Tire Size 305/65R18 in inches
Below are the most common tire sizing information in inches:
305/65R18 Height - How tall is a 305/65R18 tire in inches?
This tire size is 33.61 inches tall.
305/65R18 Width in inches - How wide is a 305/65R18 tire?
This tire size is 12.008 inches wide (tread width).
What's the Sidewall Size of a 305/65R18 Tire in Inches?
This tire size has 7.805 inch sidewalls.
Other Questions About the 305/65R18 Tire Size
Here's some other common questions asked about this tire size:
What size rims fit a 305/65R18 tire?
This tire will fit onto 18 inch wheels.
What is the next size up from 305/65R18?
The tire sizes below are the next sizes up from 305/65R18. The table shows the increase in diameter and width for each option.
| Tire Size | Diameter (in) | Width (in) | Diameter Change | Width Change |
|---|---|---|---|---|
| 34x12.5R18 | 34.000 | 12.500 | + 0.39 in | + 0.492 in |
| 325/65R18 | 34.634 | 12.795 | + 1.024 in | + 0.787 in |
| 35x12.5R18 | 35.000 | 12.500 | + 1.39 in | + 0.492 in |
| 315/70R18 | 35.362 | 12.402 | + 1.752 in | + 0.394 in |
| 37x12.5R18 | 37.000 | 12.500 | + 3.39 in | + 0.492 in |
What is the next size down from 305/65R18?
The tire sizes below are the next sizes down from 305/65R18. The table shows the decrease in diameter and width for each option.
| Tire Size | Diameter (in) | Width (in) | Diameter Change | Width Change |
|---|---|---|---|---|
| 275/70R18 | 33.157 | 10.827 | - 0.453 in | - 1.181 in |
| 295/65R18 | 33.098 | 11.614 | - 0.512 in | - 0.394 in |
| 33x10.5R18 | 33.000 | 10.500 | - 0.61 in | - 1.508 in |
| 33x7R18 | 33.000 | 7.000 | - 0.61 in | - 5.008 in |
| 33x7.5R18 | 33.000 | 7.500 | - 0.61 in | - 4.508 in |
What does the 305 mean in tire size?
This represents the treadwidth of the tire. The tread is 305mm wide, or 33.61 inches wide.
What does the 65 mean in tire size?
This represents the sidewall height of the tire, as a percentage of the width. The sidewall height is 65% of 305mm, or 198.25mm, which is 7.805 inches.
What does the 18 mean in tire size?
This represents the wheel diameter that this tire size fits on. This tire size is meant to fit a 18 inch wheel.
