Calorie Requirement Calculator

Calories

Pet

Owner

Age

Procedure

Species and Sex

lbs

kgs

BCS:

Enter Pet's Weight
Select BCS
Ideal target weight is calculated
Select Pet criteria
Calories/Day to feed is calculated
Enter the calories per cup/can of food
Number of cups/cans to feed/day is calculated
See Pet Diet Tables for calorie amounts

Canine
Feline

Select Dog's Criteria:

Dog's Target Weight:

Total Calories/Day to Feed:

Calories/Cup or Can of Food

Cups or Cans per Day:

Select Cat's Criteria:

Cat's Target Weight:

Total Calories/Day to Feed:

Calories/Cup or Can

Cups or Cans per Day:

Pet Food Diet Tables - Calories/Cup or Can

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Feline BCS

Canine BCS

Feline Calorie Chart

Canine Calorie Chart

Calories

Even when taking into account a pet’s lifestyle, age, activity level, etc., it is impossible to mathematically determine exactly how many kilocalories a pet needs. Variations in metabolic rates can alter this figure by as much as 20 percent. Results need to be viewed as an estimate only.

Calorie “calculators” or tables cannot take into account what might make an animal’s situation unique.

Resting Energy Requirement (RER) = 70 (body weight in kg)^0.75
Maintenance Energy Requirement (MER) = appropriate multiplier x RER

Commonly Used Multipliers:

typical neutered pet	1.6
typical intact pet	1.8
weight loss	1
weight gain	1.7
light work	2
moderate work	3
heavy work	6
growth (less than 4 months old)	3
growth (more than 4 months old)	2

Here's what the calculations look like for a neutered pet dog weighing 45 pounds that is at his or her optimum weight.

20.5 kg
70 x 20.5^0.75 = 674 kcal/day
1.6 x 672 = 1075 kcal/day

Remember, this is estimate. This pet’s actual needs may actually be anywhere between 860 kcal/day and 1,290 kcal/day.