255/50R21 in Inches
255/50R21 tire size conversion to inches with detailed visualization of tire height, width, diameter, rim size and more.
What is 255/50R21 in inches?
When we convert 255/50R21 to inches, it is equivalent to 31.1x10R21. Let us break down the tire size dimensions for better understanding. 10 inches or 255 mm stand for section width, or width of the tire tread. 31.1 inches or 789 mm represent the overall diameter of the tire, or tire height. 21 inches is the rim diameter, or the diameter of the wheel the tire can be mounted on.



Metric | Inches | |
---|---|---|
Overall Diameter | 789 mm | 31.1" |
Tread Width | 255 mm | 10" |
Rim Diameter | 533 mm | 21" |
Sidewall Height | 128 mm | 5" |
Circumference | 2477 mm | 97.7" |
Revolutions | 404 per km | 649 per mile |
Best Prices on 255/50R21 Tires | |
---|---|
![]() |
|
![]() |
|
![]() |
|
![]() |
What is 255/50R21 tire width?
255/50R21 tire has a width of 10 inches or 255 mm that reflects the measurement of tire's width from its inner sidewall to its outer sidewall at the widest point (excluding decorations, protective ribs or raised letters). Tire width is also called tread width, section width or cross section width. Tire width should be measured without any load placed upon the tire after it has been properly inflated and mounted on its industry assigned measuring rim.
What is 255/50R21 tire height?
255/50R21 tire has an overall diameter of 31.1 inches or 789 mm that represents the outer diameter of the tire or tire height.
What is 255/50R21 tire sidewall height?
255/50R21 tire has a sidewall height of 5 inches or 128 mm which is the measurement of tire sidewall from the wheel rim to the top of tire tread. Tire sidewall height or "profile" depends on aspect ratio - lower aspect ratio means lower tire profile.
What is 255/50R21 rim diameter?
Rim or wheel diameter is generally measured in inches, representing the size of the wheel the tire can be mounted on. 255/50R21 tire can be mounted on 21 inch wheels.
What is 255/50R21 tire circumference?
255/50R21 tire has a circumference of 97.7 inches or 2477 mm that represents the outer perimeter of the tire.
How many revolutions 255/50R21 tire makes?
Tire revolutions indicate the number of times a tire revolves while it covers the distance of a mile or a kilometer. 255/50R21 tire completes 649 revolutions per mile or 404 revolutions per kilometer.
More 21" Tire Conversions
Select tire size to see its specs and dimensions.
- 245/35R21 = 27.8x9.6R21
- 245/40R21 = 28.7x9.6R21
- 245/45R21 = 29.6x9.6R21
- 255/35R21 = 28x10R21
- 255/40R21 = 29x10R21
- 255/50R21 = 31.1x10R21
- 265/35R21 = 28.3x10.4R21
- 265/40R21 = 29.3x10.4R21
- 265/45R21 = 30.4x10.4R21
- 275/30R21 = 27.5x10.8R21
- 275/35R21 = 28.5x10.8R21
- 275/40R21 = 29.6x10.8R21
- 275/45R21 = 30.7x10.8R21
- 275/50R21 = 31.9x10.8R21
- 275/55R21 = 32.9x10.8R21
- 285/35R21 = 28.9x11.2R21
- 285/40R21 = 30x11.2R21
- 285/45R21 = 31.1x11.2R21
- 295/35R21 = 29.1x11.6R21
- 295/40R21 = 30.3x11.6R21
- HL245/35R21 = 27.8x9.6R21
- P265/45R21 = 30.4x10.4R21
- 285/30R21 = 27.8x11.2R21
- 295/30R21 = 28x11.6R21
- 305/30R21 = 28.2x12R21
- 305/35R21 = 29.4x12R21
- 315/30R21 = 28.5x12.4R21
- 315/35R21 = 29.6x12.4R21
- 315/40R21 = 30.9x12.4R21
- 315/45R21 = 32.2x12.4R21
- 325/30R21 = 28.7x12.8R21
- 325/40R21 = 31.2x12.8R21
- 355/25R21 = 28x14R21
- 235/35R21 = 27.4x9.3R21
- 235/45R21 = 29.3x9.3R21
- 245/30R21 = 26.8x9.6R21
- 255/30R21 = 27x10R21
- 275/25R21 = 26.4x10.8R21
- 295/25R21 = 26.8x11.6R21
- 305/25R21 = 27x12R21
- 325/25R21 = 27.4x12.8R21
- P245/35R21 = 27.8x9.6R21
- P245/45R21 = 29.6x9.6R21
- P265/35R21 = 28.3x10.4R21
- P275/30R21 = 27.5x10.8R21
- P275/35R21 = 28.5x10.8R21
- P295/40R21 = 30.3x11.6R21
- P315/35R21 = 29.6x12.4R21
- 265/30R21 = 27.3x10.4R21
- P255/45R21 = 30x10R21
- 235/30R21 = 26.6x9.3R21
- 255/45R21 = 30x10R21
- 375/20R21 = 26.9x14.8R21
- HL265/35R21 = 28.3x10.4R21