Aerobic Threshold Calculator
Determine your aerobic threshold for optimal Zone 2 training and endurance development.
Your Parameters
years
bpm
Measured at complete rest
bpm
If you have lab test results
Aerobic Threshold
138
beats per minute
Range: 133 - 143 bpm
% Max HR
73%
% HRR
60%
MAF HR
150 bpm
Est. Lactate
2 mmol/L
Aerobic Threshold Training
Zone 2 range: 132 - 151 bpm
Corresponds to ~2 mmol/L blood lactate
Can maintain conversation while exercising
Burns primarily fat for fuel
Builds mitochondrial density
Recommended: 80% of training time