Calculators for decisions, not just numbers

Each tool here is built for one real decision — keep the car or not, what a mile really costs — with the math shown and the trade-offs the math can't capture spelled out. Free, no sign-up, and nothing you type ever leaves your browser.

Car & mobility

Car vs. Rideshare Break-Even Calculator

Is owning still worth it at your mileage? Compare the real annual cost of keeping your car against rideshare and transit, and find the break-even point.

Cost-Per-Mile Calculator

Insurance, registration, maintenance, depreciation, parking, gas — add it all up and see what each mile actually costs you.

Sell, Trade In, or Instant Offer?

Three ways to sell a car, compared honestly. Four questions show which path fits your timeline and tolerance for hassle.

What to Do With a Car That No Longer Runs

Junk buyer, donation, parting out, or the scrap yard — plus the title and DMV paperwork that keeps you out of trouble.

More decision tools are on the way — lease vs. buy, how much car fits your budget.

How these tools work

The math is shown. Every calculator explains exactly what it adds up and what it leaves out, in the "About this page" section at the bottom.
Your inputs stay on your device. Calculations run entirely in your browser. Nothing you type is sent to a server or stored.
No fake reviews, no pay-to-rank. If a page ever recommends a service, the reasoning is stated and affiliate relationships are disclosed right there. See our affiliate disclosure.