255/30R30 In Inches – Tire Size & Wheel Fitment Guide
What tire size is 255/30R30 in Inches?
The 255/30R30 tire has an overall diameter of 36 inches, a section width of 10 inches, and can be mounted on 30 inches height of rim. The equivalent tire size in the high flotation system is 36x10R30.
For easy understanding, let us break down each component of the 255/30R30 tire size to know what these numbers represent and how they may affect your vehicle's performance:
How big is a 255/30R30 tire?
A 255/30R30 tire has a height of 36 inches (915 mm). This is the measurement from the bottom to the highest point at the top of a tire through its exact center when inflated and unloaded.
How wide is a 255/30R30 tire?
The 255/30R30 tire has a width of 10 inches (255 mm). This is the measurement at its thickest point, the distance between the outer sidewall and the inner sidewall’s widest point, also called as tread width or section width.
You can put a slightly narrower or wider tire on a rim as long as it falls within the manufacturer's recommended tire width range.
255/30R30 sidewall height
The 255/30R30 has a sidewall height of 3 inches (76.5 mm). It’s measured from the rim to the outer edge of the tire's tread, expressed as a percentage of tire width.
What size rim do I need for 255/30R30 tire?
You can mount the 255/30R30 tire on a rim with a height of 30 inches.
Putting very narrow tires on wide rims or vice versa can result in reduced performance of the tire.
The 255/30R30 tire has a circumference of 113.2 inches (2874.6 mm), This is the measurement of the distance the tire travels in one revolution.
The tire circumference plays a crucial role in your vehicle's overall performance, affecting its speedometer acceleration, accuracy and fuel efficiency.
The 255/30R30 performs 559.9 revs/mile. Revolutions per mile indicate the number of times a tire rotates while it covers the distance of one mile.
Compatible Tire Sizes for 255/30R30
As a rule, you can replace the tire within a 3% difference in tire diameter (height) of the OEM tire size. However, it should be considered as a general guideline, not a hard and fast rule. Here is a list of compatible tire sizes for 255/30R30:
*Disclaimer: The tire size is for information purposes only, the measurement is an approximation, as tire manufacturers can have slight variations in their measurements. It's recommended to refer to the vehicle manufacturer's guidelines or consult with a tire mechanic to determine the correct tire size for your vehicle.