🛠️ Free Tools
Free Tools
Professional calculators for personal trainers. 100% free, no signup, no limits.
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1RM Calculator
Estimate your one-rep max using 4 scientific formulas.
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TDEE Calculator
Calculate total daily energy expenditure and calorie targets.
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Macro Calculator
Optimal protein, carb, and fat distribution for your goals.
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BMI Calculator
Calculate Body Mass Index with visual scale.
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Body Fat Calculator
Estimate body fat percentage using the Navy Method.
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Protein Calculator
Find your daily protein needs based on your goals.
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RPE Calculator
Convert RPE to loads and estimate 1RM with autoregulation.
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Ideal Weight Calculator
Compare results from 4 classic formulas.
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Heart Rate Zones
Calculate your 5 cardio training zones.
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Water Intake Calculator
Discover how much water you need daily.
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PT Income Calculator
Project your income as a personal trainer.
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