Total energy expenditure

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Total energy expenditure

This is a very precise metabolic calculator. It gives you your total energy consumption in calories as well as your resting metabolic rate. The interface is easy to use, despite the rather complex calculations behind the calculator.

Instructions:
1. Use the arrows until you have accounted for a full 24 hours.
2. When you reach 24 hours you can no longer use the "Up" arrows, but have decrease something before you can increase something else.

Float this calculator

Background

The basal metabolic rate is calculated from the Schofield reference formulas used by WHO including age specific formulas for children. Energy cost of activities are based on various references and because children use relative more energy pr. kg body weight than adults, a dynamic correction is used for children depending on body weight.

At the other end of the scale, obese people tend to have their activity dependent energy expenditure overestimated. Accordingly, a correction factor for body mass indexes over 30 is applied.

In summary: this calculator is reliable for children down from age 5 all the way up to obese adults.

References
Energy and Protein Requirements, Proceedings of an IDECG workshop, Edited by Nevin S. Scrimshaw, John C. Waterlow and Beat Schürch. 1994.
Eur J Clin Nutr. 1996 Feb;50 Suppl 1:S1-197.

World Health Organisation, Fao, and Unu. Energy and protein requirements. Geneva: WHO, Technical Report Series 724, 1985.

Exercise Physiology, McArdle, Katch & Katch, 5th ed

WHO Obesity Guidelines, 2000 - Technical Report Series 894

Schofield, W.N. 1985. Predicting basal metabolic rate, new standards and review of previous work. Hum. Nutr. Clin. Nutr., 39C (suppl. 1): 5-41.

Comments (5) add comment

Korbin said:

Thank you for the article, I am very interested in this topic. To enrich my knowledge, have read lots of books. By the way, if you are also interested in this issue, much useful info you may find with the help of a http://www.pdfqueen.com special pdf search engine .

January 29, 2010

jaz said:

kj(kilo joules ) and kcal( kilocalories ) is a measurement of energy ie kcal is the same as calories but 1000x of its value ie calories 1000 calories but kcal = 1 kcal

January 16, 2010

sacha said:

ummm well ya filling out is cool and stuff but what is the KJ thingy and the Kcal thingy???

January 12, 2010

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