Tire Size Calculator

Alternative Tire Sizes Tire Comparison
Size A    /  R
Size B    /  R

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Metric
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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