Vehicle cost of ownership
What does your car really cost?
Payments, fuel, charging, insurance, repairs and the subscription you forgot about. Costometer adds them up per mile, per month and over a vehicle's whole life, for every vehicle in your household.
The calculators need no account. The garage is free for as many vehicles as you own.
An illustration of what your garage shows. Your numbers come from what you log or connect. All results are estimates.
Free calculators
No account, and the math runs in your browser. Email yourself a result if you want to keep it.
What FSD (Supervised) costs per mile and per hour, subscription or bought outright, free months included.
Open calculator → Fill-up MPGFor any gas car, even one with no MPG readout. Three numbers from the pump.
Open calculator → EV charging costWhat charging costs per mile, counting the energy lost between the wall and the battery.
Open calculator → Compare your carSee how your vehicle stacks up against popular cars on efficiency and cost to drive, using EPA ratings.
Compare →A garage that knows what every vehicle costs
Add your cars, trucks and EVs, log what you spend, and Costometer keeps the running total. When a vehicle is sold or retired, you get its lifetime report.
- Costs and maintenanceFree
Log fuel, charging, insurance, repairs and service, with a repair diary for the details.
- Service remindersFree
Oil, tires, registration: due by miles or months, whichever comes first.
- Recurring paymentsFree
Loan or lease payments, insurance and subscriptions counted every month without retyping them.
- Lifetime reportsFree
Cost per mile and per month at 1, 2, 5 and 10 years, and a full report when a vehicle leaves.
- Import your historyFree
Bring records over from LubeLogger and Fuelly CSV exports. Importing twice won't double anything.
- PasskeysFree
Sign in with a passkey or an emailed link. There is no password to leak.
- Email digestsPaid
A daily or weekly summary of what your vehicles cost and what's coming due.
- Your own AI keyPaid
Claude, ChatGPT, Gemini or Grok reads loan and lease PDFs and receipts, so you don't type the terms in.
- Laberty printingPaid
Print service slips and labels through your own Laberty account.
- Tesla, connectedPaid
Odometer and charging come in on their own, including Supercharger costs.
- Other brands via SmartcarPaid
Connect supported vehicles from other makers for odometer, charging and more.
- Self-hostLicense
Run it on your own Cloudflare account, with bank transactions through SimpleFIN. How it works
Your data stays yours
- No ads, no selling data.Costometer is paid for by subscriptions, not by what it knows about you.
- Take it with you.Export your garage, or delete your account yourself, any time.
- Keys are sealed.Connection tokens and API keys are encrypted before they are stored.
- No bank data on our servers.Bank transactions are a self-host feature only. Read the privacy notice
Find out what your car really costs.
Start with a calculator, or set up your garage in a few minutes.