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Fitness
Heart Rate Zone Calculator
Estimate training zones from maximum heart rate.
Updated: May 15, 2026
Input
Estimate heart-rate zones from max heart rate.
Result
Zone 1
50-60% max HR / 95-114 bpm
Zone 2
60-70% max HR / 114-133 bpm
Zone 3
70-80% max HR / 133-152 bpm
Zone 4
80-90% max HR / 152-171 bpm
Zone 5
90-100% max HR / 171-190 bpm
Use this as a guide and adjust for your real conditions.
Share this tool
How to use
- Enter Maximum heart rate.
- Check the estimate in the result area.
- Share a reproducible URL if needed.
How to read the result
- Read Heart rate zones as quick decision-making estimates.
- Do not treat the result as a fixed answer; adjust assumptions to see the range when needed.
Useful tips
- Useful when you want to check a fat-burning heart rate zone; adjust inputs to compare scenarios.
- Use results as training guides and adjust for condition, heat, surface, and fatigue.
- If the result feels too demanding, reduce distance, intensity, or duration and recalculate.
Calculation
Multiplies max heart rate by each zone percentage to show intensity ranges.
Notes
- Adjust for your condition and environment.
- This is not medical or coaching advice.
- Stop exercising if you feel pain or discomfort.
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FAQ
Are results exact?
Use results as everyday estimates. For exact decisions, confirm with official or specialized sources.
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