How many cans of cat food per day calculator
Need your food's label numbers? Look them up in the cat food calorie database: Hill's Science Diet calories, Tiki Cat calories, 9Lives calories, Fancy Feast calories, Purina Pro Plan calories, Purina Pro Plan Veterinary Diets calories.
Use kcal per can, not can size alone
Two cans that look the same can have very different calories. The useful label number is kcal per can, kcal per tray or kcal per pouch. Put that number into BowlMath before deciding how many cans to open.
Cans per day: quick reference
For wet-only feeding, divide the daily calorie target by kcal per can. Typical pate cans run about 90 kcal per 3 oz can and about 170 kcal per 5.5 oz can, but brands vary a lot; always use the number on your label.
| Daily target | 3 oz cans (~90 kcal) | 5.5 oz cans (~170 kcal) |
|---|---|---|
| 150 kcal/day | ~1.7 cans | ~0.9 cans |
| 200 kcal/day | ~2.2 cans | ~1.2 cans |
| 250 kcal/day | ~2.8 cans | ~1.5 cans |
Mixed feeding changes the answer
If dry food or treats are part of the day, the wet food can count should go down. Count treats first, reserve any dry food calories second, then divide the remaining wet calories by kcal per can.
Per-meal planning
After the daily can count is calculated, split it by meals. For example, 1.5 cans per day over three meals is about half a can per meal.
Questions
Can I feed only wet food?
Yes, if the food is complete and balanced for your cat and the total daily amount fits the calorie target.
Should I round cans up or down?
Round practically, then watch weight trend and leftovers. Small daily rounding differences add up over weeks.
Sources
- AAFCO: Calorie content on pet food labels
- AAFCO: Reading pet food labels
- WSAVA: Calorie needs for an average healthy adult cat (PDF)
Related guides
Check with your vet. BowlMath gives a practical starting estimate, not veterinary advice. Ask your vet before changing portions for kittens, seniors, pregnant or nursing cats, diabetic cats, cats on therapeutic diets, or cats gaining or losing weight unexpectedly.