According to Diet & Fitness Today, the average male burns 155 calories in one hour simply by sitting at his desk and typing. The average female burns 133 calories per hour.
The formula to determine the total number of calories burned by mile is 0.75 times the runner's weight in pounds, so a 150-pound runner would typically burn 112.5 calories per mile. The speed at which the runner runs is also a factor.
The amount of calories needed to keep a body functioning varies widely from person to person. According to Fitness Blender, a 5-foot-tall, 35 year-old-woman weighing 130 pounds needs 1,338 calories, while a 20-year-old, 6-foot-tall man weighing 180 pounds needs 1,966.
Using the HealthAssist calculator, a person weighing 80 pounds burns 50 calories in one hour if he is inactive, such as while sitting and reading or studying. An individual weighing 200 pounds burns the same amount of calories in less than 30 minutes.
A 150-pound person standing motionless for eight hours burns around 700 calories. In comparison, the same person sitting motionless for eight hours burns 544 calories. It is possible that standing burns more calories because people tend to move around while standing.
Someone who weighs approximately 150 pounds can burn up to 400 calories by walking 10,000 steps at a brisk pace of around 3.5 miles per hour. If someone is just starting to exercise, it is recommended that they start walking a shorter distance and then work their way up to 10,000 steps.
The number of calories burned while walking depends on the weight of the person and the distance traversed. According to About.com's medical review board, the average energy expenditure per mile of walking is 100 calories per mile for a 180-pound person and 65 calories for a 120-pound person.
The number of calories burned during exercise varies widely, from 204 while walking to 219 while bowling and even as high as 1,286 per hour for jumping rope or running eight mph, according to Mayo Clinic. The calorie burn also depends on the size/weight of the person who is exercising.
On average, a 155-pound person burns 42 calories while sitting for 30 minutes, according to Harvard Medical School. The number of calories burned varies based on weight and activities conducted while sitting.
According to WebMD, someone who weighs 150 pounds will burn 273 calories by riding a bike at a leisurely pace for an hour. The exact amount of calories burned by cycling depends on the intensity of the ride, how long the ride lasts and how much the cyclist weighs.