Fitness gadgets and apps (and books and other sources of fitness advice) try to skip that step by using a formula that ...

The most common way to find your maximum heart rate is by using one of the many age-based equations. The most well-known of these is the very simple Fox formula: 220 - age = maximum heart rate ...

By keeping track of their heart rate during exercise, people may be able to maximize their fitness or weight loss goals. This article provides formulas ... and 85% of their maximum heart rate ...

This leads to fat loss. Your fat-burning heart rate is at about 70% of your maximum heart rate. Your estimated maximum heart rate is the maximum number of times your heart should beat during activity.

Heart rate zones represent different percentages of your maximum heart rate ... Heart rate zones can offer a formula to help guide you in your workouts. They represent a range of heartbeats ...

A heart rate reading above what you thought was your max HR would indicate that this number was not your true max HR. Age-predicted formulas (e.g., 220 minus your age) are helpful, but they are an ...