Tire Size Calculator

Alternative Tire Sizes Tire Comparison
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Size B    /  R

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Metric
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Alternative Tire Sizes for 285/75R18


883.9
284.5
2776
214
457.2
Size Diameter Difference Width
325/65R18 878.8 -0.57% 325.1
285/75R18 883.9 0.00% 284.5
305/70R18 883.9 0.00% 304.8
315/70R18 889.0 +0.57% 317.5