Work out cat calorie needs instantly with clear inputs, formula shown and shareable results.
Resting energy requirement is 70 times body weight in kilograms to the power 0.75, multiplied by a life stage factor to give the maintenance requirement. Keeping treats within 10% of total energy is what prevents the careful main-meal portioning being undone by snacks.
Resting energy
RER kcal = 70 x (body weight kg) ^ 0.75
Daily requirement
MER = RER x life stage factor
RER kcal = 70 x (body weight kg) ^ 0.75. Resting energy requirement is 70 times body weight in kilograms to the power 0.75, multiplied by a life stage factor to give the maintenance requirement.
Keeping treats within 10% of total energy is what prevents the careful main-meal portioning being undone by snacks.
Enter cat's weight, life stage and goal, meals per day. The defaults shown are a realistic worked example — swap in your own figures to get a result you can use.