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THE FITNESS SHELF
Your fitness toolkit.
Find your running pace, estimate your lifting max, or work out your daily calories.
Daily caloriesEstimate maintenance calories.
Lifting maxEstimate your one-rep max.
Running paceCalculate finish times and splits.
Adult BMICheck your BMI and its limits.“The first wealth is health.”
Free to use
Open any tool and start calculating. No account needed.
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Calculations run in your browser. Save records locally if you choose.
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See how we calculate each result, including the assumptions and sources.
Read our approach