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Horsepower to Torque CalculatorConvert horsepower and RPM to torque in lb-ft (and N·m) using the standard torque = HP × 5252 / RPM formula. Fast, free engine torque calculator.
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Plug-in Hybrid Economy CalculatorEstimate the combined electricity and gasoline cost of driving a plug-in hybrid (PHEV). Split electric vs gas miles to see total cost and cost per mile.
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MPGe CalculatorCalculate MPGe (miles per gallon equivalent) for electric vehicles from miles driven and kWh used, using the 33.7 kWh/gallon standard.
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Miles to Dollars CalculatorConvert miles driven into dollars. Estimate the total cost of a trip from fuel price, MPG and maintenance per mile, plus cost per mile.
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Mileage Reimbursement CalculatorCalculate your mileage reimbursement instantly. Enter miles driven and your rate per mile to find the total amount owed for business travel.
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Miles Per kWh CalculatorCalculate your electric vehicle's efficiency in miles per kWh. Enter miles driven and kWh used to get mi/kWh, kWh/100mi, and Wh/mile instantly.
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EV Battery Range CalculatorEstimate your electric vehicle's driving range from battery capacity, usable fraction and energy consumption per km. Results in km and miles.
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EV Charging Cost per 100 Miles CalculatorCalculate your electric vehicle charging cost per 100 miles from efficiency (mi/kWh) and electricity price ($/kWh). Free, instant EV running-cost estimate.
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E-Bike Range CalculatorEstimate how far your electric bike can travel on a full charge using battery voltage, capacity (Ah), and energy consumption per kilometer.
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Car Affordability CalculatorFind out how much car you can afford from your monthly payment, down payment, interest rate and loan term. See financed amount and total interest.
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Lease vs Buy CalculatorCompare leasing vs buying a car. Enter down payments, monthly payments, term, and resale value to see total cost and which option is cheaper.
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Lease Payment CalculatorEstimate your monthly car lease payment (US) from cap cost, residual value, term, money factor and sales tax, with a depreciation and finance breakdown.
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US Gasoline Tax CalculatorEstimate the federal and state gasoline excise tax (US) on your fuel purchase. Enter gallons and per-gallon rates to see total tax paid.
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Miles to Empty CalculatorEstimate how many miles you can drive on the fuel left in your tank. Enter gallons remaining and your MPG to get your distance to empty instantly.
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Oil Change Interval CalculatorFind out how many miles remain until your next oil change. Enter your last change mileage, current odometer, and service interval.
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EV CO₂ Savings CalculatorCalculate the CO₂ emissions saved per year by driving an electric vehicle instead of a gasoline car, accounting for your local electricity grid intensity.
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VinFast Cold Weather Range Loss CalculatorEstimate how much driving range your VinFast EV loses in cold weather. Enter the EPA rated range and expected loss percentage for an instant result.
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VinFast Depreciation CalculatorEstimate the future resale value of your VinFast EV. Enter purchase price, annual depreciation rate, and years owned to project depreciation.
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VinFast Battery Degradation CalculatorEstimate VinFast EV battery degradation, remaining capacity and current driving range based on age and yearly degradation rate. Quick, free tool.
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Tire Size Conversion CalculatorConvert metric tire sizes (e.g. 225/45R17) to inches. Calculate overall diameter, section width, sidewall height, circumference and revs per mile.
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Top Speed from Horsepower CalculatorEstimate a vehicle's drag-limited top speed from engine power, air density, drag coefficient and frontal area. Get results in km/h, mph and m/s.
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Speed from Skid Mark CalculatorEstimate a vehicle's minimum speed from skid mark length, road drag factor, and braking efficiency. Outputs mph, km/h, ft/s, and m/s instantly.
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Gallons of Gas for Trip CalculatorCalculate how many gallons of gas you need for a trip from distance and MPG, plus estimated fuel cost. Fast, free road-trip fuel planner.
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Gas Mileage (MPG) CalculatorCalculate your car's gas mileage in miles per gallon (MPG) from miles driven and gallons used. Also shows L/100km and km/L equivalents.
