Estimate the calories burned by an activity from how long you do it, or by walking, running or cycling a distance.
Pick an activity, how long you do it, and your weight.
For walking, running or cycling a set distance at a given speed or pace.
Every activity has a metabolic equivalent, or MET, which shows how hard it works your body compared with sitting quietly. A higher MET burns more energy for each kilogram of body weight each minute. This calculator uses published energy-use values for each activity at body weights of 125, 155 and 185 pounds, and fills in the weights in between. Heavier people burn more for the same activity, because moving a larger body takes more energy.
The first calculator multiplies the hourly rate for your activity and weight by the time you spend on it. The second one is for walking, running and cycling. It takes your speed, finds the hourly rate at that speed by working between the slow, moderate, fast and very fast values, and multiplies it by the time the distance takes. A faster speed burns more per hour, but you also finish sooner, so the calories for a set distance rise more slowly than the hourly figure.
The figures are averages for a typical person. Age, body composition, fitness, temperature and how steadily you work all change the real number. People who are fitter usually burn a little less for the same effort, and breaks during a sport or game mean the activity was not done for the whole time. Use the result as a rough guide for planning, not as an exact measurement.
It depends on your weight and speed. A 70 kilogram person walking at 4 kilometers per hour burns roughly 220 calories over 5 kilometers. Use the distance calculator to try your own numbers.
A MET, or metabolic equivalent of task, compares the energy an activity uses with the energy used at rest. A value of 2 means twice the energy of sitting quietly, and 8 means eight times as much.
Moving a larger body takes more energy. For the same activity and time, the calories burned rise with body weight.
Yes, the values count all energy used during the activity, including what the body would use at rest in that time.
The calculator uses values for 125, 155 and 185 pounds. Between them it moves along a straight line in calories per kilogram, and outside them it keeps the nearest rate per kilogram.
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