UNIT CONVERSION WINDOW
The Unit Conversion window is a handy tool for performing common unit conversions.
To open this window, do either of the following:
| ￭ | In the menu bar, select Tools > Unit Conversion |
| ￭ | In the toolbar, click  |
COMMON UNIT CONVERSIONS
The Temperature, Speed, Pressure, Mass Flow, and Volume on the left side of the window represent the most common unit conversions. Just type a value in any of these fields to obtain the other values in the category.
DYNAMIC CONVERTER
The dynamic converter can be used to perform many unit conversions that aren't included in the common unit conversions displayed above it.
| 1. | In the Quantity Type dropdown, select the type of unit that you would like to convert (Acceleration, Area, Length, etc.). |
| 2. | In the From dropdown, select the unit that you would like to convert FROM. |
| 3. | Enter the value that you would like to convert in the box below the From dropdown. |
| 4. | Use the To dropdown to select the unit that you would like to convert TO. |
TIRE SIZE CALCULATOR
This tool can be used to quickly find the height in inches of a metric sized tire.
USING THE TOOL
To use the tire size calculator, just enter the three values from the metric tire size in the boxes in the top row of the tool. The tire height in inches will appear in the Tire Height box.
For example, a metric size of 225/70R16 would be entered as shown below:
HOW METRIC SIZING WORKS
Metric tire sizes are written in the format:
<width in mm>/<sidewall height as a percentage of width> R<rim diameter>
For example tire whose size is given as 225/70R16 has:
| ￭ | a width of 225 mm |
| ￭ | sidewalls that are 157.5 mm (70% of 225 mm) high |
| ￭ | a 16 inch rim diameter |
GRAMS PER CYLINDER (AIRMASS) CALCULATOR
This tool is a quick way to calculate the mass of air in each cylinder.
| 1. | In the Grams/sec box, enter the dynamic airflow. |
| 2. | Enter the RPM. |
| 3. | Select the number of cylinders. |
The cylinder airmass will appear in the Grams/cyl box.
FUEL INJECTOR CALCULATOR
This calculator can be used to find the correct flow rate for a new fuel injector.
| 1. | In the first two boxes, enter the injector flow rate (in g/sec) and the fuel rail pressure of the injectors you are replacing. If you are replacing the stock injectors, use the vehicle manufacturer's spec. values for both. |
| 2. | In the New Fuel Pressure box, enter the fuel rail pressure for the new injectors. |
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