Target Heart Rate Calculator
Enter your age for estimated maximum heart rate and training zones.
Maximum heart rate (bpm)185
50% zone92.5
70% zone129.5
85% zone157.25
How it is calculated
Max ≈ 220 − age; zones are percentages of it. Not valid for heart patients.
Worked example
| Maximum heart rate (bpm) | 185 |
| 50% zone | 92.5 |
| 70% zone | 129.5 |
| 85% zone | 157.25 |
FAQ
How accurate is it?
It is a population average; individuals vary.
Are the results exact?
Results are estimates for information only; check official sources for binding figures.