Calories Burned Calculator Estimate the calories burned based on your weight, activity, and duration. Activity --- Select One --- Walking: slow (3.2 km/h) Walking: moderate (5.6 km/h) Running (8 km/h) Running (10 km/h) Cycling: light effort Cycling: moderate effort Cycling: vigorous effort Swimming: light Swimming: moderate Swimming: vigorous Duration Body Weight 80 - 350 pounds or 35 - 160 kg Calculate