Road Travel Calculators:

• Cost to Drive: Fuel costs based on distance traveled, miles per gallon of vehicle, and dollars per gallon for fuel.
• Gas Mileage Equation: MPG based on two odometer readings and fuel consumed.
• Gas Mileage:  MPG based on miles traveled and fuel consumed.
• Mileage Expense: Cost of travel based on mileage rate and distance traveled.
• Mileage Tax Deduction: Expense allocation based on miles traveled and category of travel (see below).
• Time to Travel: Time driving based on average speed and distance.
• Time to Overtake: Time to intercept based on distance between vehicles and average speed of both
• Compare US Dollars per Gallon vs Canadian Dollars per Liter prices
• Compute the Cost of a Road-Trip
• Euro Dollar Calculator combines unit conversions with currency conversions for the European Union and the United States. 
• Fuel per Mile:  This computes the fuel consumed per unit traveled (e.g. gallons per mile).
• Average Fuel Economy: This computes the miles per gallon or other fuel economy indicators (kilometers per liter) 
• Energy in Diesel
• Energy in Gasoline
• CO₂ from Burning an amount of Diesel Fuel
• Carbon Dioxide per Gallon Diesel
• Cost to Idle a Vehicle
• Carbon Tax