How Much to Feed Your Dog or Cat

The right amount depends on your pet's weight, age, and activity level

The amount your dog or cat needs each day is not the same for every pet. A 10-pound senior cat needs far less than a 70-pound active dog. Most pet food bags print a feeding chart on the back that estimates portions by weight, but these are starting points — your individual pet may need more or less based on how active they are, whether they're still growing, and their metabolism.

The most reliable way to find the right amount is to start with the bag's recommendation, feed that amount for two weeks, and then adjust based on your pet's body condition. If your dog or cat is gaining weight, reduce portions by 10 percent. If they're losing weight or seem hungry, increase by 10 percent. Weigh your pet every two to four weeks to track changes.

Key Takeaways

• Pet food bags include a feeding chart based on weight, but your individual pet may need 10 to 20 percent more or less depending on age, activity level, and metabolism.
• The best way to find the right amount is to start with the bag's recommendation and adjust based on whether your pet is gaining or losing weight over two weeks.
• Puppies and kittens need more calories per pound than adult pets, and senior pets often need fewer calories but the same nutrients.
• Measure portions with a kitchen scale or measuring cup rather than eyeballing, because portion creep is the most common reason pets gain weight.
• Treats should make up no more than 10 percent of your pet's daily calories, which means a 50-pound dog should get no more than about 150 calories in treats per day.

How to read the feeding chart on your pet's food bag

Every commercial dog and cat food bag has a chart that shows how much to feed based on your pet's weight. Find your pet's current weight in the left column, then read across to the daily amount. This amount is usually given as a range — for example, "1.5 to 2 cups per day" — because individual pets vary.

Start at the lower end of the range if your pet is overweight or has a slower metabolism. Start at the higher end if your pet is very active, is still growing, or has a fast metabolism. The chart assumes an average pet with average activity, so it is a starting point, not a prescription.

If your pet's weight falls between two rows on the chart, estimate between the two amounts. A 35-pound dog whose chart shows 1.5 cups for 30 pounds and 2 cups for 40 pounds would get roughly 1.75 cups per day.

Puppies and kittens need more food than you might expect

Young pets burn calories faster than adults because they are growing and are usually more active. Puppies typically need two to three times as many calories per pound of body weight as adult dogs. Kittens need roughly twice the calories of adult cats.

Most puppy and kitten foods are formulated with higher calorie density than adult foods, so the portion size may look similar even though the calories are higher. Check the bag's feeding chart for the "puppy" or "kitten" section — do not use the adult dog or cat amounts.

As your pet approaches their adult size, transition gradually to adult food. For dogs, this usually happens between 9 and 18 months depending on breed size. Cats typically reach adult size by 12 months. Your veterinarian can tell you when your individual pet is ready to switch.

Senior pets often need fewer calories but the same nutrients

Dogs and cats over age 7 usually need fewer calories because they are less active, but they still need the same amount of protein and other nutrients. Some senior pets actually need slightly more protein to prevent muscle loss. Feeding a smaller portion of senior-formula food is usually better than feeding a smaller portion of regular adult food.

Senior pets also digest food less efficiently, so they may need smaller, more frequent meals. If your older pet seems hungry on one meal per day, try splitting the daily amount into two portions. This can also help with digestive upset, which is common in aging pets.

If your senior pet is losing weight despite eating the recommended amount, talk to your veterinarian. Weight loss in older pets can signal dental problems, digestive issues, or other health changes that may need treatment.

How to measure portions accurately

The most common mistake pet owners make is eyeballing portions instead of measuring. A handful of kibble looks small, so people tend to pour more than the chart recommends. Over time, this adds up to weight gain. Use a measuring cup or kitchen scale every time you feed.

A standard measuring cup holds 8 ounces by volume, which is not the same as 8 ounces by weight. Kibble is light and fluffy, so a cup of kibble weighs less than a cup of water. If precision matters — for example, if your pet needs to lose weight — use a kitchen scale instead. Weigh the bowl first, then add kibble until you reach the target weight.

Write the daily amount on a sticky note and put it on your pet's food container. This prevents confusion if multiple people feed your pet, and it makes it easy to spot if someone is adding extra portions without realizing it.

Treats should not exceed 10 percent of daily calories

Treats are a major source of hidden calories. A dog biscuit that seems small can contain 50 to 100 calories, which is significant for a small dog. The general rule is that treats should make up no more than 10 percent of your pet's total daily calories.

For a 50-pound dog eating 1,000 calories per day, that means no more than 100 calories in treats. For a 10-pound cat eating 200 calories per day, that means no more than 20 calories in treats. If you give treats, reduce the meal portion by the same amount so the daily total stays the same.

Low-calorie treat options include small pieces of carrot, green beans, or plain cooked chicken. These fill your pet's stomach without adding many calories, and they satisfy the urge to chew or snack without derailing weight management.

When to adjust portions based on your pet's weight

Weigh your pet every two to four weeks using a scale at your veterinarian's office or a pet store — most offer this for free. Track the weight in writing so you can see the trend. If your pet has gained more than a pound or two over a month, reduce portions by 10 percent and reweigh in two weeks.

If your pet is losing weight unintentionally, increase portions by 10 percent. If weight loss continues, contact your veterinarian because it can signal illness. Intentional weight loss for an overweight pet should happen slowly — about 1 to 2 percent of body weight per week — so your pet does not feel deprived.

Some pets plateau at a certain weight even when portions stay the same. This is normal and means you have found the right amount. If your pet's weight starts creeping up again months later, it may mean their metabolism has slowed with age, and you may need to reduce portions again.

Frequently Asked Questions

Should I feed my dog or cat once a day or twice a day?

Most adult dogs do well with one or two meals per day. Puppies under 6 months need three to four smaller meals because they cannot hold as much food at once. Adult cats usually prefer multiple small meals throughout the day, so two meals per day is common, though some cats do fine with one larger meal.

What if my pet seems hungry all the time?

Constant hunger can mean the portions are too small, but it can also mean your pet is bored, anxious, or has a health problem like diabetes or parasites. Before increasing food, talk to your veterinarian to rule out medical causes. If the portions are correct, try feeding smaller amounts more frequently, or use low-calorie foods like green beans to add volume without calories.

Do different types of food need different portion sizes?

Yes. Wet food is mostly water, so the volume looks larger but contains fewer calories than the same weight of dry kibble. Grain-free and high-protein foods are often more calorie-dense, so portions may be smaller. Always use the feeding chart on the specific food you are feeding, not a chart from a different brand or type.

How do I know if my pet is at a healthy weight?

You should be able to feel your pet's ribs with gentle pressure but not see them clearly. Your pet should have a visible waist when viewed from above. If you cannot feel the ribs or see a waist, your pet is likely overweight. Your veterinarian can assess body condition and recommend a target weight.

Should I leave food out all day or feed at set times?

Set mealtimes are better for weight management because you control the exact amount eaten. Free-feeding — leaving food out all day — makes it easy to overfeed and hard to notice if your pet's appetite changes, which can be a sign of illness. Set mealtimes also make housetraining easier for puppies and help you track your pet's health.