Maximum Heart Rate Calculator
Different formulas give slightly different estimates of your maximum heart rate.
Your numbers
Your results
Maximum Heart Rate Calculator by TheCalcTools
How the Maximum Heart Rate Calculator works
Enter your age.
Each formula predicts a maximum heart rate in beats per minute.
The Tanaka and Nes formulas are generally considered more accurate than the traditional 220 − age.
The formula
Worked example
Using the default values shown in the calculator:
| Age (years) | 40 |
|---|
- Fox: 220 − 40 = 180 bpm.
- Tanaka: 208 − 28 = 180 bpm.
- Gulati (women): 206 − 35.2 = 171 bpm.
Result:
| Fox (220 − age) | 180 |
|---|---|
| Tanaka (208 − 0.7 × age) | 180 |
| Gulati, women (206 − 0.88 × age) | 171 |
| Inbar (205.8 − 0.685 × age) | 178 |
| Nes (211 − 0.64 × age) | 185 |
Frequently asked questions
Is the estimate exact?
No. Individual maximum heart rates vary by about ±10–12 beats per minute around the prediction. A supervised test gives the true value.
Should I exercise at maximum heart rate?
Only under guidance. Most training is done at lower percentages of maximum.
Sources and further reading
Related calculators
More in Health & Fitness · All calculators
This calculator gives general estimates for information and education. It is not medical advice and does not diagnose anything. Talk to a qualified health professional about your own situation. See our disclaimer.