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Tire Size Calculator
Alternative Tire Sizes
Tire Comparison
- Size -
- Height -
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Size
A
/
R
Size
B
/
R
Metric
Inches
Alternative Tire Sizes for 315/70R18
889.0
317.5
2794
221
457.2
Size
Diameter
Difference
Width
325/65R18
878.8
-2.26%
325.1
285/75R18
883.9
-1.69%
284.5
305/70R18
883.9
-1.69%
304.8
315/70R18
889.0
-1.13%
317.5
355/65R18
919.5
+2.26%
355.6