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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.
BMR Calculator. Calculate your Basal Metabolic Rate (BMR) with this calculator tool. Your BMR is the amount of energy you expend each day when at rest. Gender, age, height and weight are important for this calculation. You have two calculators to choose from; metric and imperial.