How Much Should I Feed My Cat Calculator
Get your cat’s personalised daily feeding amount
Weight (lbs)
Life Stage
Food Type
Meals Per Day
How Much Should I Feed My Cat?
This is one of the most frequently asked questions from cat owners. The answer depends on your cat’s weight, age, activity level, and the type of food you’re feeding. Our calculator above uses the veterinary RER formula to give you a science-based answer. Here’s a quick overview of the key factors.
Feeding Guide by Weight
| Weight | Wet/Day | Dry/Day | kcal |
|---|---|---|---|
| 5 lbs | ~4.5 oz | ~1/4 cup | ~130 |
| 8 lbs | ~6.5 oz | ~1/3 cup | ~180 |
| 10 lbs | ~7.5 oz | ~1/2 cup | ~210 |
| 12 lbs | ~8.5 oz | ~2/3 cup | ~240 |
| 15 lbs | ~10 oz | ~3/4 cup | ~280 |
Common Feeding Mistakes
- ❌ Free feeding dry food — leads to obesity in most cats
- ❌ Eyeballing portions — always measure with a scale or cup
- ❌ Ignoring calorie density differences between brands
- ❌ Feeding the same amount regardless of age changes
For a complete feeding schedule, use our cat feeding calculator. To check if your cat is the right weight, use our cat weight calculator.
FAQs
How do I know if I’m feeding my cat enough?
Check body condition score monthly — you should be able to feel ribs easily but not see them. A cat gaining or losing weight needs a feeding adjustment. Our cat calorie calculator can help recalibrate.
Should I feed my cat the same amount every day?
Yes, consistency is key. However adjust amounts as your cat ages, gains, or loses weight. Weigh monthly and recalculate every 3-6 months.
Conclusion
Knowing how much to feed your cat is the single most impactful daily decision for their health. Use our calculator above, pair it with our cat age guide and food calorie calculator for a complete nutrition plan.
Questions about your cat’s feeding? Drop them in the comments!