Automotive Calculators

Browse automotive calculators on CalcPlanet. Free automotive calculators for fuel economy, lease, car loan, mileage and more. Every calculator is free, instant and works in your browser.

Frequently asked questions

Are these automotive calculators free?

Yes — every calculator on CalcPlanet is 100% free with no sign-up required.

Do they work on mobile?

Yes, every calculator is fully responsive and works on phones, tablets and desktops.

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By CalcPlanet Editorial · Updated April 27, 2026 · According to our Editorial Standards and Formula Sources, every calculator is reviewed before publication.

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