Wetsuit Size Calculator
Find your wetsuit size from your height and weight using a standard size chart. Get the size letter (e.g. MS, ML, L) for a snug, warm fit.
M
Men's generic size chart
| Size | Height | Weight |
|---|---|---|
| XS | <168 | <60 kg |
| S | 165–173 | 58–68 kg |
| MS | 168–175 | 64–72 kg |
| M | 173–180 | 68–77 kg |
| ML | 175–183 | 73–82 kg |
| L | 178–188 | 79–88 kg |
| XL | 183–193 | 86–98 kg |
| XXL | 188+ | 95+ kg |
Note: This is a generic chart — every brand sizes slightly differently, so always check the specific manufacturer's chart. A wetsuit should be snug with no loose pockets that flush water.
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Calculation Method
A wetsuit only keeps you warm if it fits properly. Too loose and cold water flushes through, robbing your body heat; too tight and it restricts breathing and movement. This wetsuit size calculator uses your height and weight to recommend a size from a generic men's or women's chart — a reliable starting point before you check a specific brand.
How Wetsuit Sizing Works
Unlike clothing, wetsuits are sized on a two-dimensional grid of height and weight together. Both must fall in range, because the suit has to stretch over your torso length and hug your girth. The calculator finds the size where both measurements overlap; if your proportions fall between charts, it leans on weight, which most affects the seal.
Men's Wetsuit Size Reference
| Size | Height | Weight |
|---|---|---|
| S | 165–173 cm | 58–68 kg |
| MS | 168–175 cm | 64–72 kg |
| M | 173–180 cm | 68–77 kg |
| ML | 175–183 cm | 73–82 kg |
| L | 178–188 cm | 79–88 kg |
| XL | 183–193 cm | 86–98 kg |
What “MS” and “ML” Mean
Wetsuit brands add half-sizes that clothing doesn't have. MS (medium-short) suits a medium build with a shorter torso or legs, while ML (medium-large) fits a medium girth on a taller frame. These exist because a 5 mm difference in fit is the line between warm and shivering.
How a Good Fit Should Feel
- Snug everywhere — like a firm second skin, with no loose folds at the lower back, knees, or armpits.
- No gaps at the neck, wrists, or ankles where water could flush in.
- Full range of motion — you can swing your arms overhead and squat without the suit choking you.
- It will feel tight on land; neoprene loosens slightly in the water.
Why Brands Differ
A “medium” is not standardized across the industry. Each manufacturer cuts to a slightly different body model and uses neoprene with different stretch. Always cross-check this recommendation against the exact chart for the suit you're buying, and read fit reviews when ordering online.
Disclaimer: This is a generic size chart for guidance only. Sizing varies significantly between brands and even between models, so always confirm with the specific manufacturer's chart and, ideally, try the suit on before buying.
Frequently Asked Questions
A wetsuit should fit like a second skin: snug everywhere with no loose folds or gaps, especially at the lower back, but not so tight it restricts breathing or shoulder movement. A snug fit keeps a thin warming layer of water in place.
Wetsuit sizes are based mainly on height and weight, with chest measurement as a tiebreaker. Enter your height and weight to find the chart size; if you fall between sizes, prioritize the one that matches your height.
Letters combine a size and a build: MS is Medium Short (medium build, shorter height) and ML is Medium Large (medium build, taller height). They help taller or shorter people of the same weight get the right length.
How should a wetsuit fit?
How do I find my wetsuit size?
What do wetsuit sizes like MS and ML mean?
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