Automotive Calculators
The Collection of automotive calculators are designed to be EASY to use. These Automotive Calculators do various things to help find out common automotive questions. One thing that is a bit different is that I have them, when applicable, put up a chart or graphs to help visualize the answer. The charts are interactive and help get you a clear understanding of your options. If you have other calculators you might like to see shoot me an email at my contact page.
Click any of the images below for to give them a try or use the drop down menu ABOVE. The drop down menu has the calculators broken out by category!
Gear and Shift Calculator
This simple calculator will take you tire size, transmission gear ratios, and rear axle ratio and give you a detailed analysis on shift points, max speed in gear, and top speed. Nice interactive graphing too!
Click the Picture to give GearCalc a try
Carb Size Calculator
Give this calculator your engine size, maximum RPM and a few other bits and this will calculate a recommended carburetor size in CFM. Graphs are provided to show the spread and range of some options to help plan your choice.
Click the Picture to give CarbCalc a try
Tire Size Calculator
Trying to find the dimensions of a tire? Enter a few values and it will do the rest including providing revolutions per mile as a bonus!
Click the Picture to give TireCalc a try
Wire Capacity Calculator
Setting up to do your own wiring? Repairing Wiring? Well make sure the size of the wire is correct for how much current and how long the wire is. This simple calculator will as for a few bits of information and give you a GO/NO-GO on the gauge of wire you might use.
Click the Picture to give WireCalc a try
Wheel Offset Calculator
Trying to get a handle on Wheel Offsets? This calculator will help you compute changes in wheel offset and helps explain what that really means.
Click the Picture to give WheelOffsetCalc a try
Fuel Injector Size Calculator
Trying to find out what size injector you need?
Click the Picture to the left for the Injector Size Calculator
Speedometer Gear Calculator
Trying to figure out the right Speedometer Gear? SpeedoCalc Can help with that task.
Click the Picture to give SpeedoCalc a try
Flow Unit Conversions
Injector Unit Conversion, this is a simple one converts Lb/Hr to CC/Min and visa-versa.
Click on the picture to give the Unit Converter a try
Compression Ratio Calculator
Want a simple but accurate way to compute your engines Compression Ratio? Trying to figure out the size of your engine? CompRatioCalc will calculate the compression ratio as well as the engine displacement.
Click the Picture to give CompRatioCalc a try
Effective Compression Ratio
Not quite sure what the use of this tool is, but some folks asked for it and being a nice guy I added it in to the mix.
Click the Picture to give Effective Compression Ratio Calculator a try
Injector Duty Cycle Calculator
Want to find out your injectors duty cycle? Give this calculator a try.
Click on the picture to give it a go!
Ohm's Law Calculator
Want to mess with electricity? They you need to know about OHM's Law and some of the simpler formulas. This calculator will help out with them.
Click on the picture to give it a go!
Dropping Resistor Calculator
Trying to make something work at a different voltage then intended? LED, Lights, Motors, etc? This simple tool will help calculate the required dropping resistor that will reduce the voltage for your device.
Click on the picture to give it a go!
MPG and Fuel Cost Calculator
This is a simple calculator for discovering you Miles Per Gallon (MPG) and related Weekly, Monthly, and Yearly average fuel cost.
Click on the picture to give it a go!
Corner Weight Calculator
Simple and easy to use Corner Weight Calculator. Enter a few weights and the calculator will do the rest!
Click on the picture to give it a go!
Valve Unseat Pressure Calculator
Simple and easy to use calculator to see how much pressure it will take to open a valve. This is typical in applications such as waste gates or high pressure diesel applications.
Click on the picture to give it a go!
Fuel Injection Pressure Change Calculator
What happens when you change the pressure on you fuel injector? How do you know the new rating? This will help!
Click the Picture to the left for any for the Fuel Injector Pressure Change Calculator
Fuel Injector Horsepower Calculator
Want to know how much horsepower your fuel injectors are capable of? This easy calculator will do the job for you!
Click the Picture to the left for the Fuel Injector HorsepowerCalculator
Wheel Bolt Circle Calculator
Simple and easy to use calculator a wheels or axle's bolt circle or wheel pattern. Also give suggest size if you are off in your measurements a bit!
Click on the picture to give it a go!
Bolt Circle Distance Calculator
Simple and easy to use calculator a wheels or axle's bolt circle or wheel pattern. This is the inverse of the Wheel Bolt Circle Calculator above. Given the Bolt Circle it gives the distance to across the 2 studs (center to center)
Click on the picture to give it a go!
Camber Offset Calculator
Want to know how much more room you will have at the top of your tire if you add negative camber? Those questions and many more can be answered with this simple camber calculator.
Click on the picture to give it a go!
Wheel Offset to Backspace Calculator
Trying to fit a new set of rims? Need to figure out how the Offset relates to the Backspace? This simple calculator is for you.
Click on the picture to give it a go!
Wheel Backspace to Offset Calculator
Well if you figured out that you need to get the Offset from your wheels backspace this will do it for your. This is the inverse calculation as the Offset to Backspace calculator above.
Click on the picture on the left to give it a go!
Sway Bar Link Force Calculator
Trying to find the forces when pressure is not put perpendicular? Don't know what that means? Check out the Sway bar link force calculator and see how force is applied.
Click on the picture on the left to give it a go!
Sway Bar Rate Calculator
How much force will my sway bar assembly provide? Use this simple calculator to find out.
Click on the picture on the left to give it a go!
