Free calculator

Maximum Heart Rate Calculator

Free Maximum Heart Rate Calculator with instant browser-based results and a clear calculation breakdown.

❤️ Maximum Heart Rate Calculator

Calculate your estimated maximum heart rate (MHR) and training zones. This helps determine optimal exercise intensity levels for different fitness goals.
Please enter a valid age between 1 and 120 years
Your Estimated Maximum Heart Rate
--
beats per minute (bpm)

Training Heart Rate Zones

Zone 1: Very Light (50-60%) --
Zone 2: Light (60-70%) --
Zone 3: Moderate (70-80%) --
Zone 4: Hard (80-90%) --
Zone 5: Maximum (90-100%) --

About the Formulas

  • Fox Formula (220 - age): The most widely used, simple and quick estimate.
  • Tanaka Formula (208 - 0.7 × age): Based on larger studies, considered more accurate for general population.
  • Gulati Formula (206 - 0.88 × age): Specifically developed for women based on research.
  • Robergs Formula (205.8 - 0.685 × age): Derived from meta-analysis of multiple studies.

Note: These are estimates. Individual maximum heart rate can vary by ±10-20 bpm. For precise measurements, consult a healthcare professional or undergo exercise testing. Always consult your doctor before starting a new exercise program.

Want to understand the calculation?
See examples, formula notes and limitations.
Read the guide