One rep max calculator and more

1RM, Strength, Pace & Calorie Calculator

Your one-stop tool for one rep max, strength level, pace & calorie counting

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Our Calculators

Use our detailed tools to determine your one rep max, assess your strength level, calculate your pace, and discover how many calories you should eat.

Calorie Calculator

Find out how many calories you should eat to maintain or adjust your weight. Enter your weight, age, height, and gender.

One Rep Max Calculator

Determine your maximum lifting capacity and strength level. Enter the weight lifted and the number of repetitions.

Pace & Race Predictor

Calculate your running pace and predict race times. Enter your time (HH:MM:SS or minutes) and distance. The entered distance is used for all calculations.