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 235/45R21


744.2
236.2
2337
106
533.4
Size Diameter Difference Width
275/35R21 726.4 -2.39% 274.3
325/30R21 729.0 -2.05% 325.1
245/40R21 729.0 -2.05% 246.4
285/35R21 734.1 -1.37% 284.5
295/35R21 739.1 -0.68% 294.6
235/45R21 744.2 0.00% 236.2
265/40R21 744.2 0.00% 264.2
315/35R21 754.4 +1.37% 315.0
275/40R21 754.4 +1.37% 276.9