Rex says
Everyday utility math — the kind you'd otherwise pull up four browser tabs for. I keep it to one clean answer.
Try a scenario
Click to load — tweak from there.Inputs
Result
Monthly cost
$208
Annual cost
$2,496
Lifetime cost
$29,952
Food per month
$78
Psst — share this and help Rex grow
One click, a permanent link with your numbers baked in.
How to use this
- 1Enter food per month (lb).
- 2Enter food price ($/lb).
- 3Enter annual vet + meds ($).
- 4Enter grooming per month ($).
- 5Enter supplies + treats per month ($).
- 6Enter expected lifespan remaining (yr).
- 7Read your monthly cost on the right — it updates as you type.
- 8Hit Share to keep the scenario or send it to someone.
About this calculator
Food, vet, grooming, and supplies add up over a 10–15 year lifespan. This puts a monthly and lifetime number on it so the decision is made with eyes open.
Worked example
Using the values the calculator loads with:
Inputs
- Food per month: 30 lb
- Food price: 2.6 $/lb
- Annual vet + meds: 600 $
- Grooming per month: 45 $
- Supplies + treats per month: 35 $
- Expected lifespan remaining: 12 yr
Results
- Monthly cost: $208
- Annual cost: $2,496
- Lifetime cost: $29,952
- Food per month: $78
What each field means
Inputs
- Food per month (lb)
- The food per month used in the calculation, measured in lb. Starts at 30 lb so you have a working example on load.
- Food price ($/lb)
- The food price used in the calculation, measured in $/lb. Starts at 2.6 $/lb so you have a working example on load.
- Annual vet + meds ($)
- The annual vet + meds used in the calculation, measured in $. Starts at 600 $ so you have a working example on load.
- Grooming per month ($)
- The grooming per month used in the calculation, measured in $. Starts at 45 $ so you have a working example on load.
- Supplies + treats per month ($)
- The supplies + treats per month used in the calculation, measured in $. Starts at 35 $ so you have a working example on load.
- Expected lifespan remaining (yr)
- The expected lifespan remaining used in the calculation, measured in yr. Starts at 12 yr so you have a working example on load.
Results
- Monthly cost
- Returned as a money amount in US dollars and shown as the headline result. It recalculates instantly whenever you change an input, so you can compare scenarios without reloading.
- Annual cost
- Returned as a money amount in US dollars. It recalculates instantly whenever you change an input, so you can compare scenarios without reloading.
- Lifetime cost
- Returned as a money amount in US dollars. It recalculates instantly whenever you change an input, so you can compare scenarios without reloading.
- Food per month
- Returned as a money amount in US dollars. It recalculates instantly whenever you change an input, so you can compare scenarios without reloading.
FAQ
What's missing from this?
Emergency vet care. A single surgery can run $2,000–$7,000, which is why pet insurance or a dedicated sinking fund exists.
Do big dogs cost more?
Substantially — food scales with body weight and most medication is dosed by weight too.
Accuracy and limitations
- Estimates assume standard, average conditions — local rules, pricing, and materials vary.
- Results are rounded for readability; add a buffer before ordering, booking, or committing.
- Double-check anything with a real cost attached against a local quote.
Cite this calculator
Writing about this topic? Grab a citation — every link helps keep these tools free.
RevenueLab. (2026). Pet Food & Care Budget Calculator. Retrieved from https://www.revenuelab.fyi/toolbox/pet-food-budget
<p>Source: <a href="https://www.revenuelab.fyi/toolbox/pet-food-budget" target="_blank" rel="noopener">Pet Food & Care Budget Calculator — RevenueLab</a> (2026).</p>
Source: [Pet Food & Care Budget Calculator — RevenueLab](https://www.revenuelab.fyi/toolbox/pet-food-budget) (2026).