Sports

Calories Burned by Heart Rate Calculator

Estimate calories burned from your average heart rate.

Average heart rate (bpm)

Body weight

Age (yr)

Duration

Gender

Calculated Output

Calories burned (kcal) 572.14

Formula: Gender-specific HR, weight and age formula

Step-by-Step Breakdown

1. Values used:

2. Average heart rate = 140 bpm

3. Body weight = 70

4. Age = 30 yr

5. Duration = 45

7. Calories burned = 572.14kcal

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The math behind it

Validated regression formulas use heart rate, weight, age and gender to estimate kcal per minute.

Male, 140 bpm, 70 kg, age 30, 45 min → about 540 kcal.

How accurate is it?

Good for steady cardio; less reliable for intervals or weightlifting.