People who own automobiles can sometimes overlook important information about their car, like the fuel injector size or how many miles the car gets per gallon. There are several different automotive calculators available today that allow people to enter in simple data and get some very interesting results. Whether it’s financing a new vehicle, looking into rental costs, or just finding out how many miles per gallon a car gets, there are plenty of helpful and insightful resources available.

• Fuel Injector Size Calculator – This helpful calculator allows the user to choose the fuel injector size by entering in some simple figures.
• Fuel Injector Flow Calculator – Entering in information for pounds of fuel per hour will produce a result of the car’s fuel injector flow.


• Piston Speed Calculator - Determines pistol speed and average port velocity.
• Static Compression Ratio Calculator - Calculates compression ratio based on six variables.
• Horsepower Calculator -Simple horsepower calculator that provides an estimate of a car's horsepower.
• Tire Size Calculator - Provides tire and wheel size calculations.
• Best Differential Gear Calculator - Determines the best gear to use based on tire diameter, RPM, and top speed.
• Engine Displacement Calculator – This is an interactive calculator that allows you to determine engine displacement.
• Miles Per Gallon Calculator – A more complex calculator for figuring out the miles per gallon ratio.
• Bicycle MPG Calculator – This calculator shows how much you can save per gallon by riding a bicycle versus driving a car.
• Auto Loan Calculator – A calculator designed to let car buyers see how much they can expect to pay per month for their auto loan.
• Fuel Economy Calculator – With comparisons between old and new cars, as well as graphs showing fuel vs. distance traveled.
• Battery Cold-Cranking Amp Estimation - Estimates the CCA required for a particular vehicle.
• Eco-Calculator – An interesting calculator showing your car’s impact on the environment and looks at sticker price, fuel economy, and other factors.
• Car Rental - Information about car rentals and how effective their gas mileage rates are.
• Speedometer Calibration Calculator - Provides information on how tire size impacts speedometer calibration.
• Flexible Fuel Calculator – This calculator takes a look at the price of regular gasoline versus newer, “flexible fuels” and shows the cost of driving, gallons saved, and more.
• Lease or Purchase Calculator – This helpful tool can assist people with deciding which option is more economical and practical, leasing or buying a vehicle.
• Intake and Exhaust Pipe Sizing Calculator - Estimates the size and amount of intake or exhaust pipes needed for a particular vehicle.
• Fuel Cost Calculator – Great for trips, this calculator lets the user choose how many miles they will be traveling, fuel usage, and price so they can see the overall average cost.