Compare calculators
Both calculators run independently β change the inputs on either side to compare results.
Fitness
VO2 Max Estimator
Estimate VO2 max (maximum oxygen uptake) in ml/kg/min from a recent running performance β distance, time, and body weight. A field-test approximation of one of the most important cardiorespiratory fitness markers.
Fill in the required fields to see your result.
Fitness
Running Pace Calculator
Calculate running pace from total time and distance, converted to seconds per kilometer or per mile depending on unit selection. Use it to track training run efficiency, plan race goal paces, and compare performance across different distances.
Fill in the required fields to see your result.
Key differences
| VO2 Max Estimator | Running Pace Calculator | |
|---|---|---|
| Category | Fitness | Fitness |
| Inputs required | 3 | 5 |
| Result | Estimated VO2 Max (ml/kg/min) | Pace (sec/unit) |
| What it does | Estimate VO2 max (maximum oxygen uptake) in ml/kg/min from a recent running performance β distance, time, and body weight. A field-test approximation of one of the most important cardiorespiratory fitness markers. | Calculate running pace from total time and distance, converted to seconds per kilometer or per mile depending on unit selection. Use it to track training run efficiency, plan race goal paces, and compare performance across different distances. |