Clothing Size Converter
Turn a body measurement into a letter size for shirts or waists.
Quick answer: enter your details below and click Find My Size — your result appears instantly, right here in your browser. Nothing you enter is uploaded or stored.
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Enter your details below.
How to use
- Enter the measurement in inches.
- Choose chest or waist.
- Click Find My Size for the letter size.
About this tool
Enter a measurement in inches and choose whether it is a chest or waist measurement, and the tool maps it to a letter size with standard ranges. Letter sizes vary by brand and cut, so use the result to narrow your choice, then check the brand's size chart.
Frequently asked questions
Should I measure over clothes?
No. Measure over light clothing or underwear, with the tape snug but not tight, for the most useful result.
What if I am between sizes?
Choose the larger size for comfort, or check the brand's exact measurements for that garment.