Got a measuring tape or ruler? That'll work.

See our measuring instructions or print out our easy to use FitKit®. If you don't have a measuring tape, a piece of paper and a regular ruler will do the trick.

Measure while fully erect. When you know your length and girth (a.k.a. circumference), enter them here, and voila! There's your size code!

Most people get their size code right the first time, but for some it takes a few tries. That’s why we offer the free sample kit, so you can test a few sizes before you buy or subscribe. You can also contact our size specialists who’d be happy to recommend a size based on your measurements.

Why do we use mm instead of inches? The condom production process uses mm, and it tends to be a little more accurate. Here's an inches to mm converter to help you out just in case.