Cat Food Cost Calculator
Estimate your feline's feeding costs and calorie needs accurately.
Cat & Food Details
Cost Breakdown
Enter your cat's details to see exactly where your money goes!
Estimates only. Every cat's metabolism is different. Consult your vet.
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Cat Food Cost Calculator — The True Price of Feeding Your Cat
Enter your cat's weight and activity level plus the food's calories and price per can, cup or pouch. The calculator uses the veterinary RER formula (70 × weight^0.75) to find daily calorie needs, then turns that into daily, monthly and yearly feeding costs.
Everything runs in your browser — no signup. A built-in disclaimer reminds you these are estimates: every cat's metabolism differs, so check with your vet before changing diets.
Vet-standard calorie math
Daily needs come from the Resting Energy Requirement formula, adjusted by activity multipliers from 0.8 (senior) to 2.5 (kitten).
Daily, monthly and yearly costs
See the full breakdown at a glance — cost per day, the highlighted monthly figure, and the yearly total for budgeting.
Compare foods by cost per calorie
Cans, bags and pouches hide the real price. Convert each option with this tool and the cheapest per calorie wins — regardless of package size.
How to use
- Enter your cat's weight and activity level.
- Enter the food's calories per unit and price per unit.
- Click Calculate Cost.
- Compare daily, monthly and yearly costs and adjust portions.
Frequently Asked Questions
How many calories does a cat need per day?
A typical 10 lb indoor adult cat needs about 200–250 calories daily, but it varies widely with age and activity — use the calculator for a personalized figure.
Is wet food more expensive than dry food?
Usually yes — wet food often costs 2–3x more per calorie than kibble. But the extra hydration can help prevent urinary issues later.
Where do I find the calorie count?
Check the 'Guaranteed Analysis' or feeding guidelines on the package — listed as kcal/kg, kcal/can or kcal/cup.
What is the RER formula?
Resting Energy Requirement = 70 × (body weight in kg)^0.75. It estimates baseline survival calories, which activity multipliers then adjust.
Are these costs exact?
No — they are estimates. Metabolism varies per cat, and prices change. Treat the results as a budgeting guide and consult your vet on nutrition.
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