Tire Size 235/40R18 in inches
Below are the most common tire sizing information in inches:
235/40R18 Height - How tall is a 235/40R18 tire in inches?
This tire size is 25.402 inches tall.
235/40R18 Width in inches - How wide is a 235/40R18 tire?
This tire size is 9.252 inches wide (tread width).
What's the Sidewall Size of a 235/40R18 Tire in Inches?
This tire size has 3.701 inch sidewalls.
Other Questions About the 235/40R18 Tire Size
Here's some other common questions asked about this tire size:
What size rims fit a 235/40R18 tire?
This tire will fit onto 18 inch wheels.
What is the next size up from 235/40R18?
The tire sizes below are the next sizes up from 235/40R18. The table shows the increase in diameter and width for each option.
| Tire Size | Diameter (in) | Width (in) | Diameter Change | Width Change |
|---|---|---|---|---|
| 315/30R18 | 25.441 | 12.402 | + 0.039 in | + 3.15 in |
| 275/35R18 | 25.579 | 10.827 | + 0.177 in | + 1.575 in |
| 245/40R18 | 25.717 | 9.646 | + 0.315 in | + 0.394 in |
| 285/35R18 | 25.854 | 11.220 | + 0.453 in | + 1.969 in |
| 335/30R18 | 25.913 | 13.189 | + 0.512 in | + 3.937 in |
What is the next size down from 235/40R18?
The tire sizes below are the next sizes down from 235/40R18. The table shows the decrease in diameter and width for each option.
| Tire Size | Diameter (in) | Width (in) | Diameter Change | Width Change |
|---|---|---|---|---|
| 185/50R18 | 25.283 | 7.283 | - 0.118 in | - 1.969 in |
| 205/45R18 | 25.264 | 8.071 | - 0.138 in | - 1.181 in |
| 225/40R18 | 25.087 | 8.858 | - 0.315 in | - 0.394 in |
| 215/40R18 | 24.772 | 8.465 | - 0.63 in | - 0.787 in |
| 205/40R18 | 24.457 | 8.071 | - 0.945 in | - 1.181 in |
What does the 235 mean in tire size?
This represents the treadwidth of the tire. The tread is 235mm wide, or 25.402 inches wide.
What does the 40 mean in tire size?
This represents the sidewall height of the tire, as a percentage of the width. The sidewall height is 40% of 235mm, or 94mm, which is 3.701 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.
