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What this calculator does
Pets are a long-term financial commitment. This calculator estimates food and vet costs over their expected lifespan.
The math
Food cost = weight × 0.05 × food price per pound × 365 × lifespan. Vet cost = annual vet risk × lifespan. Total = food + vet.
Worked example
A 40-pound mixed breed living 12 years with $2.50/lb food and $300 annual vet risk costs about $21,000 lifetime.
Why this matters
Big purchases create years of follow-up costs. This calculator helps you weigh the true price before you sign.
Methodology and transparency
This page publishes the exact formula used to compute the result, so you can verify it in a spreadsheet or check the assumptions against your own situation. The worked example uses the tool default inputs; change any number and the result updates live in your browser. No data is sent or stored.
Common questions
Does this include emergencies?
The vet risk field is a rough annual estimate. Major emergencies can add thousands.
Are smaller pets cheaper?
Usually, because they eat less food and some medications are dosed by weight.