Mondo Knows Tools

Target Heart Rate Calculator

Training zones from your age and resting pulse. Use the free target heart rate calculator below to get an instant answer, with the formula shown so you can check the maths and trust the result. Free, private, and no sign-up.

yrs
bpm

Mondo says

Maximum heart rate
185 bpm
Warm up (50-60%)125 to 137 bpm
Fat burn (60-70%)137 to 149 bpm
Aerobic (70-80%)149 to 161 bpm
Anaerobic (80-90%)161 to 173 bpm
Zones use the Karvonen method, which folds in your resting heart rate.

Target Heart Rate Calculator: common questions

What does the Target Heart Rate Calculator work out?
Training zones from your age and resting pulse. It is one of the Health & Fitness tools on Mondo Knows.
How is the Target Heart Rate Calculator calculated?
You get an instant answer with the working shown underneath.
Do I need to sign up, and is my data stored?
No sign-up, and nothing you type is sent anywhere. The calculation runs in your own browser, so the figures stay on your device and the page works offline once loaded.

Mondo also knows

Facts that connect to the target heart rate calculator

Short, sourced facts that point back to this tool.

Estimates for general guidance only. This is not financial, medical or legal advice. Everything runs in your browser and nothing you type is stored.