Maximum Heart Rate Calculator
Estimate your maximum heart rate using the quick 220 minus age rule and map out simple cardio training zones.
Enter Your Age
Results
Estimated Max HR
--
50 percent (easy)
--
70 percent (moderate)
--
85 percent (vigorous)
--
How the 220 minus Age Rule Works
Formula
Max HR = 220 - age
Step-by-step
- Subtract your age from 220 to estimate maximum heart beats per minute.
- Multiply that value by desired training percentages (for example 0.7 for tempo work).
- Compare to your wearable or lab-tested heart rate to fine tune zones.
Notes
This rule is fast and handy, but individual variation is large (plus or minus 10 beats per minute is common). Consider field or lab testing if you train seriously.