16 tools · Automotive
Automotive tools
Car loans, fuel economy, depreciation, insurance, tires, and the full cost of owning a vehicle.
Popular in automotive
Automotive
Car Affordability Calculator
Max car price you can afford based on your income. Four rules: 20%, 15%, 10%, and DTI-based.
Automotive
Car Payment Calculator
Monthly loan payment with sales tax, trade-in, and down payment. Includes total interest + amortization.
Automotive
Gas Mileage Calculator
MPG from miles + gallons, plus cost per mile and monthly fuel cost. Comparison table across 7 MPG tiers.
Automotive
Car Depreciation Calculator
Estimated car value after N years using industry-standard depreciation curves. Higher miles accelerate.
Automotive
Total Cost of Ownership Calculator
5-year total car cost: loan + fuel + insurance + registration + maintenance + depreciation. Per-mile breakdown.
Automotive
Fuel Economy Converter
MPG (US) ↔ MPG (UK) ↔ L/100km ↔ km/L. All four values side by side with efficiency tier labels.
More automotive tools
- Car Insurance Quote EstimatorRough annual and monthly premium by state, age, coverage, credit, record, and vehicle class.
- Tire Size ConverterParse metric tire size (225/65R17) into overall diameter, width, circumference, and imperial equivalent.
- Tire Pressure LookupTypical cold PSI by vehicle type. Door-jamb rule, altitude/temp notes, and check cadence.
- VIN DecoderDecode a 17-character VIN. Country of manufacture, likely brand, model year, plant code, serial.
- License Plate Format LookupUS state license plate format reference. Standard pattern, max length, personalized and commercial rules.
- Oil Change Interval CalculatorRecommended oil change interval by oil type, driving conditions, and engine age. Next change date.
- Repair or Replace CalculatorShould you fix the car or buy new? 50%/75% value rules plus 2-year projected cost comparison.
- EV Charging Cost CalculatorHome charging vs DC fast charging cost and time. Comparison to 30 MPG gas car at $3.50/gal.
- Road Trip Fuel Stops CalculatorHow many fuel stops on a long drive, at which mile markers, total gallons, and total cost.
- EV Range EstimatorReal-world EV range vs rated range. Accounts for cold weather, highway speeds, HVAC use.