You can also check your heart rate against your perceived Zone 2 level. If your perceived Zone 2 level matches up with the heart rate numbers you get from the previous equation, then you’re good to go. You can use either.
If your heart rate and perceived exertion are not particularly close, we recommend going with perceived exertion as your first option.
In the end, most people find that the perceived exertion works fine. And it is surprisingly accurate.
