reputable organizations have mostly backed away from the idea of “calculating” your max heart rate. Runner’s World took down its target heart rate calculator. The American Council on ...

There are a couple ways to calculate your zone 2 heart rate by age. The most common formula for estimating your maximum heart ...

HR maximum So if you were 28 years old, for example, you would calculate 0.7 x 28 (which is 19.6), and take that away from 207, making 187.4 - that would be your maximal heart rate. Now you know ...