235/40 R16 tires' overall diameter is 23.4 inches, tire width is 9.3 inches, the tire can be mounted on 16 inches wheel and the circumference is 73.5". With that parameters, we can calculate that it will take approximately 862 revolutions per mile.
So the closest metric tire size of 235/40R16 existing size in inches is 31x10.50R16, which is 32.48% taller and 12.9% wider.
You can use our handy tire size calculator to compare 235/40 R16 vs 31x10.50R16.
| Parameter | Meaning |
|---|---|
| 235 | The first number shows that the tire has a section width of 235 mm or approximately 9.3 inches. |
| 40 | The second number is the aspect ratio or sidewall height. In this case, it is 40%. It shows the height of the tire from the ground to the rim edge or the height of the tire's cross-section which is 40% of the width or ~ 94mm |
| R16 | The letter R means this tire is radial. Most of all tires nowadays are radial. The number is the tire diameter in inches. It means that the tire will fit 16-inch wheels |
If you want to know more about how to decipher information inscribed on your tires, including aspects such as the tire height, tire width, and the diameter of the wheel, this guide provides an in-depth look at how to read a tire sidewall. These measurements can reveal a wealth of information about your tire's specifications and suitability for your vehicle. Mastering these details will allow you to make informed decisions when buying or replacing your tires.