Monthly premium estimate by species, breed, age, state, and plan type
| Pet Age | Dog (average breed, standard plan) | Cat (domestic shorthair, standard plan) |
|---|---|---|
| Under 3 | $53 | $30 |
| 3 – 5 | $56 | $32 |
| 6 – 8 | $67 | $37 |
| 9 – 10 / 9 – 11 | $78 | $43 |
| 11+ / 12+ | $90 | $50 |
National averages at a standard plan ($250 deductible, 80% reimbursement), built up from NAPHIA's 2024 reported averages ($676/yr dogs, $383/yr cats). Your state, breed, and plan tier move the quote on top of these bands. Accident-only coverage runs roughly $16–$20/mo for dogs.
| State | Factor | Dog, 4-yr mixed breed (standard plan) |
|---|---|---|
| California | 1.18 | $59/mo |
| New York | 1.16 | $58/mo |
| Massachusetts / Connecticut / New Jersey | 1.12 | $56/mo |
| Washington | 1.10 | $55/mo |
| Ohio | 0.95 | $48/mo |
| Texas | 0.92 | $46/mo |
| Tennessee | 0.90 | $45/mo |
| Mississippi | 0.88 | $44/mo |
Regional factors derived from published state veterinary-cost and claim-frequency data (Triple-I / NAPHIA state averages): coastal and Northeast states run 10-18% above the national average, the South and Midwest 5-12% below. Estimates — your quote will vary by carrier.
Pet insurance is priced like car insurance for an animal: a base rate for the species, multiplied by factors for breed risk, age, where you live, and how rich the plan is. This calculator builds the estimate the same way the actuaries do, anchored to the published national averages so the output stays in the real world.
Premium = species base × breed factor × age factor × state factor × plan factor. The species bases are the NAPHIA 2024 industry averages: $676 a year for dogs (about $56 a month) and $383 for cats (about $32), for accident-and-illness coverage. Breed factors range from 0.90 for mixed breeds to 1.45 for brachycephalic dogs like Bulldogs. Age factors run from 0.95 for pets under 3 to 1.60 for dogs 11 and older. The result is a midpoint estimate, shown with a ±20% band because carrier pricing genuinely varies that much for the same animal.
Pick species, breed group, age, and state, then toggle the plan tier. The budget tier (high deductible, 70% reimbursement) and rich tier ($100 deductible, 90%) brackets show how much structure alone moves the price. Use the estimate to sanity-check real quotes: get at least three, and compare them at identical deductible and reimbursement levels — carriers quote default structures that differ enough to make headline prices meaningless.
A 4-year-old mixed-breed dog in Texas on a standard plan: $56 base × 0.90 (mixed breed) × 1.00 (age 3-5) × 0.92 (Texas) = $46 a month, or $556 a year. The same dog at age 11 prices at $56 × 0.90 × 1.60 × 0.92 = $74 a month — premiums climb with every renewal because claims climb with age.
Two more from the other ends of the range. A 2-year-old domestic shorthair cat in Ohio: $32 × 1.00 × 0.95 × 0.95 = $29 a month. An 11-year-old French Bulldog in California: $56 × 1.45 (brachycephalic) × 1.60 (11+) × 1.18 (California) = $153 a month, which is why many flat-faced breeds become effectively uninsurable in their senior years — at that price some owners switch to accident-only coverage or a dedicated savings fund.
The national average for accident-and-illness coverage is about $56 a month for dogs and $32 a month for cats, per NAPHIA's 2024 industry report. A young mixed-breed dog in a low-cost state can land near $35, while an 11-year-old French Bulldog in California can top $150. Accident-only plans run roughly $16-$20 a month for dogs.
Insurers price expected claims, and breed drives claims. Brachycephalic (flat-faced) dogs like French and English Bulldogs carry chronic breathing, skin, and spine issues and commonly price 40-50% above average. Giant breeds have shorter lives with expensive joint and cardiac claims. Mixed breeds typically price about 10% below purebreds because hybrid vigor shows up in the claims data.
Yes, and steeply. Premiums are roughly level through age 5, then climb about 15-20% per age band at renewal; by age 11 a dog's premium is typically 60% above its young-adult price. Most insurers also reduce or exclude coverage as pets age, which is why buying while young locks in insurability, not a fixed price.
It's a hedge against the $5,000-$15,000 crisis bill, not a discount plan. A typical dog policy costs $600-$750 a year while the average paid claim runs well over $500 and serious events (TPLO knee surgery $3,500-$6,000, intestinal blockage $2,000-$5,000, cancer treatment $5,000-$15,000) can dwarf years of premiums. If a surprise four-figure bill would force a financial decision about your pet, insurance is doing its job; if you could self-insure with a dedicated $10,000 fund, skipping it is defensible.
Pre-existing conditions, always. Standard plans also exclude wellness and routine care unless you buy a separate add-on, and most won't cover cosmetic or breeding-related procedures. That's the core timing argument: conditions diagnosed before enrollment are excluded forever, so the coverage you can still buy shrinks every year you wait.