Total energy expenditure
This is a very precise metabolic calculator. It calculates your resting metabolic rate and your total energy consumption in calories or kilojoules. This can be a helpful tool for weight loss as it allows you to estimate the amount of calories that represents your energy balance.
Instructions:
1. Use the dials until you have entered time spend on sleeping and other activities on a typical day (24 hours).
2. The calculator assumes that all unaccounted time is spend sitting.
Intensity sports
Fast running
Fast rowing
Wood-chopping
Most sports
Bicycling
Gardening
Brisk walking
Golf
Easy walking
Shopping
If you want to increase accuracy of your estimation, you should print this sheet and fill it out hour by hour on a typical day. After that - enter values in to the calculator.
Calculate_daily_energy_expenditure.pdf
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 as well as normal weight and 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
Keep in mind that the calories you are given does NOT take into account that you're eating. If you workout as much as you put in and don't eat for the entire day, then yes generally you'll lose around 3,655. However let's say that you're eating about 2,200 calories that day of your workout (which isn't hard to do). That means you only burned 1455.
It can seem a bit high when you get the number but you have to keep in mind all the calories you'll be taking in that cancels out a majority of your tdee.
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