Free Car Calculators
Loan payments, fuel costs, depreciation, insurance & more -- your complete automotive toolkit
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12 toolsCar Buying
Loan payments, affordability, leasing, and depreciation calculators
3 toolsFuel & Efficiency
Fuel cost, gas mileage, and energy consumption calculators
2 toolsComparison
EV vs gas, lease vs buy, and cost of ownership comparisons
2 toolsMaintenance
Tire sizes, insurance estimates, and vehicle maintenance tools
2 toolsRoad Trip
Trip cost planning with fuel, tolls, meals, and lodging
1 toolPerformance
Horsepower conversion, towing capacity, and power-to-weight
2 toolsPopular Calculators
Our most-used auto calculators, ready when you need them
Car Loan Calculator
Calculate monthly auto loan payments with down payment, trade-in, and interest rate.
Use NowCar Affordability Calculator
Find out how much car you can afford based on your budget.
Use NowCar Depreciation Calculator
See how your car loses value over time with depreciation curves.
Use NowLease vs Buy Calculator
Compare total costs of leasing versus buying a vehicle.
Use NowEV vs Gas Calculator
Compare total cost of ownership between electric and gas vehicles.
Use NowFuel Cost Calculator
Calculate annual and monthly fuel costs from MPG and driving habits.
Use NowCar Buying Tools
3Comparison Tools
2Fuel & Efficiency Tools
2Maintenance Tools
2Road Trip Tools
1Performance Tools
2Why Use AutoCalcPro?
Built for car buyers, owners, and road trippers
Instant & Accurate
No waiting. Car math done right with industry-standard formulas.
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No hidden fees, no premium plans. Every calculator is completely free.
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All calculations happen in your browser. We never store your data.
Mobile Ready
Use on your phone at the dealership, gas station, or anywhere.