How Much Should I Feed My Cat? Complete Feeding Guide by Age & Weight (2026)

• Quick Answer: The average healthy adult cat needs approximately 25–35 calories per pound of body weight per day. For a typical 4.5 kg (10 lb) cat, this means around 200–250 calories daily. However, the exact amount depends on age, activity level, body condition, whether the cat is spayed or neutered, and the caloric density of the specific food being fed. Always use the feeding chart on your cat’s food packaging as a starting point, then adjust based on body condition — and confirm with your vet.

• Expert Source: Feeding guidelines in this article are drawn from PetMD’s veterinary nutrition team, the American Association of Feed Control Officials (AAFCO) nutritional standards, the UC Davis School of Veterinary Medicine study on feline obesity (2006–2015), and guidance from the Cummings Veterinary Medical Center at Tufts University.

• Last Updated: April 2026

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How much to feed a cat sounds simple until you are standing in front of the food bowl with no clear answer. The packaging says one thing, the internet says another, and your cat’s persistent bowl-side expression suggests the correct answer is “more.” The truth is that cat feeding is genuinely individual — a one-size-fits-all amount simply does not exist. But there are clear principles that guide the right answer for your specific cat.

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Why Cat Feeding Is Not One-Size-Fits-All

A 2006–2015 study at the University of California, Davis found that 41% of the 9,062 cats surveyed were obese – making obesity the most common preventable health condition in domestic cats. Overfeeding is the primary driver, and it happens most often because owners use guesswork rather than measured portions.

The factors that determine how much your cat should eat include:

Factor	How It Affects Feeding
Age	Kittens need more calories per kg; seniors may need less
Body weight	Larger cats need more total food
Activity level	Active cats burn more calories
Spay / neuter status	Neutered cats have lower metabolic rates — need 20–30% fewer calories
Food type	Dry food is more calorie-dense than wet food
Health conditions	Kidney disease, diabetes, thyroid conditions all affect needs
Body condition	Overweight cats need less; underweight cats need more

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Daily Calorie Needs by Weight and Life Stage

These figures are starting guidelines. Individual cats can vary by as much as 50% in either direction from the average, which is why your vet is always the most reliable resource.

Adult Cats (1 – 7 years)

Cat Weight	Inactive / Indoor	Active / Outdoor	After Spay/Neuter
2.5 kg (5.5 lbs)	130–150 kcal	150–175 kcal	110–130 kcal
3.5 kg (8 lbs)	170–200 kcal	200–230 kcal	145–170 kcal
4.5 kg (10 lbs)	200–250 kcal	230–280 kcal	170–210 kcal
5.5 kg (12 lbs)	240–290 kcal	275–320 kcal	200–245 kcal
6.5 kg (14 lbs)	275–330 kcal	310–370 kcal	230–280 kcal

Kittens (Under 12 months)

Kittens need approximately twice as many calories per kilogram of body weight as adult cats — their growing bodies demand it.

Age	Calories Per kg Body Weight Per Day	Meals Per Day
6–16 weeks	250–280 kcal/kg	3–4 meals
4–6 months	130–160 kcal/kg	3 meals
6–12 months	80–100 kcal/kg	2–3 meals

Senior Cats (7+ years)

Most senior cats have similar caloric needs to adults in their mid-life, but this changes with health status. Cats that become less active may need 20–30% fewer calories. Cats with weight loss from dental disease, kidney disease, or hyperthyroidism may need more.

Life Stage	Calorie Adjustment	Watch For
Early senior (7–10 yrs)	Same as adult	Weight gain from reduced activity
Mature senior (11–14 yrs)	Reduce 10–20% if less active	Weight gain; muscle loss
Geriatric (15+ yrs)	Increase if weight loss occurs	Unexplained weight loss — see vet

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How to Calculate Your Cat’s Daily Portion

Calorie counts vary enormously between different foods — which is why the same volume of food has completely different effects depending on what you are feeding.

Step 1: Find the caloric content of your specific food. This is listed on the packaging as kcal/kg for wet food or kcal/cup for dry food. If it is not visible, check the manufacturer’s website.

Step 2: Determine your cat’s daily calorie target from the tables above.

Step 3: Divide daily calories by the caloric density of the food.

Example:

• Cat: 4.5 kg adult indoor neutered cat — needs approximately 200 kcal/day
• Wet food: 90 kcal per 100g
• Daily portion: 200 ÷ 90 × 100 = 222g wet food per day, divided into 2 meals = 111g per meal

For dry food:

• Dry food: 350 kcal per 100g
• Daily portion: 200 ÷ 350 × 100 = 57g dry food per day, divided into 2 meals = 28.5g per meal

The difference in volume between wet and dry food for the same calorie intake often surprises owners — dry food is significantly more calorie-dense, which is why the recommended portion appears smaller.

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How Many Times a Day Should You Feed Your Cat?

Life Stage	Recommended Frequency
Kittens under 4 months	3–4 meals per day
Kittens 4–6 months	3 meals per day
Kittens 6–12 months	2–3 meals per day
Adult cats (1–7 years)	2 meals per day
Senior cats (7+ years)	2 meals per day; 3 if managing weight loss

Most vets recommend feeding cats in the morning and early evening, roughly aligning with their natural crepuscular (dawn and dusk) activity pattern. If you are home during the day, smaller and more frequent meals can also work well.

Never free-feed (leave food out continuously). Free-feeding makes it impossible to monitor how much your cat is eating, dramatically increases the risk of obesity, and disrupts toilet training in kittens. The only exception is for very young kittens under 12 weeks who may need access to food throughout the day.

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Wet Food vs Dry Food – Does It Change Portions?

Yes, significantly. Because wet food is typically 70–80% water and dry food is approximately 10% water, the same calorie count requires very different physical volumes of each.

Food Type	Approximate Calories Per 100g	Portion for 200 kcal/day
Standard wet food	70–100 kcal	200–285g
Premium wet food	90–120 kcal	165–220g
Standard dry kibble	300–380 kcal	53–67g
Premium dry kibble	350–420 kcal	48–57g

Many vets recommend incorporating wet food into the diet because it provides hydration alongside nutrition — important for kidney health and urinary tract function in cats. A combination approach (wet food as primary with some dry kibble) is popular and practical.

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The Body Condition Score – More Reliable Than Scales

Weight alone does not tell the full story. Two cats of the same weight may have very different body conditions — one muscular, one obese. The body condition score (BCS) is a more reliable assessment tool.

Use the 1–9 scale, where 5 is ideal:

Score	Description	What You Feel / See
1–2	Severely underweight	Ribs, spine, and hip bones visible from across the room
3	Underweight	Ribs very easy to feel, no fat covering, visible waist
4	Slightly lean	Ribs easy to feel with minimal fat, visible waist
5	Ideal	Ribs felt easily, slight fat covering; visible waist from above; abdominal tuck
6	Slightly overweight	Ribs felt with light pressure; waist visible but not prominent
7	Overweight	Ribs difficult to feel; rounded appearance from above; minimal waist
8–9	Obese	Ribs very difficult or impossible to feel; pendulous abdomen; no waist

Run your hands along your cat’s ribcage — you should be able to feel individual ribs without pressing hard, but they should not be visible or jutting out. From above, there should be a clear waist narrowing behind the ribcage. From the side, the belly should tuck up slightly.

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Special Feeding Situations

After Spaying or Neutering

Spaying and neutering changes hormone levels in ways that reduce metabolic rate and often increase appetite. Weight gain after the procedure is very common. Reduce daily food intake by approximately 20–30% after surgery and monitor body condition closely for the following weeks. Your vet can advise on the optimal post-operative feeding adjustment.

Pregnant or Nursing Cats

Pregnant cats need 25–50% more calories than normal, and nursing queens need 2–3 times their usual intake — they are producing milk for an entire litter. High-quality kitten food (which is more calorie-dense) is often recommended for pregnant and nursing cats. Never restrict food intake in a pregnant or nursing cat.

Cats Needing to Lose Weight

Never put a cat on a crash diet or suddenly reduce food dramatically. Rapid weight loss in cats can trigger hepatic lipidosis (fatty liver disease) — a serious, potentially fatal condition. Reduce daily intake by no more than 10–15% at a time and reassess after 2–4 weeks. Always work with your vet when managing significant weight loss.

Cats Needing to Gain Weight

Increase portions gradually — 10–15% at a time — and monitor for any digestive upset. Sudden large increases can cause vomiting or diarrhoea. If a cat is losing weight without an obvious dietary reason, this warrants veterinary investigation rather than simply feeding more.

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Signs You Are Feeding Too Much or Too Little

Sign	What It Suggests
Weight gain, rounded appearance	Overfeeding
Reduced activity, lethargy	Possible overfeeding or underlying health issue
Frequent vomiting after meals	May be eating too fast or too much
Constant begging, restless behaviour	May be underfed — or learned attention-seeking
Weight loss, prominent ribs	Underfeeding or underlying health issue
Dull coat, lack of energy	Nutritional deficiency
Consistently leaving food	Overfed — reduce portion by 10%

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Frequently Asked Questions About Cat Feeding

Feeding Amount Questions

How much wet food should I feed my cat per day? For an average 4.5 kg (10 lb) adult cat on a wet-food-only diet, approximately 200–250g of standard wet food per day, divided into two meals. This varies significantly by food brand — check the specific caloric content on your food’s packaging and calculate based on your cat’s daily calorie target.

How much dry food should I feed my cat per day? For the same 4.5 kg adult cat on dry food only, approximately 50–65g per day — this is less than most owners expect, which is why free-feeding dry food almost always leads to overfeeding. Measure dry food with a kitchen scale rather than cups, as volume measures are inaccurate for calorie-dense kibble.

My cat always seems hungry. Am I underfeeding? Not necessarily. Many cats are highly food-motivated and behave as if hungry regardless of how much they have eaten. The most reliable indicator is body condition score — if your cat is at an ideal BCS of 5, they are being fed correctly. If the BCS is 4 or below, gently increase portions. If the cat seems genuinely hungry despite an appropriate portion, discuss the food type with your vet — some foods are less satiating than others.

Can I feed my cat once a day? Technically possible for an adult cat, but not recommended. Cats have naturally small stomachs designed for frequent small meals. Once-daily feeding increases the risk of vomiting from an empty stomach, can cause blood sugar fluctuations, and is associated with increased food-seeking behaviour. Twice daily is the recommended minimum.

Food Type and Transition Questions

Should I feed wet food or dry food? Both can be nutritionally complete. Wet food has the advantage of providing hydration and is generally more satiating per calorie — important for weight management. Many vets favour a combination approach. A full comparison is covered in our separate guide on Wet vs Dry Cat Food.

How do I switch my cat to a new food? Always transition gradually over 7–10 days to avoid digestive upset. Start with 75% old food and 25% new, then 50/50, then 25% old and 75% new, and finally 100% new. If loose stools or vomiting occur, slow the transition further.

When should I switch from kitten food to adult food? At around 12 months for most breeds. Large breeds (Maine Coon, Ragdoll) may benefit from staying on kitten food slightly longer — up to 15–18 months — given their extended growth period. Discuss timing with your vet.

My cat is gaining weight on the recommended packaging amount. What should I do? Packaging recommendations are averages that often overestimate needs — particularly for indoor, neutered cats with low activity levels. Reduce the daily amount by 10%, maintain for 2–4 weeks, and reassess body condition. If weight gain continues or is significant, discuss with your vet as underlying conditions can also drive weight gain.

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Key Takeaways

The right amount of food for your cat depends on their weight, age, activity level, neuter status, and the caloric density of the specific food you are feeding. Use the calorie tables and body condition score method together — not just the packaging guidelines, which are designed for average cats and often overestimate needs for indoor neutered cats. Never free-feed. Feed twice daily for adult cats, and adjust portions gradually rather than dramatically. When in doubt, your vet’s assessment of your cat’s body condition at each annual check-up is the most reliable guide to whether your current feeding amount is right.

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This article is for informational purposes only and does not replace advice from a qualified veterinarian. For personalised feeding plans, always consult your vet.