Zone Calculator
Use the area below to type in your average watts and heart rate from your field test
3 Min
8 Min
20 Min
WATTS
Threshold power:
HR
Threshold HR:
Calculate »
Zone
RPE
WATTS
HR
1
5
WATTS
HR
2
6
WATTS
HR
3
7
WATTS
HR
4
8
WATTS
HR
5
9
WATTS
HR
5+
10
WATTS
HR