VO2max Calculator

It should work with most segments of a ride but is most accurate with efforts within a ride that are more steady by nature and after about 20 minutes of warmup.

min
W
bpm
bpm
kg
πŸ”₯

VO2Max (3-min)

-
watts
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VO2max

-
ml/kg/min
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Critical Power

-
watts
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W' (Anaerobic)

-
kJ

Max Power & Heart Rate Durations

Power Curve (W)
HR Curve (bpm)

Advanced VO2max estimation from single efforts - no max efforts required. Uses ACSM oxygen cost formula with CP/W' phenotype modeling and square root decay for HR profiles.