Convert swimming pace between min/100m, min/100yd, sec/100m, sec/100yd and m/s instantly.

Predict swim race finish times for 50m, 100m, 200m, 400m, 800m and 1500m using the Riegel formula.

Estimate calories burned during swimming by stroke type and intensity using METs values.

Calculate your SWOLF swimming efficiency score from time and stroke count per pool length.