Performance & Training Calculators
Optimize workouts with pacing, heart rate, and strength tools.

Performance
One Rep Max Calculator
Estimate 1RM and training zones safely.
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Performance
Heart Rate Zones Calculator
Calculate training zones from max or resting heart rate.
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Performance
Target Heart Rate Calculator
Calculate target heart rate ranges for cardio training.
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Performance
Max Heart Rate Calculator
Estimate max heart rate using age-based formulas.
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Performance
VO2 Max Calculator
Estimate cardiovascular fitness using the Rockport test.
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Performance
Running Pace Calculator
Convert time and distance into pace and speed.
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Performance
Calories Burned Calculator
Estimate workout calorie burn from activity and time.
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Performance
Calories Burned Walking Calculator
Estimate calories burned while walking.
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Performance
Calories Burned Running Calculator
Estimate calories burned while running.
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Performance
Calories Burned Cycling Calculator
Estimate calories burned while cycling.
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Performance
Calories Burned Swimming Calculator
Estimate calories burned while swimming.
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Performance
Steps to Calories Calculator
Estimate calories burned from daily steps.
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Performance & Training
ACFT Score Calculator
Calculate your Army Combat Fitness Test score across all 6 events with gender-normed scoring tables.
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