Use this calculator to determine your heart rate in whatever heart rate zone you desire for your workouts.
Simply enter your resting heartrate and your maximum heartrate in the fields provided below:
To get the most out of your workout, you should work out in one of the "zones" described below, depending whether your goal is weight loss, an aerobic workout or an anaerobic workout.
| Zone | Description | Target heartrate |
| Zone 1 | Low Intensity zone: 50% - 60% of maximum heartrate |
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| Zone 2 | Weight Control zone: 60% - 70% of maximum heartrate |
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| Zone 3 | Aerobic zone: 70% - 80% of maximum heartrate |
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| Zone 4 | Anaerobic zone: 80% - 90% of maximum heartrate |
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| Zone 5 | Maximal zone: 90% - 100% of maximum heartrate |
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You can use your heart rate (the number of beats per minute) to judge the right pace for you. Your Heart Rate at whatever pace you run at is calculated as a percentage of your Maximum Heart Rate (MHR).
Low Intensity zone (50 - 60% of MHR)
Recommended for novice exercisers. Good forms of exercise include walking, light fitness exercising, cycling and swimming.
Weight Control zone (60 - 70% of MHR)
Fitness can be safely improved at this level. Also recommended for weight loss. Good forms of exercise include: brisk walking, jogging, aerobics and cycling.
Aerobic zone (70 – 80% of MHR)
Ideal for improving general endurance and aerobic capacity. Fitness exercising, running, cycling, jogging and swimming.
Anaerobic zone (80 – 90% of MHR)
Anaerobic training. Recommended for experienced athletes only
Maximal zone (90 – 100% of MHR)
Maximal training. Recommended for experienced athletes only
Finding out your heart rate is a useful way of tracking how your body is performing, if you are serious about your training you will need to invest in a good quality heart rate monitor - check out our latest products from Timex