people have one foot slightly larger than the other. If you only measure one foot, you risk buying shoes that don't fit your larger foot. Always measure both and use the larger measurement.

Guessing the Measurement

Estimate measurements or rounding can lead to wrong sizes. Be precise down to the millimeter or 1/16 inch. The difference between sizes is often less than 1 cm (0.4 inches).

When to Remeasure Your Feet

Your feet can change size over time. You should remeasure your feet:

Once a year: Adult feet can change slightly with age, weight changes, or medical conditions
After pregnancy: Many women's feet grow 0.5-1 full size during pregnancy and don't return to original size
After significant weight change: Weight loss or gain affects foot size as feet have fat tissue
If shoes feel different: If your shoes suddenly feel tight or loose, measure again
Children every 2-3 months: Kids' feet grow rapidly and need frequent checking
When buying from new brands: Different brands fit differently, so verify your measurement

Tips for Accurate Measurements

Use Centimeters: Centimeters are more universal and precise than inches. Most international size charts use centimeters as the base measurement. European, Japanese, and Chinese sizing systems are all based on centimeter measurements.

Foot Width Matters Too: Length isn't everything. If you have wide or narrow feet, check out our shoe width guide to understand width measurements and find brands that accommodate your foot shape.

Converting Measurements to Sizes

Once you have your foot length in centimeters, you can easily convert it to any international size system. Different countries use different sizing methods:

European (EU): Based on foot length, calculated as (foot length in cm × 1.5) + 2. For example, a 26 cm foot = EU 41.

US Men's: Based on barleycorn units, where each size is 1/3 inch. Complex formula based on foot length plus a constant offset.

US Women's: Numbered 1.5-2 sizes higher than men's for the same foot length.

UK: Similar to US but starts at a different offset point, typically 1 size smaller than US.

Japanese (JP): Uses actual foot length in centimeters. The simplest system - a 26 cm foot wears size 26 in Japan.

Convert Your Measurements to Sizes

Use our free shoe size converter to instantly convert your foot measurements to US, EU, UK, Japan, China, and Australia sizes.

Use Size Converter Tool →

Measuring Feet for Different Shoe Types

Athletic Shoes

For running and athletic shoes, you need extra toe room (about 1 cm or 0.5 inches) for forward foot movement during activity. Measure with athletic socks and consider sizing up 0.5 if you're between sizes.

Dress Shoes

Dress shoes typically fit more snugly. Measure with dress socks (thinner than athletic socks) and choose true-to-size or even slightly smaller if you prefer a fitted look.

Boots

Boots need extra room for thicker socks and to accommodate foot swelling during long wear. Measure with your thickest boot socks and consider sizing up 0.5.

Sandals and Flip-Flops

Measure barefoot for sandals. Your foot should fit completely on the footbed without hanging over edges. Some people prefer sizing down 0.5 in sandals for a more secure fit.

Last Updated: January 2025. Foot measurement techniques are universal and timeless. For brand-specific sizing, check individual brand guides as sizing standards may vary.