CalculatorCast

心拍数計算機

田中式による最大心拍数の推定。

はじめに

Heart Rate Calculator — Estimate your maximum heart rate using the Tanaka formula. Enter Age to get an instant, accurate result.

計算式

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.

ステップごとの説明

  1. Enter the Age.
  2. Click Calculate to see your result instantly.

実例

Example: With Age = 30, the Heart Rate Calculator gives Max Hr: 187.

よくある質問

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.

心拍数計算機について

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.