19+ Maffetone Method Calculator. Calculate your maximum aerobic function (maf) heart rate using phil maffetone's method, which considers your age and fitness level. To implement the maffetone method, start by following dr.

This calculator uses the maf 180 formula developed by dr. Enter your age, resting heart rate, and other factors to get your. Calculate your max aerobic heart rate using the maf 180 formula.








