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285/30R18 Sizing Info

285/30R18
Diameter: 24.73 inches
Sidewall Height: 3.37 inches
Radius: 12.37 inches
Rim Diameter: 18.00 inches
Section Width: 11.22 inches
Circumference: 77.70 inches
Rev/Mile: 815.46
Rim Width Range: 9″, 9.5″, 10″, 10.5″, 11″
List of 285/30R18 Sized Tires

All of the tires listed below will fit the size you are looking for. 

Michelin Pilot Sport 4S
  • Rating: 4.60 / 5
  • Summer
Get Free Shipping!
Michelin Pilot Sport PS2
  • Rating: 4.40 / 5
  • Summer
Get Free Shipping!
Yokohama ADVAN Neova AD08 R
  • Rating: 4.20 / 5
  • Summer
Get Free Shipping!
Dunlop Direzza ZIII
  • Rating: 4.00 / 5
  • Summer
Get Free Shipping!

Tire Size 285/30R18 in inches

Below are the most common tire sizing information in inches:

285/30R18 Height - How tall is a 285/30R18 tire in inches?

This tire size is 24.732 inches tall.

285/30R18 Width in inches - How wide is a 285/30R18 tire?

This tire size is 11.22 inches wide (tread width).

What's the Sidewall Size of a 285/30R18 Tire in Inches?

This tire size has 3.366 inch sidewalls.

Other Questions About the 285/30R18 Tire Size

Here's some other common questions asked about this tire size:

What size rims fit a 285/30R18 tire?

This tire will fit onto 18 inch wheels.

What is the next size up from 285/30R18?

The tire sizes below are the next sizes up from 285/30R18. The table shows the increase in diameter and width for each option.

Tire SizeDiameter (in)Width (in)Diameter ChangeWidth Change
295/30R1824.96911.614+ 0.236 in+ 0.394 in
305/30R1825.20512.008+ 0.472 in+ 0.787 in
315/30R1825.44112.402+ 0.709 in+ 1.181 in
335/30R1825.91313.189+ 1.181 in+ 1.969 in
295/35R1826.13011.614+ 1.398 in+ 0.394 in

What is the next size down from 285/30R18?

The tire sizes below are the next sizes down from 285/30R18. The table shows the decrease in diameter and width for each option.

Tire SizeDiameter (in)Width (in)Diameter ChangeWidth Change
235/35R1824.4769.252- 0.256 in- 1.969 in
205/40R1824.4578.071- 0.276 in- 3.15 in
225/35R1824.2018.858- 0.531 in- 2.362 in
215/35R1823.9258.465- 0.807 in- 2.756 in
205/35R1823.6508.071- 1.083 in- 3.15 in

What does the 285 mean in tire size?

This represents the treadwidth of the tire. The tread is 285mm wide, or 24.732 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 285mm, or 85.5mm, which is 3.366 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.



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