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How tall is a 255 70r18 tire
How tall is a 255 70r18 tire
255/70R18 In Inches - Tire Sizes Fitting & Alternatives
What size tire is 255/70R18 in Inches?
The 255/70R18 equivalent to 32x10R18 in inches, as follow:
- 32 inches (814mm) stand for the tire diameter, also referred to as the tire height
- 10 inches (255mm) is the tire width, this may also know as the section width
- 18 inches (457mm) represent the rim diameter or called the wheel diameter that can be mounted on.
| Inches | Metric |
| Diameter | 32" | 814 mm |
| Tread Width |
10" | 255 mm |
| Rim Diameter | 18" | 457 mm |
| Sidewall Height | 7" | 179 mm |
| Circumference | 100.8" | 2560 mm |
| Revolutions | 629" | 391 mm |
100.![]()
8"
629 Revs/Mile
What is 255/70R18 tire diameter?
The 255/70R18 has an overall diameter of 32.1 inches or 815 mm tall (Measurement of a tire’s outside diameter through its exact center when inflated with no load.)
How wide is a 255/70R18 tire’s width?
The 255/70R18 has a width of 10 inches or 255 mm wide. This is the measurement of the tire at its thickest point, the distance between the outer sidewall’s widest point and the inner sidewall’s widest point. This physical width of the tire can change if the tire is mounted on a wheel slightly wider or narrower than the size indicated by the rim width.
What is a 255/70R18 tire sidewall height?
The 255/70R18 has a sidewall height of 7 inches or 179 mm tall. It’s measured from the rim to the outer edge of the tire.
What size rim do you need for 255/70R18?
The 255/70R18 tire has a size rim of 18 inches or 457 mm. This number represents the distance between the two bead seat areas where the tire is sealed onto the wheel.
How many revolutions for 255/70R18 per mile or kilometer?
The 255/70R18 performs 629 revolutions per mile or 391 revolutions per kilometer. Revolutions per mile indicate the number of times a tire revolves while it covers the distance of one mile/kilometer
How about 255/70R18 tire circumference?
The circumference of 255/70R18 is 100.8 inches or 2560 mm.
What’s wider or narrow than 255/70R18 is acceptable?
You can replace the 255/70R18 tires that are within ±3% of the overall tire diameter. In this case, it’s between 31.1 and 33.1 inches (791mm to 839 mm). Check our tire size chart here or the tire size calculator tool here to find your size.
Tire Size Chart for 18" Wheels:
38″ Tire Diameter
255/70 R18 vs 285/70 R18 Tire Size Comparison Table with Graphic Visualization
| Original tire size | | | / | 253035404550556065707580859095100 | R | 121314151617181920212222. 52324 |
Calculate | 135145155165175185195205215225235245255265275285295305315325335345355365375385395 | / | 253035404550556065707580859095100 | R | 121314151617181920212222.52324 | | New tire size |
| Parameter | Old | New | Difference |
|---|
| Overall diameter: | - | - | - |
|---|
| Section width | - | - | - |
|---|
| Circumference | - | - | - |
|---|
| Sidewall height | - | - | - |
|---|
| Revs per km: |
- | - | - |
|---|
| Clearance | - |
|---|
| Result: | - |
|---|
If your speedometer reads: | Real speed is: | | | |
| | |
Size difference between 255/70 R18 and 285/70 R18 tires.
In the tire comparison table above, you can see a detailed calculation of the size difference between 255/70 R18 and 285/70 R18 tire. The calculation results are presented in the form of visual infographics, on which tire with size 255/70 R18 is on top, and tire with size 285/70 R18 below. Both in the table and in the graph, the tires are compared according to the following indicators: overall diameter, section width, circumference, sidewall height and clearance. Also, the online application calculates the difference in real speed and speedometer readings if the difference between tire 255/70 R18 and tire 285/70 R18 is significant.
If you want to compare other tire sizes, then select their sizes in the drop-down fields and click on the green button. The online wheel calculator will then display the new results.
Infographics
| Side comparison |
Frontal comparison |
|---|
|
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See also:
255/60 R18 vs 255/70 R18 Tire size comparison with graphical visualization (difference in inches)
| Your machine size | | | / | 253035404550556065707580859095100 | R | 121314151617181920212222. 52324 | Calculate | 135145155165175185195205215225235245255265275285295305315325335345355365375385395 | / | 253035404550556065707580859095100 | R | 121314151617181920212222.52324 | | New tire size |
| Index | Old | New | Difference | | Diameter | - | - | - | | Width | - | - | - | | Circumference | - | - | - | | Profile height | - | - | - | | RPM | - | - | - | | Clearance change | - | | Result: | - | | With speedometer: | Real speed will be: | | | | | | |
Comparison of tire sizes 255/60 R18 and 255/70 R18.
In the table above you can see a detailed comparison of the difference in dimensions, parameters and performance between a 255/60 R18 tire and a 255/70 R18 tire. The results of the calculations are also presented in the form of visual models (infographics), on which the tire with a size of 255/60 R18 is on top, and with a size of 255/70 R18, respectively, at the bottom. The visualization was generated in two projections: lateral (left) and frontal (right). The online calculator compares tires according to the following characteristics: diameter, width, circumference, profile height, revolutions per km, ground clearance change. In addition, a potential deviation between the actual speed and the speed displayed on the speedometer is calculated, which can occur if the difference between tires 255/60 R18 and 255/70 R18 is significant. US and UK inch version of calculations.
If you want to compare other tyres, just select the required parameters in the drop-down fields and click on the green button.
Infographic
| Side Comparison | Frontal comparison |
| | |
See also:
255/70 R18 vs 285/60 R18 Tire size comparison with graphical visualization (difference in inches)
| Your machine size | | | / | 253035404550556065707580859095100 | R | 121314151617181920212222.52324 | Calculate | 135145155165175185195205215225235245255265275285295305315325335345355365375385395 | / | 253035404550556065707580859095100 | R | 121314151617181920212222. 52324 | | New tire size |
| Index | Old | New | Difference | | Diameter | - | - | - | | Width | - | - | - | | Circumference | - | - | - | | Profile height | - | - | - | | RPM | - | - | - | | Clearance change | - | | Result: | - | | With speedometer: | Real speed will be: | | | | | | |
Tire size comparison 255/70 R18 and 285/60 R18.
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