Fitness Calculators
35 calculators
The Fitness category offers training calculators, starting with the target heart rate zone (Karvonen formula), complementing the Sport category.
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More recovery and training calculations will be added to this category.
Cardio & recovery
Heart rate, VO2max, and calories. (8 calculators)
Strength training
1RM, loads, rest, and training volume. (20 calculators)
1RM Calculator: Epley vs Brzycki ComparisonACWR Calculator (Acute:Chronic Workload Ratio)Bench Press / Squat Ratio CalculatorEstimated Reps at a Given Load CalculatorFat-Free Mass Index (FFMI) CalculatorHamstring/Quadriceps Ratio CalculatorHip Adductor/Abductor Strength Ratio CalculatorLimb Symmetry Index (LSI) CalculatorLoad from 1RM Percentage CalculatorOne-Rep Max (1RM) CalculatorProgressive Overload CalculatorPush/Pull Ratio CalculatorRecommended Weekly Training Volume CalculatorRest Time Between Sets CalculatorShoulder Rotator Strength Ratio CalculatorSkinfold Body Fat Calculator (Jackson-Pollock)Strength-to-Weight Ratio CalculatorTraining Volume CalculatorVertical Jump Power Calculator (Sayers Formula)Wilks Score Calculator