Shelf price hides the real cost. Enter two products, such as two dog foods, treats or supplements, and see what each costs per serving, per month and per year, including shipping and autoship discounts.
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Price comparison tool
Finding the numbers
- Servings in the package: chews, tablets and sachets are usually printed on the front. For powders and liquids, divide the package size by the serving size, for example a 16 oz tub with a 0.5 oz scoop holds 32 servings.
- Food: treat one cup, or one can, as a serving. A bag's cups are roughly its weight in ounces divided by the ounces per cup on the label or maker's website; many dry foods weigh 3.5 to 4.5 oz per cup.
- Servings per day: use the amount on the label for your pet's weight, or the amount your vet gave you. This calculator only does the math; it does not suggest how much your pet should have.
- Autoship discount: many retailers take 5 to 35 percent off repeat deliveries. Check whether the discount applies only to the first order.
How it calculates
Cost per package = price × (1 − discount) + shipping. Cost per serving = cost per package ÷ servings. Cost per day = cost per serving × servings per day. A month is 30.4 days and a year is 365 days. The package lasts servings ÷ servings per day.
Price is only one part of the choice
A cheaper product is not a better deal if it contains less of the ingredient you are paying for, or if your pet refuses it. Compare the ingredient amounts per serving on both labels, and ask your vet whether a supplement is worth buying at all. Our supplement buying guide explains what to look for on a label.
How we compare products: PetCareHall compares products on published labels, specs and prices. We do not test products ourselves. Some product links on this site are affiliate links; see How We Make Money.