Running Calorie Calculator

Distance, body weight, and pace together determine how much energy a run actually demands, and this calculator combines all three into a calorie estimate. Pinning down that expenditure helps you structure training, manage weight, and match your nutrition to your output. The figure it returns reflects your own inputs rather than a one-size-fits-all average, which makes it a sharper reference point for setting goals.

Under the hood sits a metabolic equivalent of task (MET) approach. The pace you enter sets the MET, read from the running table of the 2024 Adult Compendium of Physical Activities and interpolated between its listed speeds: 8.5 at 5 mph (a 12-minute mile), 9.3 at 6 mph, 11.0 at 7 mph, 12.0 at 8 mph and 14.8 at 10 mph. That value then multiplies against your body weight in kilograms and the time your run lasted in hours, which the calculator takes as distance × pace. Written out, that is Calories Burned = METs x Weight (kg) x Time (hours), a compact equation that still captures how speed changes the energy cost of covering ground.

Metabolism and terrain both move actual burn away from the predicted figure, so read the result as a strong guideline rather than a precise count and steer clear of aggressive dietary swings built on it alone. Pace is the input people misjudge most often; a rough guess at your average speed throws off the whole calculation, so it pays to estimate it carefully.