Pet Insurance Cost Calculator

Estimate monthly accident-and-illness premiums for your dog or cat by age, size, and state. Updated for 2026.

Last reviewed September 2026 · Free · Nothing you enter is stored

What drives pet insurance cost

Species first, then age, then breed, then where you live. The NAIC's guide for insurance regulators is unusually specific about the magnitudes: older pets "can cost two to four times as much, depending on the insurer"; dogs in the highest-rated breed category "can cost 50% to 75% more than the lowest rated group"; and geographic rating factors "may range from 1.000 on the low end to 2.000 for the highest cost areas," because premiums track local veterinary prices. Most carriers will not write a new policy on a pet under eight weeks or over about twelve years.

That is the pricing. The part that decides whether the policy is worth having is the payout mechanics below, and it is where the marketing and the policy documents diverge most sharply.

The three levers that decide what you get back

Every claim runs through the same three settings. The deductible is what you absorb before the policy pays. The reimbursement percentage — commonly 70%, 80% or 90%, occasionally as low as 50% — is the share of the remainder the insurer covers. The annual limit caps total payouts for the year, typically between $5,000 and $10,000, though unlimited plans exist.

Before any of that, the insurer strips out charges the policy does not cover: anything related to a pre-existing condition, elective procedures, and at some carriers the exam fee itself. The three levers apply to what is left.

The order of operations differs by carrier, and it costs you money

Nearly every explanation of pet insurance — including some published by carriers — says the deductible comes out first. That is true at some companies and false at others, and the difference is real money on every claim.

Take a $4,000 covered bill with a $500 annual deductible and 80% reimbursement. Subtract the deductible first and you get ($4,000 − $500) × 80% = $2,800. Apply the percentage first and you get ($4,000 × 80%) − $500 = $2,700. Both methods appear in carriers' own filed policy documents and worked examples. The shortfall is always the same quantity: the deductible multiplied by one minus the reimbursement percentage — here, $500 × 0.20 = $100. It recurs every year you meet the deductible.

This is not disclosed prominently anywhere. It is worth finding the worked example in a sample policy before you buy, because no comparison table we are aware of surfaces it.

Deductibles are not all annual

Most carriers use an annual deductible that resets each policy year. At least one major carrier instead uses a per-condition deductible applied once per condition for the life of the pet — so a chronic illness is deductible-free after the first year, while a pet with several unrelated conditions in one year pays several deductibles. Neither structure is better in the abstract; they suit different risks. A young pet likely to have one or two chronic diagnoses is served well by per-condition, while a pet with scattered acute problems is not.

Be careful not to confuse a per-incident limit with a per-incident deductible. Some policies cap lifetime payout per incident, which is a ceiling on what you receive rather than a floor on what you pay.

Pre-existing conditions: no diagnosis required

The definition most carriers now use follows the NAIC model act: a pre-existing condition is one for which, before the policy took effect or during a waiting period, a veterinarian gave medical advice, the pet received treatment, or the pet showed signs or symptoms. The third clause is the one that surprises people. A note in the chart reading "intermittent hind-limb lameness, owner monitoring" is enough, with no diagnosis and no treatment.

Some conditions can shed the label. Carriers distinguish curable from chronic — a chronic condition being one that can be managed but not cured — and will cover a previously curable condition after a symptom-free, treatment-free interval, commonly 180 days or 12 months depending on the carrier. Read the exclusions attached to that promise carefully. Both carriers offering the shortest 180-day clock exclude knee and ligament conditions from it permanently, and at least one carrier excludes all chronic conditions by definition. The rule is considerably narrower than the headline suggests.

Waiting periods, and why yours depends on your state

Accident waits are typically 2–15 days and illness waits 14–30 days. Orthopedic conditions are the exception that matters: depending on carrier and state, waits for cruciate ligament injury, IVDD or hip dysplasia range from 14 days to six months to a full year. One major carrier's 12-month hip dysplasia wait drops to 30 days in around fifteen named states.

The reason for that patchwork is that the NAIC model act caps illness and orthopedic waiting periods at 30 days, prohibits accident waiting periods entirely, and requires carriers to allow the waits to be waived after a medical exam — but a model act binds only in states that adopt it. In states that have not, the longer waits are perfectly lawful. If your carrier offers an exam-based waiver, taking it in the first two weeks is usually worth the cost of the appointment.

Premiums rise with age, and nobody will show you the curve

Carriers use one of two structures. Under attained-age rating, premiums increase each year as the animal ages. Under initial-age rating, the rate is set by age at enrollment and does not climb for aging alone, though it still moves with veterinary cost inflation. Most carriers use the former; at least one markets the latter as a differentiator.

How steep is the climb? The honest answer is that it is not public. The NAIC's regulator guide gives two to four times for older pets. An independent nonprofit analysis in 2022 found monthly rates rising between 155% and 1,195% as a dog aged to twelve, with one carrier's mixed-breed dog going from $34 a month as a puppy to $144 at age twelve. We flag that study as dated and its methodology unpublished.

The structural problem is that age-band rate relativities sit in state rate filings that are not systematically public, and the NAIC's disclosure rule only requires carriers to state whether they raise premiums with age — not by how much. So a buyer can be told "yes, premiums increase with age" and have no way to learn whether that means 8% a year or 40%. Asking the carrier directly, in writing, which rating structure it uses is the only lever available.

What is never covered, and what is not insurance at all

Pre-existing conditions, elective and cosmetic procedures (tail docking, ear cropping, declawing, dewclaw removal), and breeding, pregnancy and whelping are excluded across the policies we examined, though at least one carrier offers a breeding rider.

Routine and preventive care — vaccines, wellness exams, dental cleaning, parasite prevention — is excluded from the insurance policy itself at every carrier we looked at. It is sold separately as a wellness add-on, and here is the part worth knowing: at some carriers that add-on is not an insurance product. One major carrier's own terms of service state in capital letters that its wellness plan is not insurance and is not a regulated benefit. It functions as a fixed annual spending allowance with no deductible and no coinsurance, unused funds do not roll over, and money spent through it does not count toward your insurance deductible. That also means no state insurance department recourse if something goes wrong with it. Other carriers do include wellness as genuine insured coverage, so this is a question to ask rather than an assumption to make.

Frequently asked questions

Sources: NAPHIA State of the Industry Report 2026; NAIC "A Regulator's Guide to Pet Insurance" and Pet Insurance Model Act #633; Casualty Actuarial Society, Butz & Chiarella (2021); carrier sample policies and state-filed insurer disclosures. Where carriers differ we say so rather than averaging them, and figures we could not verify from a primary source are not published here.

Estimates based on NAPHIA 2024 industry data and Forbes Advisor 2026 standardized quotes. Not an insurance quote.