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This table is based upon a dog's Resting Energy Requirements or RER. The RER is the basic amount of energy that a dog would use in a day while remaining at rest. The formula to calculate RER for animals between 2 and 45 kg (5 - 99 pounds) is: RER in kcal/day = 30(body weight in kilograms) + 70. Any activity or variable other than rest will require an increase in energy (RER) and an increase in calories to meet the energy needs. Realize that these numbers are not a reflection of maintenance calories but of resting energy levels.
When researchers evaluate the total number of calories you burn, they refer to the number as your total energy expenditure or TEE. Resting Metabolic Rate (RMR). Your resting metabolic rate is amount of energy your body needs to maintain basic functions like breathing, circulating blood and building cells. Things like age, body size and gender affect your resting metabolic rate. Your RMR accounts for 60-75% of the total number of calories you burn each day.