VO2 Max Calculator

Estimate VO2 max from a 12-minute Cooper test, then convert the result into heart-rate zones and a simple weekly training structure.

Last updated: 2026-03-16

VO2 max calculator

Enter your values

Estimate VO2 max from a 12-minute run, then convert it into heart-rate zones and a simple weekly training structure.

Estimated VO2 Max

Enter your Cooper test distance and resting heart rate to estimate VO2 max and training zones.

Calculation History (0)

No calculations yet. Complete a calculation to see it here.

Example calculations

Tap an example to prefill the calculator with sample values.

New runner

2,100 meters, 3 days per week

A beginner using a Cooper test to anchor a basic aerobic block.

Result: VO2 max around 35 with a simple aerobic-first weekly plan

Strong recreational athlete

2,700 meters, 4 days per week

A consistent endurance athlete building more structure around intensity.

Result: VO2 max around 49 with clearer Zone 2 and Zone 4 targets

Race-specific block

3,000 meters, 5 days per week

A higher-level athlete moving into a race-focused training phase.

Result: VO2 max in the mid-50s with two quality sessions per week

How to use the estimate

The primary number is an endurance marker, but the more actionable outputs are the heart-rate zones and weekly training structure. Those help turn a field test into sessions you can actually use.

Treat the weekly plan as a template. If you are already handling a structured block from a coach, use the zone targets here as a cross-check rather than a replacement.

VO2 max calculator FAQs

The estimate is most useful when you understand what it is and what it is not.

What is VO2 max?

VO2 max is an estimate of how much oxygen your body can use during hard exercise. It is often used as a shorthand marker for endurance fitness, but it is only one piece of performance.

Why use a 12-minute run test?

The Cooper test is a practical field method. It is not the same as a lab gas-analysis test, but it gives a useful estimate without special equipment and works well for setting training zones.

Are the heart-rate zones exact?

No. They are training estimates based on age-predicted max heart rate and heart-rate reserve. If you have tested max heart rate data or use power and pace metrics, those can refine the zones further.

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Disclaimer

This VO2 max calculator is an educational estimate based on field-test data. It is not a medical assessment or a substitute for lab testing or coaching guidance.

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