Maximum Heart Rate Calculator
Estimate maximum heart rate with the common 220 minus age formula and see training zones as percentages. It is an average and individual rates vary.
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Estimate maximum heart rate with the common 220 minus age formula and see training zones as percentages. It is an average and individual rates vary.
For general information only, not medical advice. Consult a qualified health professional before making health decisions.
Worked example
Example calculated from the starting values. Enter your own values and press Calculate to get your result.
With the default inputs (age = 40 years), the results are: estimated maximum 180 bpm; moderate zone starts (50%) 90 bpm; vigorous zone starts (70%) 126 bpm.
Quick reference: age vs result
Reference table based on the example values; it is not your calculation result.
| Age (years) | Estimated maximum | Moderate zone starts (50%) | Vigorous zone starts (70%) |
|---|---|---|---|
| 20 | 200 bpm | 100 bpm | 140 bpm |
| 40 | 180 bpm | 90 bpm | 126 bpm |
| 80 | 140 bpm | 70 bpm | 98 bpm |
| 200 | 20 bpm | 10 bpm | 14 bpm |
| 400 | -180 bpm | -90 bpm | -126 bpm |
| 800 | -580 bpm | -290 bpm | -406 bpm |
Frequently asked questions
What formula does this calculator use?
Estimated maximum = 220-a; Moderate zone starts (50%) = mx × 0.5; Vigorous zone starts (70%) = mx × 0.7; Peak zone starts (85%) = mx × 0.85. Variables: a = age in years.
What do I need to enter?
You need age (years). Results update as you type.
What is an example result?
With the default inputs (age = 40 years), the results are: estimated maximum 180 bpm; moderate zone starts (50%) 90 bpm; vigorous zone starts (70%) 126 bpm.
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