Heart Rate Calculator
Estimate your maximum heart rate using the Tanaka formula.
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Introduction
Heart Rate Calculator — Estimate your maximum heart rate using the Tanaka formula. Enter Age to get an instant, accurate result.
Formula
Maximum heart rate (Tanaka et al., 2001) = 208 − (0.7 × age), a formula shown to be more accurate across a wide age range than the older 220 − age rule.
Step-by-step
- Enter the Age.
- Click Calculate to see your result instantly.
Real-world example
Example: With Age = 30, the Heart Rate Calculator gives Max Hr: 187.
Frequently Asked Questions
Why not use the classic 220 − age formula?
The Tanaka formula (208 − 0.7×age) is based on a larger research review and tends to be more accurate, especially for older adults.
Is this figure exact for everyone?
No — it's a population-based estimate. Individual maximum heart rate can vary by ±10-20 bpm even at the same age.
What inputs does the Heart Rate Calculator need?
You'll need to provide: Age. All fields use sensible defaults, so you can see a working example immediately and then adjust the values to match your own numbers.
How accurate is the Heart Rate Calculator?
The Heart Rate Calculator applies the formula exactly as calculated — Maximum heart rate (Tanaka et al., 2001) = 208 − (0.7 × age), a formula shown to be more accurate across a wide age range than the older 220 − age rule. — so results are precise for the inputs you provide. Accuracy depends on entering correct, realistic input values.
Is this a medical diagnosis?
No. The Heart Rate Calculator provides an estimate based on standard formulas and general population data, not a medical diagnosis or personalized clinical advice. Individual results can vary — consult a doctor or other qualified healthcare provider for medical concerns.
Is the Heart Rate Calculator free to use?
Yes, the Heart Rate Calculator is completely free, requires no signup, and runs instantly in your browser.
About the Heart Rate Calculator
The Heart Rate Calculator uses a real, verifiable formula — Maximum heart rate (Tanaka et al., 2001) = 208 − (0.7 × age), a formula shown to be more accurate across a wide age range than the older 220 − age rule. — so results are accurate every time, not an approximation.