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HR ZONES
AGE AND RESTING HR
FOX ZONES
GULATI ZONES
TANAKA ZONES
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AGE AND RESTING HR

​
DI
david irick
Under construction....laptop is charging : )
click on the numbers below and change them to your digits!
Enter your age here:
49
⁠
Enter your resting Heart Rate here:
46
⁠
This number should decrease as you get fitter!
Your maxHR and zones according to the various methods....
The first one (Karvonen Formula) is probably the most valid because it uses your resting heart rate in the calculations. I used the Gulati (recommended for women) method to calculate the maxHR for you, and the Tanaka method to calculate the maxHR for me.
ZONES ARE COLOR CODED
ZONE 1 50% - 60%
ZONE 2 60% - 70%
ZONE 3 70% - 80%
ZONE 4 80% - 90%
ZONE 5 90% - 100%

KARVONEN
8
AGE
RESTING HR
MAX HR / GULATI
ZONE 1 KARVONEN
ZONE 2 (60%-70%) KARVONEN WOMEN
ZONE 3 KARVONEN
ZONE 4 KARVONEN
ZONE 5 KARVONEN
1
49
46
163
104.44 - 116
116 - 128
128 - 139.50400000000002
139.50400000000002 - 151.192
151.192 - 163
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1
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⁠
FOX
8
AGE
MAX HR / FOX
ZONE 1 (50%-60%) FOX
ZONE 2 (60%-70%)FOX
ZONE 3 (70%-80%) FOX
ZONE 4 (80%-90%) FOX
ZONE 5 (90%-100%) FOX
1
49
171
85.5 - 103
103 - 120
120 - 137
137 - 154
154 - 171
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1
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⁠
TANAKA
8
AGE
MAX HR / TANAKA
ZONE 1 (50%-60%) TANAKA
ZONE 2 (60%-70%) TANAKA
ZONE 3 (70%-80%) TANAKA
ZONE 4 (80%-90%) TANAKA
ZONE 5 (90%-100%) TANAKA
1
49
174
87.035 - 104
104 - 122
122 - 139.256
139.256 - 156.663
156.663 - 174
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1
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⁠

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