💪 Workout Calculators

One rep max, pace calculator, heart rate zones, calories burned, training volume, rest periods, and progressive overload.

One Rep Max Calculator

Estimate your one-rep max (1RM) for any lift using the Epley, Brzycki, and Lombardi formulas. Know your max without the injury risk of testing it.

Pace Calculator (Running)

Calculate your running pace, finish time, or distance. Enter any two values to solve for the third. Covers miles and kilometers.

Heart Rate Zone Calculator

Calculate your five heart rate training zones based on your maximum heart rate. Train in the right zone for your goal — fat burn, cardio, or peak performance.

Calories Burned Calculator

Estimate how many calories you burn during exercise based on your weight, activity type, and duration. Uses MET (Metabolic Equivalent) values.

Weightlifting Volume Calculator

Calculate your total training volume (sets x reps x weight) for a workout or exercise. Track volume over time to ensure progressive overload.

Rest Period Calculator

Get the optimal rest period between sets based on your training goal (strength, hypertrophy, or endurance) and exercise type.

Progressive Overload Calculator

Plan your progressive overload for the next 4-12 weeks. Enter your current numbers and get a week-by-week progression plan for weight or reps.