Free Fitness Calculators

With these free fitness calculators, you can measure your heartrate, find your heartrate zone, know if your blood pressure is high or low, discover if you are at risk for disease, calculate you %of body fat from calipers, find an approximate 1 rep maximum weight for you, and get your basal metabolic rate (BMR) to know the amount of calories you should consume each day.

Whew! These fitness calculators could keep you busy all day! Just be patient, some of these calculators take a long time to load.

Heart Rate Training Calculators

Heart Rate Zone Article This article and free calculator will give you all the tools you need for finding your target heart rate zone when exercising.

Find Your Target Heart Rate

Heart Rate Zone Calculator

Weight Training Calculator

1 Rep Maximum Calculator This free one rep max calculator allows you to calculate your theoretical 1 rep max, based on how much weight you've used before. Just enter the amount of weight you did, and the number of reps you did. It will estimate how much you could lift once. This is only an estimate -- use common sense and don't try to lift a certain amount of weight based on this estimate! Always use a spotter!