Max Heart Rate Calculator

Max Heart Rate Calculator. Estimate max HR from age (220 − age). Fast, accurate, private.

Estimated max HR
190 bpm

Karvonen zones from 220 − age.

Zone 1 (recovery)125–138 bpm
Zone 2 (fat burn)138–151 bpm
Zone 3 (aerobic)151–164 bpm
Zone 4 (threshold)164–177 bpm
Zone 5 (max)177–190 bpm

Steps

  1. Open the calculator
  2. Enter your values
  3. Read the result instantly

Related

Calculate maximum heart rate using the standard 220 minus age formula or Tanaka variant.

FAQ

Are results official?

No — quick estimates only. Confirm with your bank or provider.

Is data saved?

No. Calculations run in your browser.

Where is the full tool?

Each satellite links back to the main hub calculator.