Max Heart Rate Calculator

Calculate your Maximum Heart Rate (MHR) using the most accurate scientific formulas for your age and gender.

Personal Details

Age

The old Fox formula (220-age) is widely used but often inaccurate for older adults. The Tanaka formula (208 - 0.7 × age) is generally considered the most accurate standard for healthy adults.

Heart Rate Analysis

Enter your age to calculate your maximum heart rate.

About this calculator

What is Maximum Heart Rate?

Maximum Heart Rate (MHR) is the highest number of beats per minute your heart can pump under maximum stress. It is crucial for determining training zones.

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Pro Tips

MHR decreases with age regardless of fitness level.
The Tanaka formula is generally more accurate than the simple 220-age formula.
Knowing your Max HR helps you train effectively in specific heart rate zones.

Fun Facts

"MHR doesn't indicate fitness level; however, how quickly your heart rate recovers after exercise does."
"Max HR varies significantly between individuals of the same age."
"Elite athletes often have valid Max HRs that differ from formula predictions."