Best 315/30 R18 Tires. Rims & Conversion Info
Best 315/30 R18 Street/Racetrack Tires
Toyo Proxes R888R
Overall: 86% Dry: 92%Wet: 54%Comfort: 67%Wear: 69%Check on AmazonBest 315/30 R18 Summer Tires
Michelin Pilot Sport PS2
Overall: 86.1% Dry: 91.5%Wet: 86.5%Comfort: 85%Wear: 76%Buy again: 88%Check on Amazon
Yokohama ADVAN A052
Overall: 81.4% Dry: 96.7%Wet: 60%Comfort: 60%Wear: 60%Buy again: 100%Check on Amazon
Pirelli P Zero Rosso
Overall: 50% Dry: 85%Wet: 73%Comfort: 69%Wear: 48%Check on Amazon
Continental ExtremeContact Force
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Toyo Proxes RR
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Falken Azenis RT660
Check on Amazon315/30 R18 in inches
315/30 R18 tires' overall diameter is 25.4 inches, tire width is 12.4 inches, the tire can be mounted on 18 inches wheel and the circumference is 79.8". With that parameters, we can calculate that it will take approximately 794 revolutions per mile.
So the closest metric tire size of 315/30R18 existing size in inches is 33x12.50R18, which is 29.92% taller and 0.81% wider.
You can use our handy tire size calculator to compare 315/30 R18 vs 33x12.50R18.
What rims fit 315/30 R18 tires?
For each tire size there often there are several wheel sizes. You can't put too wide tires on narrow rims or vice versa. Here is what size of the wheels your vehicle needs for 315/30 R18 tires:
Rim diameter x rim width
- 18x11
315/30 R18 – what does it mean?
| Parameter | Meaning |
|---|---|
| 315 | The first number shows that the tire has a section width of 315 mm or approximately 12.4 inches. |
| 30 | The second number is the aspect ratio or sidewall height. In this case, it is 30%. 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 30% of the width or ~ 95mm |
| R18 | 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 18-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.