Enter Avg Power from the last 20 minutes of your TT test here: Watts
Enter Avg Heart Rate from the last 20 minutes of your TT test here: BPM
Zones Energy Wattage Range
01 Recovery 55% Less than Watts
02 Endurance 56%-75% Watts
03 Tempo 76%-90% Watts
04 Threshold 91%-105% Watts
05 Aerobic Power 106%-120% Watts
06 Anerobic Capacity >121% higher Watts
07 Neuromuscular N/A N/A N/A Watts
Zones Energy Heart Rate Range
01 Recovery <68% BPM
02 Endurance 69%-83% BPM
03 Tempo 84%-94% BPM
04 Threshold 95%-105% BPM
05 Aerobic Power >106% higher BPM
06 Anerobic Capacity N/A N/A N/A BPM
07 Neuromuscular N/A N/A N/A BPM
Your Functional Threshold Power (FTP) is

Learn how to test for power and heart Rate training zones

4 Comments on “Power and HR Zone Calculator”

    1. Sorry, we have had some back end problems with the site. Once fixed I will fix the calculator. I will comment when fixed.

  1. Sorry for the delay. We have been busy with performance tuning and new athletes. The calculators are working again.

  2. Did the test on the road with a Quarq, forgot to calibrate it. Previous FTP Tests have been an two 8minute tests using a Stages power meter. It was very windy, both head wind and cross wind. I felt like I had more in the tank for the first 10 minutes and probably still had to much energy left until the end. I tried to really hammer for the last 3 minutes.

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