[ heart & recovery.tools ]
Heart rate as a training input rather than a number on a watch: zones, maximum, and the field tests that estimate what your engine can do.
Cooper test calculator: run 12 minutes, enter the metres, get your VO2 max from (distance minus 504.9) divided
Harvard step test calculator: 5 minutes on a 20 inch step at 30 steps a minute, three recovery pulse counts, a
Calculate your five heart rate training zones three ways: percent of max HR, Karvonen with resting HR, or thre
Max heart rate calculator with three formulas side by side: 220 minus age, Tanaka and Gulati. A table by age s
Queens College step test calculator with the McArdle 1972 equations: 3 minutes of stepping on a 16.25 inch ben
Rockport walk test calculator using the Kline 1987 equation: walk one mile as fast as you can, enter your time
Estimate your VO2 max from the Cooper 12-minute run test. Free VO2 max calculator, no lab, no sign-up. Plus ho
The Zone 2 Calculator gives you a starting heart rate band from your max HR or age, then verifies your real ce