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 275/40R21


754.4
276.9
2370
110
533.4
Size Diameter Difference Width
285/35R21 734.1 -2.69% 284.5
295/35R21 739.1 -2.02% 294.6
235/45R21 744.2 -1.35% 236.2
265/40R21 744.2 -1.35% 264.2
315/35R21 754.4 0.00% 315.0
275/40R21 754.4 0.00% 276.9
295/40R21 769.6 +2.02% 294.6
265/45R21 772.2 +2.36% 264.2