Car math never stops — charging an EV or valuing a used car both come down to the numbers. Our Automotive Calculators collection covers the 15 computations drivers reach for most: EV charging time and cost and car depreciation. Every calculator shows its steps, so you buy and charge with confidence.

Use the search box above to filter the 15 tools instantly, or browse the cards. Each page carries a full explainer — the formula, worked examples with real numbers, common mistakes, and FAQs — at the CalculatorSoup depth standard.

Frequently Asked Questions

What automotive calculators are available here?

Fifteen free tools: EV Charging Cost Calculator, Car Depreciation Calculator, Fuel Cost Calculator, Car Loan Calculator, MPG Calculator, Car Affordability Calculator, Tire Size Calculator, Auto Insurance Estimator Calculator, Car Maintenance Cost Calculator, Trip Cost Calculator, Horsepower Torque Calculator, Towing Capacity Calculator, Lease vs Buy Calculator, Car Tax Calculator, Braking Distance Calculator.

How long does it take to charge an EV?

Charging time = energy needed (kWh) divided by charger power (kW). Adding 45 kWh on an 11 kW charger takes about 4 hours. Our EV Charging Cost Calculator works it out for your battery and charger.

How much does it cost to charge an EV?

Multiply the kWh added by your electricity rate. 45 kWh at $0.16/kWh costs $7.20. Our calculator also shows cost per 100 km.

How fast do cars depreciate?

New cars typically lose about 15% of value per year. Our Car Depreciation Calculator applies your chosen rate year by year.

Are these automotive calculators free?

Yes — both are free, no sign-up, with steps shown and full explainers on every page.

Related Categories

Technology Calculators — EV tech and more modern utilities.
Financial Calculators — loans and costs of car ownership.
Unit Converters — convert kWh, km, miles and gallons.

Cite this page as: Automotive Calculators, Sigma Calculator, https://sigmacalculator.net/automotive-calculators/
Last updated: October 12, 2026