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Fitness Calculator

  • Target Heart Rate (THR)
  • Body Mass Index (BMI)
  • Body Fat Percent (BFP)
  • Basal Metabolic Rate (BMR)
  • Caloric Usage
  • Summary
Target Heart Rate Calculator

Maximize the benefits of cardiovascular activity when you exercise in the zone of your target heart rate (THR).

Resting Heart Rate

Lower Limit

Target HR

Upper Limit

Calculator by Zapus
Body Mass Index Calculator

Body mass index (BMI) is a measure of body fat based on height and weight that applies to adult men and women.

Imperial (lbs, inches)
Metric (kg, cm)


Calculator by Zapus
Body Fat Calculator

Calculate your Body Fat as a percentage (lbs or kg - inches or cm).

Imperial (inches) Male
Metric (cm) Female

Body Fat Percent

Calculator by Zapus
Basal Metabolic Rate Calculator

Basal Metabolic Rate Calculation.

Imperial (lbs, inches) Male
Metric (kg, cm) Female


Calculator by Zapus
Caloric Usage Calculator

Calculate your total energy expenditure in calories using your calculated BMR.

Lightly Active
Moderately Active
Very Active
Extra Active
Calculated BMR

Calories Burnt

Calculator by Zapus
Health Summary

This is your calculated health summary.

Target Heart Rate:
Body Mass Index:
Body Fat:
Basal Metabolic Rate:
Calculator by Zapus

Keeping track of your progress is important, here are some fitness calculators to keep you on track. 
If you get stuck contact This email address is being protected from spambots. You need JavaScript enabled to view it. for more details.


Caloric Usage;
Sedentary walking around at work and home) 
Light Active (walking approx half a mile to work or standing up at work or home) 
Moderately Active (Walking or Jogging to work Or 1 - 2 Good Gym or Fitness/Sport sessions a week)
Very Active (3 - 4 Gym sessions a week and up to 10 training sessions a week including High performance running / Fitness)
Extra Active (Professional athletes standard working out 5 hours a day 5 x a week or equal too)

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