Calculate how many calories your dog needs daily based on weight, age and activity.
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Result
Daily calories
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Per meal (2x/day)
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Dry food est.
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Activity factor
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About This Dog Calorie Calculator
This free dog calorie calculator estimates how many calories your dog needs per day based on their weight, age, activity level and whether they are desexed.
Feeding your dog the right number of calories is one of the most important things you can do for their long-term health. Overfeeding is a leading cause of canine obesity, which is linked to joint problems, diabetes, heart disease and a shorter lifespan.
How Many Calories Does a Dog Need?
Calorie needs vary significantly by size, age and activity level. A small sedentary dog may need only 200-400 calories per day, while a large active dog may need 2,000+ calories. Puppies need more calories per kilogram than adult dogs. Senior dogs typically need fewer calories.
Frequently Asked Questions
How do I know if I am feeding my dog too much?+
Signs of overfeeding include weight gain, ribs that are difficult to feel, a waist that is not visible from above, and reduced energy. Your vet can confirm if your dog is at a healthy weight.
Should I feed my dog once or twice a day?+
Most vets recommend feeding adult dogs twice a day. Puppies typically need 3-4 smaller meals per day. Large breeds may benefit from twice-daily feeding to reduce the risk of bloat.
How many calories are in commercial dog food?+
This varies widely by brand and type. Check the packaging for kcal/kg or kcal per cup. Wet food is typically lower in calories than dry food of the same volume.
Do neutered dogs need fewer calories?+
Yes — desexed dogs typically have lower calorie requirements (by around 20-30%) than intact dogs of the same size and activity level.
When should I consult a vet about my dog's diet?+
If your dog is overweight, underweight, has a health condition, or if you are unsure about their nutritional needs, a vet or veterinary nutritionist can provide personalised advice.