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Free compression sizing helper for knee-high socks, calf sleeves, arm sleeves, and compression tops. Enter girth measurements in inches or cm; we map to generic XS–XXL bands and flag when you are near a boundary. Pair with our suit size calculator for tailored clothing—not a replacement for medical fitting.
Last updated: April 11, 2026
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Suggested letter size (generic)
M
Knee-high compression socks
Brands use different grade charts and numeric systems (e.g. I–IV). Always verify against the tag or website for the exact product you are buying.
Primary
Calf girth
Ankle helps you sanity-check brands that publish ankle ranges per size.
Widest calf
Same band as socks
Athletic sleeves often follow similar circumferential logic to socks.
Relaxed arm
No flex
Flexing inflates the reading and can oversize the sleeve.
Fullest point
Unisex bands
Women’s-specific charts may differ; use this as a first pass.
~1 cm from next band
Try-on tip
Elastic garments feel different by fabric and knit tension.
Disclaimer
Pro fitting
Prescribed compression and edema management need clinician oversight.
Knee-high socks, calf 37 cm, ankle 23 cm → about size M in this generic band system.
Measurements are converted to centimeters if you choose inches, then compared to simple overlapping bands derived from common athletic-compression marketing ranges. Socks and calf sleeves share calf girth logic; arm sleeves use a separate bicep table; tops use chest girth. The tool cannot know a brand’s stretch, paneling, or numeric medical classes—those require the manufacturer PDF or a fitter, alongside other lifestyle calculators for general body metrics.
Tailored clothing? Use the suit size calculator.
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Suggested hashtags: #Compression #Sizing #Fitness #Recovery #Calculator