Find the mouse that fits your hand.

Yes. There are no accounts and nothing to sign up for. Your answers stay in your own browser, so the next visit picks up where you left off.

Length runs from the crease of your wrist to the tip of your middle finger. Width runs across your knuckles, thumb excluded. A ruler works, or the measure page can read both from a photo.

Hold your mouse the way you normally would. If your whole palm rests on it, that's palm. If only the back of your palm touches and your fingers arch, that's claw. If only your fingertips touch, that's fingertip.

It's how close a mouse's length, width and height sit to the ideal for your hand and grip. A mouse has to suit you on every count, so one that's badly off in one size can't make up for it elsewhere.

The ranges are a starting point, not a rule. Name that mouse in the form and say it feels just right, and your ideal shifts toward it.

Yes. Choose left hand and ergonomic mice shaped for the right hand drop out. Symmetrical mice with side buttons on the wrong side are flagged on their card.

Most come from an independent catalogue of measured mice. Where a brand publishes length, width, height and weight on its own product page, those official numbers take priority. Both are checked twice a week.

Some buy links are affiliate links, including Amazon's. That never changes a score: the ranking is the fit, and nothing else.