Tire Size 305/30R20 in inches
Below are the most common tire sizing information in inches:
305/30R20 Height - How tall is a 305/30R20 tire in inches?
This tire size is 27.205 inches tall.
305/30R20 Width in inches - How wide is a 305/30R20 tire?
This tire size is 12.008 inches wide (tread width).
What's the Sidewall Size of a 305/30R20 Tire in Inches?
This tire size has 3.602 inch sidewalls.
Other Questions About the 305/30R20 Tire Size
Here's some other common questions asked about this tire size:
What size rims fit a 305/30R20 tire?
This tire will fit onto 20 inch wheels.
What is the next size up from 305/30R20?
The tire sizes below are the next sizes up from 305/30R20. The table shows the increase in diameter and width for each option.
| Tire Size | Diameter (in) | Width (in) | Diameter Change | Width Change |
|---|---|---|---|---|
| 315/30R20 | 27.441 | 12.402 | + 0.236 in | + 0.394 in |
| 325/30R20 | 27.677 | 12.795 | + 0.472 in | + 0.787 in |
| 335/30R20 | 27.913 | 13.189 | + 0.709 in | + 1.181 in |
| 345/30R20 | 28.150 | 13.583 | + 0.945 in | + 1.575 in |
| 315/35R20 | 28.681 | 12.402 | + 1.476 in | + 0.394 in |
What is the next size down from 305/30R20?
The tire sizes below are the next sizes down from 305/30R20. The table shows the decrease in diameter and width for each option.
| Tire Size | Diameter (in) | Width (in) | Diameter Change | Width Change |
|---|---|---|---|---|
| 225/40R20 | 27.087 | 8.858 | - 0.118 in | - 3.15 in |
| 255/35R20 | 27.028 | 10.039 | - 0.177 in | - 1.969 in |
| 27x7R20 | 27.000 | 7.000 | - 0.205 in | - 5.008 in |
| 295/30R20 | 26.969 | 11.614 | - 0.236 in | - 0.394 in |
| 245/35R20 | 26.752 | 9.646 | - 0.453 in | - 2.362 in |
What does the 305 mean in tire size?
This represents the treadwidth of the tire. The tread is 305mm wide, or 27.205 inches wide.
What does the 30 mean in tire size?
This represents the sidewall height of the tire, as a percentage of the width. The sidewall height is 30% of 305mm, or 91.5mm, which is 3.602 inches.
What does the 20 mean in tire size?
This represents the wheel diameter that this tire size fits on. This tire size is meant to fit a 20 inch wheel.
