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Gas Mileage / MPG Calculator
Free 2026 gas mileage calculator for MPG, km/L, L/100 km, cost per mile and trip fuel cost with US, Imperial and metric units.
LeaseAuto Lease Calculator
Free 2026 auto lease calculator for monthly payment, residual value, money factor, tax, depreciation and total lease cost.
ValueCar Depreciation Calculator
Free 2026 car depreciation calculator with straight-line, declining-balance and market-curve value tables for resale planning.
TripFuel Cost / Trip Cost Calculator
Free 2026 fuel cost calculator for road trips, commute budgets, round trips, cost per mile and gasoline or diesel CO2 estimates.
ConvertMPG to L/100km Converter
Free 2026 MPG to L/100 km converter with US MPG, Imperial MPG, km/L and miles per liter conversions in both directions.
TireTire Size Calculator
Free 2026 tire size calculator for P-metric sizes, sidewall height, diameter, circumference, revs per mile and speedometer error.
RPMRPM to MPH Calculator
Free 2026 RPM to MPH calculator for cruise RPM, axle ratio, transmission ratio, tire diameter and top speed by gear.
HPEngine Horsepower Calculator
Free 2026 horsepower calculator for HP from torque and RPM, kW, PS, Newton-meters and quarter-mile ET or trap speed estimates.
TowTowing Capacity Calculator
Free 2026 towing capacity calculator for GVWR, GCWR, payload, tongue weight, loaded weight and go/no-go status in lb, kg or tonnes.
PayoffVehicle Loan Pay-off Calculator
Free 2026 vehicle loan payoff calculator with monthly payment, remaining balance, accrued interest, extra payments and amortization table.
CPMTruck Cost Per Mile (CPM) Calculator
Free 2026 truck cost per mile calculator for diesel, maintenance, insurance, tolls, permits, driver pay and depreciation.
IFTAIFTA Fuel Tax Calculator
Free 2026 IFTA fuel tax calculator with state and province rate dropdowns, taxable gallons, purchased gallons, credits and net tax.
L/100Bus / Truck Fuel Consumption Calculator
Free 2026 bus and truck fuel consumption calculator for diesel, CNG, LPG and biodiesel with loaded vs empty L/100 km.
GVWGVWR / GCWR / Payload Capacity Calculator
Free 2026 GVWR, GCWR and payload calculator for commercial truck weight, trailer weight, available cargo and warnings in lb, kg or tonnes.
EMITruck Loan / Semi-Truck EMI Calculator
Free 2026 commercial truck loan EMI calculator with multi-currency toggle, down payment, APR, term, balloon payment and total interest.
How these tools help
Each calculator includes the formula, a worked example, glossary, FAQs, source links and copy/share/print controls. Calculations run locally in your browser with no tracking by default.
Frequently Asked Questions
Is Auto & Vehicle Calculators - Free Online Automotive Tools 2026 free to use?
Yes, Auto & Vehicle Calculators - Free Online Automotive Tools 2026 is completely free with no signup required. It runs entirely in your browser, so you can use it as often as you need.
How accurate is Auto & Vehicle Calculators - Free Online Automotive Tools 2026?
Auto & Vehicle Calculators - Free Online Automotive Tools 2026 uses standard, well-established formulas to provide accurate educational results. For complex or critical decisions, consult a qualified professional.
Is my data private?
Yes. All calculations happen locally in your browser. Your inputs are not uploaded, logged, or stored on our servers.
Does Auto & Vehicle Calculators - Free Online Automotive Tools 2026 work on mobile?
Yes, Auto & Vehicle Calculators - Free Online Automotive Tools 2026 is fully responsive and works on phones, tablets, and desktop browsers without any installation.