What is the Calories Burned Running Calculator?
This calculator estimates how many calories you burn while running based on your running speed (in mph), your body weight, and how long you run. It uses the MET (Metabolic Equivalent of Task) method, the same approach used in exercise science to compare the energy cost of different activities. Faster running has a higher MET value, so it burns more calories per minute.
How to use it
Enter your body weight in kilograms, the speed you run at in miles per hour, and your total running time in minutes. The calculator converts your pace into a MET value, multiplies by your weight and time, and returns the total calories burned along with handy per-minute and per-hour figures.
The formula explained
The core equation is $$\text{kcal} = \text{MET} \times \text{weight(kg)} \times \text{hours}$$ One MET equals roughly 1 kcal per kg of body weight per hour at rest. Running roughly adds about one MET for every mph of speed, so we estimate $$\text{MET} \approx \text{speed(mph)} \times 1.0 + 0.5$$ with a sensible floor of 6 METs for an easy jog. The duration in minutes is divided by 60 to get hours.
Worked example
Suppose you weigh 70 kg and run at 6 mph for 30 minutes. The MET value is \(6 \times 1.0 + 0.5 = 6.5\). Converting time, \(30 \text{ minutes} = 0.5 \text{ hours}\). So calories = $$6.5 \times 70 \times 0.5 = 227.5 \text{ kcal}$$ That works out to about 7.58 kcal per minute and 455 kcal per hour.
FAQ
Are these calorie numbers exact? No — they are good estimates. Actual burn varies with fitness, terrain, wind, and running economy.
Should I include resting calories? The MET method already includes resting metabolism. For "net" calories burned beyond rest, subtract roughly 1 MET worth.
I run in km/h or by pace — can I use this? Convert your speed to mph first (\(1 \text{ km/h} \approx 0.621 \text{ mph}\)) and enter that value.
