How to Calculate Calories Burned Per Sit Up Based on Weight

By Emilie Dennington

In working out and trying to lose weight, one of the main ways to monitor your progress is by keeping track of the calories you burn. A very common calorie-burning exercise is the sit-up, also called the crunch. Depending on one's weight, an individual can burn between 400 and 800 calories per hour doing fast, vigorous sit-ups. Calculating the amount of calories burned per hour doing sit-ups is quick and easy.

Determine the number of sit-ups you can perform in 1 minute. Follow the pace of your normal workout.

Calculate the number of calories you burn per minute performing sit-ups. As a baseline, a 100-pound individual burns 6 calories per minute doing sit-ups. For every 10 pounds more you weigh, add 1 calorie per minute. For example, a 110-pound individual burns 7 calories per minute, a 120-pound individual burns 8 calories per minute, and so on.

Divide the number of calories you burn per minute of sit-ups by the number of sit-ups you can perform in 1 minute. This is the number of calories you burn per sit-up. For example, here is the calculation for a 120-pound individual: 8 calories per minute / 30 sit-ups per minute = 0.27 calories per sit-up.

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