Swim Pace Calculator
Free swim pace calculator. Solve pace, distance & time, convert yards to meters, build race split tables, and find your CSS threshold from a 400 m test.
Free swim pace calculator with five tools in one: distance/time/pace solver, 100 m ↔ 100 yd pace converter, race-pace split table from 25 m to 1 mile, pool-length lap calculator, and CSS (Critical Swim Speed) threshold estimator from a 200 m + 400 m test. Works for triathletes, masters swimmers, and pool swimmers in metric or yard pools.