Monthly Dog Food Cost: Calculate Your Actual UK Budget
Work out dog-food cost from the pack price and the correct daily ration, including mixed feeding, subscriptions, delivery and waste—not invented breed averages.
Published price snapshot
| Service / tier | Published price | Notes |
|---|---|---|
| Cost per gram | Pack price ÷ pack grams | Use the ongoing price including delivery, not only an introductory discount |
| Daily cost | Cost per gram × daily grams | Use the product feeding guide and individual veterinary advice |
| 30-day cost | Daily cost × 30 | Add each food separately if mixed feeding |
| Subscription budget | Full repeat charge ÷ days supplied × 30 | Confirm quantity, renewal price, delivery and storage requirements |
Your dog's monthly food cost depends on the actual product, ongoing pack price and appropriate daily ration. A broad price band labelled small, medium or large cannot provide a reliable quote. This guide gives a reproducible calculation instead of presenting unsourced UK averages or treating a premium price as evidence of better health.
A calculation you can repeat
Take the amount you will pay for the pack, including unavoidable delivery, and divide it by the number of grams. Multiply by the daily ration and then by the number of days you want to budget.
Illustrative arithmetic only: a £40 bag containing 10,000g costs £0.004 per gram. At a hypothetical 200g daily ration it costs £0.80 a day or £24 over 30 days, and lasts 50 days. The £40 and 200g are worked-example inputs, not an observed offer or a feeding recommendation.
For a second food, repeat the calculation using its own appropriate ration and add the daily costs. Do not replace half a dry-food ration with the same weight of wet or fresh food: different products contain different amounts of energy and moisture.
Set the ration before comparing the bill
PDSA's diet guidance recommends a complete, commercially produced, life-stage-appropriate diet, using packet guidance as a starting point and seeking veterinary help for individual needs. Mixed wet/dry feeding needs correctly adjusted portions. Weigh meals and account for treats.
Neither a grain-free label, high meat percentage nor a higher retail price proves that a food is appropriate for an allergy or medical condition. If a dog has ongoing itching, digestive problems, weight change or another health concern, seek veterinary advice instead of running an unsupervised eight-week 'premium food' trial.
Compare repeat costs, not introductory offers
For subscriptions record the first payment separately from later payments. Check the exact quantity delivered, how many days that quantity supplies at the intended ration, delivery charges, minimum commitment and cancellation terms. A four-week delivery is 28 days, not a calendar month.
Use the storage instructions on the actual food. Dry, chilled, frozen, wet and dehydrated products are not one interchangeable 'fresh subscription' format. Check whether you have the space, whether the pack will be used within the maker's after-opening period and what happens if a delivery is missed.
Larger bags are not automatically better value
Compare the unit cost including delivery and the expected amount discarded. If a large bag expires or loses acceptable condition before it is used, its nominal price per kilogram is not the cost of the food actually eaten. Do not buy a bigger bag before checking the label's storage and use instructions.
Record the dog, product, ration, pack size, receipt price, delivery charge and date. Recalculate after a price or ration change; a larger dog's needs should not simply be assumed to rise in direct proportion to body weight.
What this guide does not claim
We have not conducted feeding trials, tested nutritional adequacy or compared clinical outcomes between brands. There is no current market-price survey on this page. The table is a budgeting method, not a product ranking.
Use dog bowls or slow-feeder formats only if they solve a feeding-equipment need; buying them is not part of the food-cost calculation and is not a guaranteed saving.