🥣 Pet Food Calculator
Enter your pet's weight, life stage, and your food's calorie density to see exactly how many grams and cups to feed each day.
🔧 Calculate How Much to Feed
What is a Pet Food Calculator?
A pet food calculator converts your dog's or cat's daily calorie target into a real-world portion — grams and cups of your actual food. It bridges the gap between "how many calories" and "how much to scoop," using your food's own energy density for an accurate result.
Feeding the right amount keeps your pet lean and energetic and makes a bag of food last as long as it should. Pair it with the Pet Calorie Calculator to understand the numbers behind the portion.
❓ Frequently Asked Questions
How does the food calculator decide how much to feed?
It first estimates your pet's daily calorie need (Maintenance Energy Requirement) from weight and life stage, then divides by your food's calorie density in calories per gram to get grams per day, and finally divides by the grams in one cup to give a cup measurement. That two-step approach is far more accurate than the broad ranges printed on the bag, because it accounts for both your pet and your specific food.
Where do I find my food's calories per gram and grams per cup?
Most labels list calorie content as kcal per kilogram or kcal per cup; divide kcal/kg by 1000 to get kcal per gram. Grams per cup vary by kibble shape and density, so the most reliable method is to weigh one level cup of your food on a kitchen scale once and enter that number. Dry foods commonly land near three to four calories per gram and roughly one hundred to one hundred twenty grams per cup.
Why weigh food instead of using a measuring cup?
Scoops are surprisingly inaccurate — studies show people can over- or under-measure by twenty percent or more with a cup. Because the calculator can give you a precise gram figure, weighing meals on a small kitchen scale is the single easiest way to feed consistently and keep your pet at a healthy weight.
Should I split the daily amount into multiple meals?
Generally yes. Most adult dogs and cats do well on two meals a day, and puppies and kittens need three or more smaller meals. Take the daily grams or cups the calculator gives and divide by the number of meals. If your pet has a medical condition, follow your veterinarian's feeding plan.