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.
About this page
- Last reviewed
- October 2026
- What this page is
- An index. This page performs no calculation — it links to the individual tools. Each tool page states its own method, assumptions and limits.
- Your data
- There are no input fields on this page. Nothing about your visit is sent to our server. We use Google Analytics for anonymous page-view statistics only — see the privacy policy.
What we check on this page
- Links: every internal link on this page was confirmed to resolve on 3 October 2026.
- Not covered here: the calculations themselves and the sources behind them. Those are documented on each tool page.
- What can change the answer: local prices, taxes and regulations differ by state and change over time. Always confirm current figures with the official source.