All-in-one automotive toolkit

CarTools
Hub

Professional-grade tools for every driver. Decode VINs, calculate fuel costs, plan auto loans, and compare tire sizes — all free, all in one place.

Choose a Tool

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VIN Decoder
Decode any 17-character VIN instantly. Get make, model, trim, engine, drivetrain and full spec — powered by NHTSA + AI.
NHTSA DataAI-PoweredFree
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Fuel Calculator
Calculate trip fuel cost, fuel needed and refill stops. Supports L/100km, MPG, km/L and 25+ currencies including GEL.
25+ CurrenciesMPG & L/100Tank Range
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Auto Loan Calculator
Calculate monthly payments, total interest and see a full amortization schedule. Adjust rate and term with live sliders.
AmortizationBar ChartMulti-Currency
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Tire Size Calculator
Compare two tire sizes side-by-side. See speedometer error, diameter difference, circumference and full specification table.
Visual ComparisonSpeedo ErrorFull Specs
4
Free Tools
25+
Currencies
AI
VIN Lookup