Fitness Calculators
The GymNation fitness calculators help make your life easy! Whether you want to calculate BMI, use the calorie calculator, workout your BMR using our BMR calculator, or even figure out how much you should be lifting with our 1 rep max calculator - the GymNation fitness calculators have the answer.
At GymNation, it's not just all about your gym membership, we want to help you improve in all aspects of your life, both inside and outside of the gym!
Find and click on the relevant fitness calculator below, enter your details and start using our fitness calculators to put your fitness first TODAY!

BMI Calculator

BMR Calculator

Calorie Calculator

One-Rep Max Calculator

Lean Body Mass Calculator

VO2 Max Calculator

Maximum Heart Rate Calculator

Recommended Creatine Calculator

TDEE Calculator

Metabolic Rate (RMR) Calculator

Water Intake Calculator

Macronutrient calculator

Fat Intake Calculator

Carbohydrate calculator

Nutrition Calculator

Time, Pace and Distance Calculator
