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Lactate Threshold Calculator
Enter six incremental blood-lactate stages and interpolate transparent LT1 and LT2 fixed-concentration reference intensities.
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Aerobic Performance Calculators
CalculatorGeek aerobic performance tools.
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FTP Calculator
Estimate cycling FTP and W/kg from a selected field-test protocol, then review the exact multiplier…
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Swim CSS Calculator
Calculate critical swim speed from 400 and 200 time trials with pace references, projected 1,500…
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Endurance Performance Index Calculator
Compare an endurance result with a same-course benchmark and calculate transparent distance-plus-ascent course effort.
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VLaMax Calculator
Estimate maximal blood-lactate accumulation rate from pre-sprint and peak samples, sprint duration, and an explicit…
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