Cardio Fitness (VO₂max) Calculator

Pick a field test, enter your numbers, and get VO₂max, category, and Zone-2.

Units

Imperial (lb, mi) Metric (kg, km)

Sex

Male Female

Age (years)

Weight (lb)

Resting HR (optional)

Test Type

1-mile time — Minutes

Seconds

End HR (bpm)

Run 1 mile (1.6 km) hard but steady; enter time + the HR you see at the finish.