Anaerobic Heart Rate Calculator [Anaerobic Threshold Heart Rate]
To find your anaerobic heart rate, subtract your age from 220, then multiply the result by 0.85.
To find your anaerobic heart rate, subtract your age from 220, then multiply the result by 0.85.
AHR = (220 – A) × 0.85
| Variable | Meaning | 
|---|---|
| AHR | Anaerobic Heart Rate | 
| A | Age (in years) | 
Imagine you’re pushing hard in a workout—sprinting, climbing, or lifting. Your breathing speeds up, your muscles burn, and your heart pounds. That’s your body working in the anaerobic zone—and the Anaerobic Heart Rate Calculator shows you exactly when that happens. It takes your age, does the math, and gives you the heart rate where this intense effort kicks in.
Athletes use it to train smarter. If you’re doing anaerobic exercise, like HIIT or heavy resistance work, this calculator helps you hit that sweet spot for building strength, speed, and endurance. Wondering what zone is 176 bpm, or how to find your anaerobic heart rate by age and gender? This tool answers it in seconds.
It pairs well with a heart rate zone calculator, aerobic and anaerobic heart rate calculator, or even a target heart rate calculator for a complete fitness plan. So next time you’re asking “What is my anaerobic heart rate?” or trying to calculate anaerobic threshold, this calculator keeps things simple—and your training on track.
 
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