Sports

VO2max Calculator — Cooper Test

Q: What is a good VO2max for my age?

For **30-year-old men**: good is 39–44 ml/kg/min, excellent is 45–49. For **30-year-old women**: good is 34–38, excellent is 39–44. VO2max decreases ~1% per year after 25 if you don't train, but with regular exercise you can maintain or even improve it until age 50–60.

Q: How many meters should I run in 12 minutes for a good result?

For a **30-year-old man**, 'good' category requires VO2max ~39–44, equivalent to ~**2,250–2,475 m** in 12 min. For 'excellent' (~45+), you'd need ~**2,520+ m**. For a 30-year-old woman, 'good' requires ~**2,025–2,205 m**.

Q: Is the Cooper test reliable compared to a lab test?

It has a **correlation of r = 0.90** with direct measurements, which is quite high for a field test. The typical error is ±3–5 ml/kg/min. For clinical or elite athletic use, ergospirometry is preferred, but for recreational use and personal tracking, Cooper is excellent.

Q: Can I do the Cooper test on a treadmill?

**Yes**, but set it to **1% incline** to simulate air resistance. Treadmill distance is usually slightly greater than on a track because there's no wind or curves. If you always do it on a treadmill, at least comparisons between tests will be valid.

Q: How does altitude affect the Cooper test?

Higher altitude means less available oxygen. At **2,500 m**, your performance drops ~**8–12%** vs. sea level. At sea-level cities there's no effect. At 750 m the effect is minimal (~1–2%).

Q: How often should I repeat the Cooper test?

Every **6–8 weeks** is a reasonable interval to see improvements. Doing it more often doesn't make sense because VO2max doesn't change in short periods. Make sure conditions are similar (same place, time of day, rest state, temperature) for valid comparison.

Q: What VO2max do professional athletes have?

Elite cyclists and distance runners reach **70–85 ml/kg/min**. Eliud Kipchoge is estimated at ~78. Cross-country skiers lead: Bjørn Dæhlie had ~96. A professional soccer player is around 55–65. A sedentary adult averages 30–40. The highest recorded VO2max was ~97 ml/kg/min (Oskar Svendsen, Norwegian cyclist).

Calculator Free · Private

Reviewed by: Martín Rodríguez (política editorial ) · Last reviewed: 20 may 2026

Was this calculator helpful?

The Cooper 12-minute run is the most widely used US field test of cardiorespiratory fitness. Designed in 1968 by Dr. Kenneth H. Cooper, an Air Force flight surgeon who later founded The Cooper Institute (Dallas, Texas), it estimates VO2max from the distance you cover in 12 minutes on a flat track. The American College of Sports Medicine (ACSM) classifies results by age and sex, and the Cooper Institute's longitudinal data (80,000+ Americans) shows VO2max is one of the strongest predictors of cardiovascular and all-cause mortality.

Last reviewed: May 19, 2026 Verified by Martín Rodríguez Source: The Cooper Institute (Dallas, TX) — Cardiorespiratory Fitness and Longitudinal Mortality Research, American College of Sports Medicine — ACSM's Guidelines for Exercise Testing and Prescription (VO2max Classifications), American Heart Association — Cardiorespiratory Fitness as a Vital Sign (Scientific Statement), Cooper KH — A Means of Assessing Maximal Oxygen Intake (JAMA, 1968), CDC — Physical Activity and Cardiovascular Health 100% private

When to use this calculator

You want to know your aerobic capacity without going to a lab.
You need a fitness baseline to measure training progress.
Your coach asked you to do a Cooper test to plan your program.
You want to compare your VO2max with age and sex standards.
You're preparing for a firefighter, police, or military fitness test.

Example: 30-year-old man running 2,400 m in 12 min

Distance: 2,400 meters in 12 minutes.
Formula: VO2max = (2400 − 504.9) / 44.73.
VO2max: 1895.1 / 44.73 = 42.4 ml/kg/min.
Category: 'Good' for a 30-year-old male (range 39–48).

Result: Estimated VO2max: 42.4 mL/kg/min — category "Good" per ACSM/Cooper Institute norms for a 30-year-old male. To reach "Excellent" (≥ 49 mL/kg/min) you'd need to cover ≈ 2,700 m (1.68 mi) in 12 minutes.

How it works

2 min read

What Is VO2max

VO2max (maximum oxygen uptake) is the maximum amount of oxygen your body can use per minute during intense exercise. It's expressed in ml of O2 per kg of body weight per minute (ml/kg/min).

It's considered the gold standard of cardiovascular fitness and one of the best predictors of:

Cardiovascular disease risk

All-cause mortality

Endurance sport performance

The Cooper Formula

Kenneth Cooper, a US Air Force physician, published this formula in 1968:

VO2max (ml/kg/min) = (distance_meters − 504.9) / 44.73

The formula has a correlation of r = 0.90 with direct VO2max measurements in a lab (indirect calorimetry with gas mask). It's the most scientifically validated field test.

How to Do the Test Correctly

1. Location: athletic track (400 m) or a flat, measured course.
2. Warm-up: 10 min of easy jogging + joint mobility.
3. Execution: run the longest distance possible in exactly 12 minutes.
4. Strategy: start at a pace you can sustain. Don't sprint off the line.
5. Measurement: at 12 min, mark where you stopped and measure the distance.
6. Cool-down: walk 5–10 min, don't stop abruptly.

Classification Tables by Age and Sex

Men (VO2max in ml/kg/min)

Age	Very poor	Poor	Fair	Good	Excellent	Superior
20–29	< 33	33–36	37–41	42–45	46–52	> 52
30–39	< 31	31–34	35–38	39–44	45–49	> 49
40–49	< 28	28–31	32–35	36–41	42–46	> 46
50–59	< 25	25–28	29–32	33–38	39–43	> 43
60+	< 22	22–25	26–29	30–35	36–40	> 40

Women (VO2max in ml/kg/min)

Age	Very poor	Poor	Fair	Good	Excellent	Superior
20–29	< 28	28–31	32–35	36–40	41–46	> 46
30–39	< 26	26–29	30–33	34–38	39–44	> 44
40–49	< 24	24–27	28–31	32–36	37–41	> 41
50–59	< 21	21–24	25–28	29–33	34–38	> 38
60+	< 18	18–21	22–25	26–30	31–35	> 35

VO2max and Life Expectancy

Longitudinal studies from the Cooper Institute (Dallas) with over 80,000 participants across 30+ years showed that:

Each 1 MET (3.5 ml/kg/min) improvement in VO2max reduces mortality by 13–15%.

People in the highest fitness percentile have 5–7 more years of life expectancy.

VO2max is a stronger mortality predictor than smoking, diabetes, or hypertension.

How to Improve Your VO2max

1. High-intensity intervals: 4–6 × (3–5 min at 90–95% HR max + 2–3 min recovery). Known as 'Billat intervals.'
2. Long steady runs: 60–90 min at conversational pace, 1–2 times per week.
3. Consistency: VO2max improves ~5–15% in 6–8 weeks of regular training.
4. Lose weight: since it's relative to weight (ml/kg/min), reducing body fat improves the number.
5. Altitude: training at moderate altitude (1,500–2,500 m) stimulates red blood cell production.

Limitations of the Cooper Test

Requires maximum motivation: if you don't give your all, the result underestimates your VO2max.

Not accurate for highly untrained or injured individuals.

Surface (track vs. road vs. trail) affects distance.

Weather (heat, wind, altitude) alters the result.

People with high body weight are at a disadvantage (VO2max is weight-relative).

Frequently asked questions

What is a good VO2max for my age?

For 30-year-old men: good is 39–44 ml/kg/min, excellent is 45–49. For 30-year-old women: good is 34–38, excellent is 39–44. VO2max decreases ~1% per year after 25 if you don't train, but with regular exercise you can maintain or even improve it until age 50–60.

How many meters should I run in 12 minutes for a good result?

For a 30-year-old man, 'good' category requires VO2max ~39–44, equivalent to ~2,250–2,475 m in 12 min. For 'excellent' (~45+), you'd need ~2,520+ m. For a 30-year-old woman, 'good' requires ~2,025–2,205 m.

Is the Cooper test reliable compared to a lab test?

It has a correlation of r = 0.90 with direct measurements, which is quite high for a field test. The typical error is ±3–5 ml/kg/min. For clinical or elite athletic use, ergospirometry is preferred, but for recreational use and personal tracking, Cooper is excellent.

Can I do the Cooper test on a treadmill?

Yes, but set it to 1% incline to simulate air resistance. Treadmill distance is usually slightly greater than on a track because there's no wind or curves. If you always do it on a treadmill, at least comparisons between tests will be valid.

How does altitude affect the Cooper test?

Higher altitude means less available oxygen. At 2,500 m, your performance drops ~8–12% vs. sea level. At sea-level cities there's no effect. At 750 m the effect is minimal (~1–2%).

How often should I repeat the Cooper test?

Every 6–8 weeks is a reasonable interval to see improvements. Doing it more often doesn't make sense because VO2max doesn't change in short periods. Make sure conditions are similar (same place, time of day, rest state, temperature) for valid comparison.

What VO2max do professional athletes have?

Elite cyclists and distance runners reach 70–85 ml/kg/min. Eliud Kipchoge is estimated at ~78. Cross-country skiers lead: Bjørn Dæhlie had ~96. A professional soccer player is around 55–65. A sedentary adult averages 30–40. The highest recorded VO2max was ~97 ml/kg/min (Oskar Svendsen, Norwegian cyclist).