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Calculators

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Bodyfat Calculator Your Waist Size Inches Centimeters Your Weight Pounds Kilos Your Sex Male Female Percent Bodyfat % Fat Weight Lean Weight Resting Metabolic Rate calories This formula comes from The Bodyfat Guide by Ron Brown

One-Rep Max Calculator Weight Lifted Number of Reps 2 3 4 5 6 7 8 9 Predicted One-Rep Max This formula comes from A Practical Approach to Strength Training by Matt Brzycki