Compare calculators

Both calculators run independently — change the inputs on either side to compare results.

VO2 Max Calculator

Estimate your VO2 max — your body's maximum oxygen-processing capacity — from a timed run. Used by athletes and coaches to benchmark aerobic fitness and track training progress.

Test Type

Distance Covered (Cooper Test) (meters)

Recovery Heart Rate (Step Test) (bpm)

Gender

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Sports

One Rep Max Calculator

Find your theoretical one-rep maximum from a submaximal lift using four established strength formulas. Use the result to set training percentages for powerlifting, strength, or hypertrophy programs.

Weight Lifted (lbs)

Repetitions Performed (reps)

Calculation Formula

Training Percentage

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Key differences

	VO2 Max Calculator	One Rep Max Calculator
Category	Sports	Sports
Inputs required	4	4
Result	VO2 Max (ml/kg/min)	Training Weight (lbs)
What it does	Estimate your VO2 max — your body's maximum oxygen-processing capacity — from a timed run. Used by athletes and coaches to benchmark aerobic fitness and track training progress.	Find your theoretical one-rep maximum from a submaximal lift using four established strength formulas. Use the result to set training percentages for powerlifting, strength, or hypertrophy programs.