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Updated

Pet cost calculator

What a dog or cat costs per month, in the first year, per year after that, and over its life — from defaults that each name their source and year, every one of them editable. One-off costs are kept apart from recurring ones so year two is visible, and insurance and an emergency reserve are switches, because they are alternatives.

Dog or cat

Changing this refills every line below with that species’ sourced defaults; edit any of them.

Insurance and a reserve are alternatives: most owners budget one, not both.

Adoption or purchase, spay/neuter, first vaccinations, crate or carrier, starter kit.

$220 per month

$3,240 in the first year, $2,640 a year after that, $32,280 over 12 years.

Per month, recurring
$220 — food $55, vet $45, grooming $20, insurance $45, reserve $35, other $20
First year (recurring + one-off)
$2,640 + $600 = $3,240
Each year after the first
$2,640
Lifetime over 12 years
$32,280
Insurance and reserve
Both are budgeted. Most owners choose one: a premium pays a vet bill you may never have; a reserve is yours if you never need it.
Where the defaults come from
Dogs-Portal monthly cost calculator, food $40–80 a month for a medium dog (fetched 2026); the ASPCA sheet (undated, pre-2024 prices) sits at about $43. ASPCA initial costs $565 for a medium dog (spay/neuter, first exam, crate, licence; undated sheet) plus a leash, collar and starter kit. Edit any line to fit your area: no regional pricing is applied.

What this means

Every default is an assumption with a name on it. The dog figures descend from the ASPCA "Pet Care Costs" sheet and a 2026 monthly-cost tool; the cat figures from the ASPCA cat page, Cats.com and the World Animal Foundation; insurance premiums from NAPHIA’s industry report. The ASPCA sheet predates the 2024 price rises, which is why some lines sit above it.

The first year is the expensive one: adoption or purchase, spay or neuter, first vaccinations and equipment. Keeping that separate from the recurring lines is what shows you year two, which is the number that matters for whether you can afford the animal.

Insurance and an emergency reserve solve the same problem two ways. A premium buys cover for a bill you may never get; a reserve of the same money is yours if the bill never comes but may fall short if it comes early. Budget one, deliberately.

Not included: regional price differences, breed-specific premiums, boarding, walking and training. Add what applies to you under "other".

When to see a vet

Formula and sources

Sources reviewed 18 September 2026. Each names the figure it supports.

This page is an educational estimate, not veterinary advice.

Frequently asked questions

How much does a dog cost per month?

With the defaults here, about $220 a month for a medium dog: food, routine vet care and preventatives, grooming, insurance, an emergency reserve and extras. Switch off insurance or the reserve and it drops accordingly; the first year adds about $600 in one-off costs.

How much does a cat cost per month?

About $138 a month with the defaults: food, litter, routine vet care, insurance, a reserve and extras, with about $450 of one-off costs in the first year. Cats mostly self-groom, so grooming defaults to zero.

What does a pet cost over its lifetime?

The recurring yearly cost times the expected lifespan, plus the first-year one-offs. With the defaults that is $32,280 for a dog over 12 years and $25,290 for a cat over 15. Both lifespans are editable; prices are not inflated over time.

Is pet insurance worth it?

It depends on whether you could absorb a $3,000–5,000 emergency bill. If not, a premium is the price of not having to choose; if you could, a monthly reserve of the same size is the cheaper route on average. This calculator lets you budget either, and shows what each does to the total.