Health & Fitness
Max Heart Rate Calculator
Calculate your maximum heart rate and target training zone.
Formulas and edge cases are reviewed against authoritative references before publication. For methodology, editorial standards, or corrections, use the links below.
Frequently asked questions
What formula is used?
This calculator uses the simple 220 - age formula.
Is this accurate for everyone?
It is a general estimate. Individual max heart rates vary.
Why use a target zone?
Training zones help balance intensity and recovery in workouts.
Related tools
About this tool
Inputs
- Age
Results
- Max heart rate
- Target zone (50-85%)
Numbers tell a story, and the Max Heart Rate Calculator helps you read it. Plug in your data to see what the math reveals. Reference ranges published by organizations like WHO and NIH apply to general adult populations and may not suit everyone. Heart rate zones are typically expressed as percentages of maximum heart rate (220 minus age is a common approximation). The required inputs are age. Once provided, the result — max heart rate and target zone (50-85%) — appears instantly.
Whether you need to calculate your maximum heart rate and target training zone for a quick check or a thorough analysis, this tool adapts to both. It is a general estimate. Individual max heart rates vary. Athletes and pregnant individuals may fall outside standard reference ranges without any health concern. Individual variation means two people with identical numbers can have very different health profiles. Use the result as a starting point for deeper analysis. Pair it with other tools for a more complete picture.