Pet food cost calculator
A dog eating 250 g a day from a 12 kg bag costing £45 costs about £28.52 a month to feed, and each bag lasts about 48 days.
- A day
- 93.8p
- A week
- £6.56
- A year
- £342.19
- Each bag lasts
- 48 days
- Bags a year
- 7.6
250 g a day, from a 12 kg bag costing £45.00.
Feeding amounts vary by food, age and activity. Ask your vet if you’re unsure how much to feed.
How long a bag lasts
Days per bag at different daily amounts.
| Food a day | 2 kg bag | 7 kg bag | 12 kg bag | 15 kg bag |
|---|---|---|---|---|
| 50 g | 40 days | 140 days | 240 days | 300 days |
| 100 g | 20 days | 70 days | 120 days | 150 days |
| 200 g | 10 days | 35 days | 60 days | 75 days |
| 300 g | 6 days | 23 days | 40 days | 50 days |
| 400 g | 5 days | 17 days | 30 days | 37 days |
| 500 g | 4 days | 14 days | 24 days | 30 days |
How we calculate this
We work out the price per kilogram of your bag, multiply by how much you feed each day, and add any weekly treats or wet food.
A month is a twelfth of a year, so it evens out shorter and longer months.
Questions people ask
How much does it cost to feed a dog?
It depends on their size and the food. A medium dog eating 250 g a day of a £45, 12 kg bag costs about £28.52 a month. Large breeds and premium foods cost much more.
Is a bigger bag cheaper?
Usually, per kilogram. Check the price per kg, and make sure you’ll use the bag before its best-before date once opened. Keeping it sealed helps it stay fresh.
How much should I feed my dog or cat?
Follow the feeding guide on the food for your pet’s ideal weight, then adjust if they gain or lose weight. Your vet can check their body condition.
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