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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
Daily Calorie Needs Calculator
Estimate total daily calorie needs (TDEE) by combining the revised Harris-Benedict BMR formula with an activity multiplier. The number to eat at for maintenance, subtract from for fat loss, or add to for muscle gain.
Fill in the required fields to see your result.
Key differences
| VO2 Max Estimator | Daily Calorie Needs Calculator | |
|---|---|---|
| Category | Fitness | Fitness |
| Inputs required | 3 | 4 |
| Result | Estimated VO2 Max (ml/kg/min) | Daily Calories Needed (kcal) |
| 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. | Estimate total daily calorie needs (TDEE) by combining the revised Harris-Benedict BMR formula with an activity multiplier. The number to eat at for maintenance, subtract from for fat loss, or add to for muscle gain. |