Calculators
Fitness Calculators
Drag the sliders or type a value — results update instantly.
Calculate Your 1 Rep Max
Use the Epley formula to estimate your one-rep max and training weights.
100 kg
8
Your Results
Estimated 1 Rep Max
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| Reps | Weight | % of 1RM |
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Enter a weight and rep count to see your results
Pound ↔ Kilogram Converter
Drag either slider or type a number — the other side updates automatically.
150 lb
68 kg
BMR & Daily Calorie Calculator
Estimate your Basal Metabolic Rate and total daily calories using the Mifflin-St Jeor equation.
30 yrs
70 kg
175 cm
Your Results
Basal Metabolic Rate
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TDEE: —
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Adjust the sliders to see your estimated BMR