tire size 계산기입니다. 100% 무료.
tire size 계산기에 대한 도구입니다.
Overall diameter = (2 × section width × aspect ratio ÷ 100) + rim diameter. The section width is in millimeters, and the rim diameter is in inches. For example, a 225/45R17 tire has an overall diameter of approximately 634.3 mm or 24.97 inches.
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225/45R17 is a standard tire size notation: 225 = section width in millimeters, 45 = aspect ratio (sidewall height is 45% of the width), R = radial construction, 17 = rim diameter in inches.