Calories Burned per Hour of Cycling Average Speed Your Body Weight (for 1 hour) 130 150 170 ___________________________________________ 10mph 341 383 426 14mph 492 553 614 16mph 590 664* 738 18mph 710 799 888 20mph 855 962 1,069 23mph 1,126 1,267 1,408 *Here is an example: If you weigh 150 pounds and ride a level, wind-free route at 16 mph for 5.2 hours (three 13/4-hour rides) you will burn approximately 3,453 calories (664 x 5.2) which is roughly equivalent to a pound of body fat.