Tire size metric to standard calculator install#

Tire size metric to standard calculator install#

Then as a bonus it shows examples of your speedometer reading with the first tyre, and the actual speed you're traveling if you were to install the second tyre. The tire size comparison calculator takes the measurements of two tyres and compares the diameter, width, sidewall, circumference, and revolutions per mile.

There are many more possibilities and choices in metric tyres so the use of a tyre size calculator can come in handy. Just fill in the inch measurements you are looking for and it will calculate and exact metric version of that tyre. It also solves the problem of deciding what tyre you would like to run if you have inch measurements in mind but can't find a company that manufactures that inch size tyre. Just type in the metric fields and click convert to inches. Our tyre calculator makes this happen for you. The sidewall height or 'aspect ratio' of a 285/75/R16 tyre is 75% of 285mm. The sidewall height is a percentage of the width of the tyre. The second number on a metric tyre is to calculate the side wall measurement. The sidewall and aspect ratio are used in metric sized tyres to determine the overall height of a tyre. The third number generally preceded by an 'R' is the wheel diameter. Divide this by 25.4 to get inch equivalent. The first number on a metric tyre is the width.

Inch measurement tyres are fairly easy to understand however metric tyres use a more difficult system to read. Just type in a metric or standard size tyre and click calculate. Use our tyre size calculator to calculate the diameter, width, sidewall, circumference, and revolutions per mile of any tyre.