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Metabolism
Health - Growth and weight
Friday, 31 March 2006 18:37

The next example computes how much energy your nutrition should at least contain.

The computation gives an estimate for adults based on their height, age, weight, gender and their physical activity level (PAL).

The PAL value is expressed as a multiple of the Basal Metabolic Rate, which is the amount of energy that would be spent when sleeping the whole day. Since we normally do not sleep that amount of time the PAL is at least 1.2.

When sitting all day the PAL value is at most 1.7: the value increases from 1.2 the more one stands up and walks in between. Those having a standing job can choose a PAL value of 1.8-1.9.

For each 4-5 time intensive excercise a week during 30-60 minutes add 0.3. Those with an active life (lots of sports and much exercise during work) usually have a PAL of 2-2.5.

A more precise figure of your PAL can be computed with the PAL calculator


To convert from feet to inches to cm you can add a computation in the input box: enter 6*12+5 if you are 6 feet and 5 inches.