Most Common 18-inch Tire Sizes
Tire Size (mm) | Tire Size (Inch) | Overall Diameter | Tread With | Rim Size (H x W) | Sidewall Height | Circumference | Revs/mile (km) |
---|---|---|---|---|---|---|---|
225/40R18 | 25.1x8.9R18 | 25.1" (637.2 mm) | 8.9" (225 mm) | 18" x 7.5-9.0" | 3.5" (90 mm) | 78.8" (2001.8 mm) | 803.9 (499.5) |
245/40R18 | 25.7x9.6R18 | 25.7" (653.2 mm) | 9.6" (245 mm) | 18" x 8.0-9.5" | 3.9" (98 mm) | 80.8" (2052.1 mm) | 784.2 (487.3) |
235/50R18 | 27.3x9.3R18 | 27.3" (692.2 mm) | 9.3" (235 mm) | 18" x 6.5-8.5" | 4.6" (117.5 mm) | 85.6" (2174.6 mm) | 740.1 (459.9) |
255/35R18 | 25x10R18 | 25" (635.7 mm) | 10" (255 mm) | 18" x 8.5-10.0" | 3.5" (89.3 mm) | 78.6" (1997.1 mm) | 805.8 (500.7) |
225/45R18 | 26x8.9R18 | 26" (659.7 mm) | 8.9" (225 mm) | 18" x 7.0-8.5" | 4" (101.3 mm) | 81.6" (2072.5 mm) | 776.5 (482.5) |
235/55R18 | 28.2x9.3R18 | 28.2" (715.7 mm) | 9.3" (235 mm) | 18" x 6.5-8.5" | 5.1" (129.3 mm) | 88.5" (2248.4 mm) | 715.8 (444.8) |
255/40R18 | 26x10R18 | 26" (661.2 mm) | 10" (255 mm) | 18" x 8.5-10.0" | 4" (102 mm) | 81.8" (2077.2 mm) | 774.8 (481.4) |
225/50R18 | 26.9x8.9R18 | 26.9" (682.2 mm) | 8.9" (225 mm) | 18" x 6.0-8.0" | 4.4" (112.5 mm) | 84.4" (2143.2 mm) | 750.9 (466.6) |
225/50R18 | 26.9x8.9R18 | 26.9" (682.2 mm) | 8.9" (225 mm) | 18" x 6.0-8.0" | 4.4" (112.5 mm) | 84.4" (2143.2 mm) | 750.9 (466.6) |
265/35R18 | 25.3x10.4R18 | 25.3" (642.7 mm) | 10.4" (265 mm) | 18" x 9.0-10.5" | 3.7" (92.8 mm) | 79.5" (2019.1 mm) | 797.1 (495.3) |
245/45R18 | 26.7x9.6R18 | 26.7" (677.7 mm) | 9.6" (245 mm) | 18" x 7.5-9.0" | 4.3" (110.3 mm) | 83.8" (2129.1 mm) | 755.9 (469.7) |
255/45R18 | 27x10R18 | 27" (686.7 mm) | 10" (255 mm) | 18" x 8.0-9.5" | 4.5" (114.8 mm) | 84.9" (2157.3 mm) | 746 (463.5) |
265/40R18 | 26.3x10.4R18 | 26.3" (669.2 mm) | 10.4" (265 mm) | 18" x 9.0-10.5" | 4.2" (106 mm) | 82.8" (2102.4 mm) | 765.5 (475.7) |
225/55R18 | 27.7x8.9R18 | 27.7" (704.7 mm) | 8.9" (225 mm) | 18" x 6.0-8.0" | 4.9" (123.8 mm) | 87.2" (2213.9 mm) | 726.9 (451.7) |
225/60R18 | 28.6x8.9R18 | 28.6" (727.2 mm) | 8.9" (225 mm) | 18" x 6.0-8.0" | 5.3" (135 mm) | 89.9" (2284.6 mm) | 704.4 (437.7) |
255/50R18 | 28x10R18 | 28" (712.2 mm) | 10" (255 mm) | 18" x 7.0-9.0" | 5" (127.5 mm) | 88.1" (2237.4 mm) | 719.3 (446.9) |
245/50R18 | 27.6x9.6R18 | 27.6" (702.2 mm) | 9.6" (245 mm) | 18" x 7.0-8.5" | 4.8" (122.5 mm) | 86.9" (2206 mm) | 729.5 (453.3) |
275/35R18 | 25.6x10.8R18 | 25.6" (649.7 mm) | 10.8" (275 mm) | 18" x 9.0-11.0" | 3.8" (96.3 mm) | 80.4" (2041.1 mm) | 788.5 (489.9) |
32-Inch Tires On 18-Inch Rims
Tire Size (mm) | Tire Size (Inch) | Overall Diameter | Tread With | Rim Size (H x W) | Sidewall Height | Circumference | Revs/mile (km) |
---|---|---|---|---|---|---|---|
245/75R18 | 32.5x9.6R18 | 32.5" (824.7 mm) | 9.6" (245 mm) | 18" x 6.5-8.0" | 7.2" (183.8 mm) | 102" (2590.9 mm) | 621.2 (386) |
255/70R18 | 32.1x10R18 | 32.1" (814.2 mm) | 10" (255 mm) | 18" x 6.5-8.5" | 7" (178.5 mm) | 100.7" (2557.9 mm) | 629.2 (390.9) |
265/70R18 | 32.6x10.4R18 | 32.6" (828.2 mm) | 10.4" (265 mm) | 18" x 7.0-9.0" | 7.3" (185.5 mm) | 102.4" (2601.9 mm) | 618.5 (384.3) |
275/65R18 | 32.1x10.8R18 | 32.1" (814.7 mm) | 10.8" (275 mm) | 18" x 7.5-9.5" | 7" (178.8 mm) | 100.8" (2559.5 mm) | 628.8 (390.7) |
285/65R18 | 32.6x11.2R18 | 32.6" (827.7 mm) | 11.2" (285 mm) | 18" x 8.0-10.0" | 7.3" (185.3 mm) | 102.4" (2600.3 mm) | 618.9 (384.6) |
305/60R18 | 32.4x12R18 | 32.4" (823.2 mm) | 12" (305 mm) | 18" x 8.5-11.0" | 7.2" (183 mm) | 101.8" (2586.2 mm) | 622.3 (386.7) |
375/50R18 | 32.8x14.8R18 | 32.8" (832.2 mm) | 14.8" (375 mm) | 18" x n/a | 7.4" (187.5 mm) | 102.9" (2614.4 mm) | 615.6 (382.5) |
33-Inch Tires On 18-Inch Rims
Tire Size (mm) | Tire Size (Inch) | Overall Diameter | Tread With | Rim Size (H x W) | Sidewall Height | Circumference | Revs/mile (km) |
---|---|---|---|---|---|---|---|
275/70R18 | 33.2x10.8R18 | 33.2" (842.2 mm) | 10.8" (275 mm) | 18" x 7.0-8.5" | 7.6" (192.5 mm) | 104.2" (2645.8 mm) | 608.3 (378) |
285/70R18 | 33.7x11.2R18 | 33.7" (856.2 mm) | 11.2" (285 mm) | 18" x 7.5-9.5" | 7.9" (199.5 mm) | 105.9" (2689.8 mm) | 598.3 (371.8) |
295/65R18 | 33.1x11.6R18 | 33.1" (840.7 mm) | 11.6" (295 mm) | 18" x 8.0-10.0" | 7.5" (191.8 mm) | 104" (2641.1 mm) | 609.3 (378.6) |
305/65R18 | 33.6x12R18 | 33.6" (853.7 mm) | 12" (305 mm) | 18" x 8.5-11.0" | 7.8" (198.3 mm) | 105.6" (2682 mm) | 600.1 (372.9) |
325/60R18 | 33.4x12.8R18 | 33.4" (847.2 mm) | 12.8" (325 mm) | 18" x 8.5-10.0" | 7.7" (195 mm) | 104.8" (2661.6 mm) | 604.7 (375.7) |
35-Inch Tires On 18-Inch Rims
Tire Size (mm) | Tire Size (Inch) | Overall Diameter | Tread With | Rim Size (H x W) | Sidewall Height | Circumference | Revs/mile (km) |
---|---|---|---|---|---|---|---|
275/80R18 | 35.3x10.8R18 | 35.3" (897.2 mm) | 10.8" (275 mm) | 18" x n/a | 8.7" (220 mm) | 111" (2818.6 mm) | 571 (354.8) |
315/70R18 | 35.4x12.4R18 | 35.4" (898.2 mm) | 12.4" (315 mm) | 18" x 8.0-11.0" | 8.7" (220.5 mm) | 111.1" (2821.8 mm) | 570.3 (354.4) |
375/60R18 | 35.7x14.8R18 | 35.7" (907.2 mm) | 14.8" (375 mm) | 18" x n/a | 8.9" (225 mm) | 112.2" (2850.1 mm) | 564.7 (350.9) |
18-Inch Rim Sizes Chart
Tire Size (mm) | Tire Size (Inch) | Overall Diameter | Tread With | Rim Size (H x W) | Sidewall Height | Circumference | Revs/mile (km) |
---|---|---|---|---|---|---|---|
125/60R18 | 23.9x4.9R18 | 23.9" (607.2 mm) | 4.9" (125 mm) | 18" x n/a | 3" (75 mm) | 75.1" (1907.6 mm) | 843.7 (524.2) |
125/70R18 | 24.9x4.9R18 | 24.9" (632.2 mm) | 4.9" (125 mm) | 18" x n/a | 3.4" (87.5 mm) | 78.2" (1986.1 mm) | 810.3 (503.5) |
135/60R18 | 24.4x5.3R18 | 24.4" (619.2 mm) | 5.3" (135 mm) | 18" x n/a | 3.2" (81 mm) | 76.6" (1945.3 mm) | 827.3 (514.1) |
135/70R18 | 25.4x5.3R18 | 25.4" (646.2 mm) | 5.3" (135 mm) | 18" x n/a | 3.7" (94.5 mm) | 79.9" (2030.1 mm) | 792.7 (492.6) |
135/80R18 | 26.5x5.3R18 | 26.5" (673.2 mm) | 5.3" (135 mm) | 18" x n/a | 4.3" (108 mm) | 83.3" (2114.9 mm) | 760.9 (472.8) |
145/65R18 | 25.4x5.7R18 | 25.4" (645.7 mm) | 5.7" (145 mm) | 18" x n/a | 3.7" (94.3 mm) | 79.9" (2028.5 mm) | 793.4 (493) |
145/70R18 | 26x5.7R18 | 26" (660.2 mm) | 5.7" (145 mm) | 18" x n/a | 4" (101.5 mm) | 81.7" (2074.1 mm) | 775.9 (482.1) |
145/80R18 | 27.1x5.7R18 | 27.1" (689.2 mm) | 5.7" (145 mm) | 18" x n/a | 4.6" (116 mm) | 85.2" (2165.2 mm) | 743.3 (461.9) |
145/85R18 | 27.7x5.7R18 | 27.7" (703.7 mm) | 5.7" (145 mm) | 18" x n/a | 4.9" (123.3 mm) | 87" (2210.7 mm) | 728 (452.3) |
155/60R18 | 25.3x6.1R18 | 25.3" (643.2 mm) | 6.1" (155 mm) | 18" x n/a | 3.7" (93 mm) | 79.6" (2020.7 mm) | 796.4 (494.9) |
155/70R18 | 26.5x6.1R18 | 26.5" (674.2 mm) | 6.1" (155 mm) | 18" x n/a | 4.3" (108.5 mm) | 83.4" (2118.1 mm) | 759.8 (472.1) |
155/80R18 | 27.8x6.1R18 | 27.8" (705.2 mm) | 6.1" (155 mm) | 18" x n/a | 4.9" (124 mm) | 87.2" (2215.5 mm) | 726.4 (451.4) |
155/85R18 | 28.4x6.1R18 | 28.4" (720.7 mm) | 6.1" (155 mm) | 18" x n/a | 5.2" (131.8 mm) | 89.1" (2264.1 mm) | 710.8 (441.7) |
155/90R18 | 29x6.1R18 | 29" (736.2 mm) | 6.1" (155 mm) | 18" x n/a | 5.5" (139.5 mm) | 91.1" (2312.8 mm) | 695.8 (432.4) |
165/40R18 | 23.2x6.5R18 | 23.2" (589.2 mm) | 6.5" (165 mm) | 18" x n/a | 2.6" (66 mm) | 72.9" (1851 mm) | 869.4 (540.2) |
165/70R18 | 27.1x6.5R18 | 27.1" (688.2 mm) | 6.5" (165 mm) | 18" x n/a | 4.5" (115.5 mm) | 85.1" (2162 mm) | 744.4 (462.5) |
165/90R18 | 29.7x6.5R18 | 29.7" (754.2 mm) | 6.5" (165 mm) | 18" x n/a | 5.8" (148.5 mm) | 93.3" (2369.4 mm) | 679.2 (422) |
175/45R18 | 24.2x6.9R18 | 24.2" (614.7 mm) | 6.9" (175 mm) | 18" x n/a | 3.1" (78.8 mm) | 76" (1931.1 mm) | 833.4 (517.8) |
175/80R18 | 29x6.9R18 | 29" (737.2 mm) | 6.9" (175 mm) | 18" x n/a | 5.5" (140 mm) | 91.2" (2316 mm) | 694.9 (431.8) |
175/90R18 | 30.4x6.9R18 | 30.4" (772.2 mm) | 6.9" (175 mm) | 18" x n/a | 6.2" (157.5 mm) | 95.5" (2425.9 mm) | 663.4 (412.2) |
185/55R18 | 26x7.3R18 | 26" (660.7 mm) | 7.3" (185 mm) | 18" x n/a | 4" (101.8 mm) | 81.7" (2075.7 mm) | 775.3 (481.8) |
195/35R18 | 23.4x7.7R18 | 23.4" (593.7 mm) | 7.7" (195 mm) | 18" x n/a | 2.7" (68.3 mm) | 73.4" (1865.2 mm) | 862.8 (536.1) |
205/35R18 | 23.6x8.1R18 | 23.6" (600.7 mm) | 8.1" (205 mm) | 18" x 7.0-8.0" | 2.8" (71.8 mm) | 74.3" (1887.2 mm) | 852.8 (529.9) |
205/40R18 | 24.5x8.1R18 | 24.5" (621.2 mm) | 8.1" (205 mm) | 18" x 7.0-8.0" | 3.2" (82 mm) | 76.8" (1951.6 mm) | 824.6 (512.4) |
205/45R18 | 25.3x8.1R18 | 25.3" (641.7 mm) | 8.1" (205 mm) | 18" x 6.5-7.5" | 3.6" (92.3 mm) | 79.4" (2016 mm) | 798.3 (496) |
205/50R18 | 26.1x8.1R18 | 26.1" (662.2 mm) | 8.1" (205 mm) | 18" x n/a | 4" (102.5 mm) | 81.9" (2080.4 mm) | 773.6 (480.7) |
205/55R18 | 26.9x8.1R18 | 26.9" (682.7 mm) | 8.1" (205 mm) | 18" x 5.5-7.5" | 4.4" (112.8 mm) | 84.4" (2144.8 mm) | 750.4 (466.3) |
205/60R18 | 27.7x8.1R18 | 27.7" (703.2 mm) | 8.1" (205 mm) | 18" x 5.0-7.5" | 4.8" (123 mm) | 87" (2209.2 mm) | 728.5 (452.7) |
215/35R18 | 23.9x8.5R18 | 23.9" (607.7 mm) | 8.5" (215 mm) | 18" x 7.0-8.5" | 3" (75.3 mm) | 75.2" (1909.1 mm) | 843 (523.8) |
215/40R18 | 24.8x8.5R18 | 24.8" (629.2 mm) | 8.5" (215 mm) | 18" x 7.0-8.5" | 3.4" (86 mm) | 77.8" (1976.7 mm) | 814.2 (505.9) |
215/45R18 | 25.6x8.5R18 | 25.6" (650.7 mm) | 8.5" (215 mm) | 18" x 7.0-8.0" | 3.8" (96.8 mm) | 80.5" (2044.2 mm) | 787.3 (489.2) |
215/50R18 | 26.5x8.5R18 | 26.5" (672.2 mm) | 8.5" (215 mm) | 18" x 6.0-7.5" | 4.2" (107.5 mm) | 83.1" (2111.8 mm) | 762.1 (473.5) |
215/55R18 | 27.3x8.5R18 | 27.3" (693.7 mm) | 8.5" (215 mm) | 18" x 6.0-7.5" | 4.7" (118.3 mm) | 85.8" (2179.3 mm) | 738.5 (458.9) |
225/30R18 | 23.3x8.9R18 | 23.3" (592.2 mm) | 8.9" (225 mm) | 18" x 8.0" | 2.7" (67.5 mm) | 73.2" (1860.5 mm) | 865 (537.5) |
225/35R18 | 24.2x8.9R18 | 24.2" (614.7 mm) | 8.9" (225 mm) | 18" x 7.5-9.0" | 3.1" (78.8 mm) | 76" (1931.1 mm) | 833.4 (517.8) |
225/40R18 | 25.1x8.9R18 | 25.1" (637.2 mm) | 8.9" (225 mm) | 18" x 7.5-9.0" | 3.5" (90 mm) | 78.8" (2001.8 mm) | 803.9 (499.5) |
225/45R18 | 26x8.9R18 | 26" (659.7 mm) | 8.9" (225 mm) | 18" x 7.0-8.5" | 4" (101.3 mm) | 81.6" (2072.5 mm) | 776.5 (482.5) |
225/50R18 | 26.9x8.9R18 | 26.9" (682.2 mm) | 8.9" (225 mm) | 18" x 6.0-8.0" | 4.4" (112.5 mm) | 84.4" (2143.2 mm) | 750.9 (466.6) |
225/55R18 | 27.7x8.9R18 | 27.7" (704.7 mm) | 8.9" (225 mm) | 18" x 6.0-8.0" | 4.9" (123.8 mm) | 87.2" (2213.9 mm) | 726.9 (451.7) |
225/60R18 | 28.6x8.9R18 | 28.6" (727.2 mm) | 8.9" (225 mm) | 18" x 6.0-8.0" | 5.3" (135 mm) | 89.9" (2284.6 mm) | 704.4 (437.7) |
225/65R18 | 29.5x8.9R18 | 29.5" (749.7 mm) | 8.9" (225 mm) | 18" x 6.0-8.0" | 5.8" (146.3 mm) | 92.7" (2355.3 mm) | 683.3 (424.6) |
225/75R18 | 31.3x8.9R18 | 31.3" (794.7 mm) | 8.9" (225 mm) | 18" x n/a | 6.6" (168.8 mm) | 98.3" (2496.6 mm) | 644.6 (400.5) |
235/30R18 | 23.6x9.3R18 | 23.6" (598.2 mm) | 9.3" (235 mm) | 18" x n/a | 2.8" (70.5 mm) | 74" (1879.3 mm) | 856.4 (532.1) |
235/35R18 | 24.5x9.3R18 | 24.5" (621.7 mm) | 9.3" (235 mm) | 18" x 8.0-9.5" | 3.2" (82.3 mm) | 76.9" (1953.1 mm) | 824 (512) |
235/40R18 | 25.4x9.3R18 | 25.4" (645.2 mm) | 9.3" (235 mm) | 18" x 8.0-9.5" | 3.7" (94 mm) | 79.8" (2027 mm) | 794 (493.4) |
235/45R18 | 26.3x9.3R18 | 26.3" (668.7 mm) | 9.3" (235 mm) | 18" x 7.5-9.0" | 4.2" (105.8 mm) | 82.7" (2100.8 mm) | 766.1 (476) |
235/50R18 | 27.3x9.3R18 | 27.3" (692.2 mm) | 9.3" (235 mm) | 18" x 6.5-8.5" | 4.6" (117.5 mm) | 85.6" (2174.6 mm) | 740.1 (459.9) |
235/55R18 | 28.2x9.3R18 | 28.2" (715.7 mm) | 9.3" (235 mm) | 18" x 6.5-8.5" | 5.1" (129.3 mm) | 88.5" (2248.4 mm) | 715.8 (444.8) |
235/60R18 | 29.1x9.3R18 | 29.1" (739.2 mm) | 9.3" (235 mm) | 18" x 6.5-8.5" | 5.6" (141 mm) | 91.4" (2322.3 mm) | 693 (430.6) |
235/65R18 | 30x9.3R18 | 30" (762.7 mm) | 9.3" (235 mm) | 18" x 6.5-8.5" | 6" (152.8 mm) | 94.3" (2396.1 mm) | 671.7 (417.3) |
235/70R18 | 31x9.3R18 | 31" (786.2 mm) | 9.3" (235 mm) | 18" x 6.5-8.5" | 6.5" (164.5 mm) | 97.2" (2469.9 mm) | 651.6 (404.9) |
235/75R18 | 31.9x9.3R18 | 31.9" (809.7 mm) | 9.3" (235 mm) | 18" x n/a | 6.9" (176.3 mm) | 100.1" (2543.7 mm) | 632.7 (393.1) |
245/30R18 | 23.8x9.6R18 | 23.8" (604.2 mm) | 9.6" (245 mm) | 18" x 8.0-9.0" | 2.9" (73.5 mm) | 74.7" (1898.2 mm) | 847.8 (526.8) |
245/35R18 | 24.8x9.6R18 | 24.8" (628.7 mm) | 9.6" (245 mm) | 18" x 8.0-9.5" | 3.4" (85.8 mm) | 77.8" (1975.1 mm) | 814.8 (506.3) |
245/40R18 | 25.7x9.6R18 | 25.7" (653.2 mm) | 9.6" (245 mm) | 18" x 8.0-9.5" | 3.9" (98 mm) | 80.8" (2052.1 mm) | 784.2 (487.3) |
245/45R18 | 26.7x9.6R18 | 26.7" (677.7 mm) | 9.6" (245 mm) | 18" x 7.5-9.0" | 4.3" (110.3 mm) | 83.8" (2129.1 mm) | 755.9 (469.7) |
245/50R18 | 27.6x9.6R18 | 27.6" (702.2 mm) | 9.6" (245 mm) | 18" x 7.0-8.5" | 4.8" (122.5 mm) | 86.9" (2206 mm) | 729.5 (453.3) |
245/55R18 | 28.6x9.6R18 | 28.6" (726.7 mm) | 9.6" (245 mm) | 18" x 7.0-8.5" | 5.3" (134.8 mm) | 89.9" (2283 mm) | 704.9 (438) |
245/60R18 | 29.6x9.6R18 | 29.6" (751.2 mm) | 9.6" (245 mm) | 18" x 7.0-8.5" | 5.8" (147 mm) | 92.9" (2360 mm) | 681.9 (423.7) |
245/65R18 | 30.5x9.6R18 | 30.5" (775.7 mm) | 9.6" (245 mm) | 18" x 7.0-8.5" | 6.3" (159.3 mm) | 95.9" (2436.9 mm) | 660.4 (410.4) |
245/70R18 | 31.5x9.6R18 | 31.5" (800.2 mm) | 9.6" (245 mm) | 18" x n/a | 6.8" (171.5 mm) | 99" (2513.9 mm) | 640.2 (397.8) |
245/75R18 | 32.5x9.6R18 | 32.5" (824.7 mm) | 9.6" (245 mm) | 18" x 6.5-8.0" | 7.2" (183.8 mm) | 102" (2590.9 mm) | 621.2 (386) |
255/30R18 | 24x10R18 | 24" (610.2 mm) | 10" (255 mm) | 18" x 8.5-9.5" | 3" (76.5 mm) | 75.5" (1917 mm) | 839.5 (521.6) |
255/35R18 | 25x10R18 | 25" (635.7 mm) | 10" (255 mm) | 18" x 8.5-10.0" | 3.5" (89.3 mm) | 78.6" (1997.1 mm) | 805.8 (500.7) |
255/40R18 | 26x10R18 | 26" (661.2 mm) | 10" (255 mm) | 18" x 8.5-10.0" | 4" (102 mm) | 81.8" (2077.2 mm) | 774.8 (481.4) |
255/45R18 | 27x10R18 | 27" (686.7 mm) | 10" (255 mm) | 18" x 8.0-9.5" | 4.5" (114.8 mm) | 84.9" (2157.3 mm) | 746 (463.5) |
255/50R18 | 28x10R18 | 28" (712.2 mm) | 10" (255 mm) | 18" x 7.0-9.0" | 5" (127.5 mm) | 88.1" (2237.4 mm) | 719.3 (446.9) |
255/55R18 | 29x10R18 | 29" (737.7 mm) | 10" (255 mm) | 18" x 7.0-9.0" | 5.5" (140.3 mm) | 91.2" (2317.6 mm) | 694.4 (431.5) |
255/60R18 | 30x10R18 | 30" (763.2 mm) | 10" (255 mm) | 18" x 7.0-9.0" | 6" (153 mm) | 94.4" (2397.7 mm) | 671.2 (417.1) |
255/65R18 | 31.1x10R18 | 31.1" (788.7 mm) | 10" (255 mm) | 18" x 7.0-9.0" | 6.5" (165.8 mm) | 97.6" (2477.8 mm) | 649.5 (403.6) |
255/70R18 | 32.1x10R18 | 32.1" (814.2 mm) | 10" (255 mm) | 18" x 6.5-8.5" | 7" (178.5 mm) | 100.7" (2557.9 mm) | 629.2 (390.9) |
265/30R18 | 24.3x10.4R18 | 24.3" (616.2 mm) | 10.4" (265 mm) | 18" x 9.0-10.0" | 3.1" (79.5 mm) | 76.2" (1935.8 mm) | 831.3 (516.6) |
265/35R18 | 25.3x10.4R18 | 25.3" (642.7 mm) | 10.4" (265 mm) | 18" x 9.0-10.5" | 3.7" (92.8 mm) | 79.5" (2019.1 mm) | 797.1 (495.3) |
265/40R18 | 26.3x10.4R18 | 26.3" (669.2 mm) | 10.4" (265 mm) | 18" x 9.0-10.5" | 4.2" (106 mm) | 82.8" (2102.4 mm) | 765.5 (475.7) |
265/45R18 | 27.4x10.4R18 | 27.4" (695.7 mm) | 10.4" (265 mm) | 18" x 8.5-10.0" | 4.7" (119.3 mm) | 86" (2185.6 mm) | 736.3 (457.5) |
265/50R18 | 28.4x10.4R18 | 28.4" (722.2 mm) | 10.4" (265 mm) | 18" x 7.5-9.5" | 5.2" (132.5 mm) | 89.3" (2268.9 mm) | 709.3 (440.8) |
265/55R18 | 29.5x10.4R18 | 29.5" (748.7 mm) | 10.4" (265 mm) | 18" x 7.5-9.5" | 5.7" (145.8 mm) | 92.6" (2352.1 mm) | 684.2 (425.2) |
265/60R18 | 30.5x10.4R18 | 30.5" (775.2 mm) | 10.4" (265 mm) | 18" x 7.5-9.5" | 6.3" (159 mm) | 95.9" (2435.4 mm) | 660.8 (410.6) |
265/65R18 | 31.6x10.4R18 | 31.6" (801.7 mm) | 10.4" (265 mm) | 18" x 7.5-9.5" | 6.8" (172.3 mm) | 99.2" (2518.6 mm) | 639 (397) |
265/70R18 | 32.6x10.4R18 | 32.6" (828.2 mm) | 10.4" (265 mm) | 18" x 7.0-9.0" | 7.3" (185.5 mm) | 102.4" (2601.9 mm) | 618.5 (384.3) |
275/35R18 | 25.6x10.8R18 | 25.6" (649.7 mm) | 10.8" (275 mm) | 18" x 9.0-11.0" | 3.8" (96.3 mm) | 80.4" (2041.1 mm) | 788.5 (489.9) |
275/40R18 | 26.7x10.8R18 | 26.7" (677.2 mm) | 10.8" (275 mm) | 18" x 9.0-11.0" | 4.3" (110 mm) | 83.8" (2127.5 mm) | 756.5 (470) |
275/45R18 | 27.7x10.8R18 | 27.7" (704.7 mm) | 10.8" (275 mm) | 18" x 8.5-10.5" | 4.9" (123.8 mm) | 87.2" (2213.9 mm) | 726.9 (451.7) |
275/50R18 | 28.8x10.8R18 | 28.8" (732.2 mm) | 10.8" (275 mm) | 18" x 7.5-9.5" | 5.4" (137.5 mm) | 90.6" (2300.3 mm) | 699.6 (434.7) |
275/55R18 | 29.9x10.8R18 | 29.9" (759.7 mm) | 10.8" (275 mm) | 18" x 7.5-9.5" | 6" (151.3 mm) | 94" (2386.7 mm) | 674.3 (419) |
275/60R18 | 31x10.8R18 | 31" (787.2 mm) | 10.8" (275 mm) | 18" x 7.5-9.5" | 6.5" (165 mm) | 97.4" (2473.1 mm) | 650.7 (404.4) |
275/65R18 | 32.1x10.8R18 | 32.1" (814.7 mm) | 10.8" (275 mm) | 18" x 7.5-9.5" | 7" (178.8 mm) | 100.8" (2559.5 mm) | 628.8 (390.7) |
275/70R18 | 33.2x10.8R18 | 33.2" (842.2 mm) | 10.8" (275 mm) | 18" x 7.0-8.5" | 7.6" (192.5 mm) | 104.2" (2645.8 mm) | 608.3 (378) |
275/80R18 | 35.3x10.8R18 | 35.3" (897.2 mm) | 10.8" (275 mm) | 18" x n/a | 8.7" (220 mm) | 111" (2818.6 mm) | 571 (354.8) |
285/30R18 | 24.7x11.2R18 | 24.7" (628.2 mm) | 11.2" (285 mm) | 18" x 9.5-10.5" | 3.4" (85.5 mm) | 77.7" (1973.5 mm) | 815.5 (506.7) |
285/35R18 | 25.9x11.2R18 | 25.9" (656.7 mm) | 11.2" (285 mm) | 18" x 9.5-11.0" | 3.9" (99.8 mm) | 81.2" (2063.1 mm) | 780.1 (484.7) |
285/40R18 | 27x11.2R18 | 27" (685.2 mm) | 11.2" (285 mm) | 18" x 9.5-11.0" | 4.5" (114 mm) | 84.7" (2152.6 mm) | 747.6 (464.6) |
285/45R18 | 28.1x11.2R18 | 28.1" (713.7 mm) | 11.2" (285 mm) | 18" x 9.0-10.5" | 5" (128.3 mm) | 88.3" (2242.2 mm) | 717.8 (446) |
285/50R18 | 29.2x11.2R18 | 29.2" (742.2 mm) | 11.2" (285 mm) | 18" x 8.0-10.0" | 5.6" (142.5 mm) | 91.8" (2331.7 mm) | 690.2 (428.9) |
285/55R18 | 30.3x11.2R18 | 30.3" (770.7 mm) | 11.2" (285 mm) | 18" x 8.0-10.0" | 6.2" (156.8 mm) | 95.3" (2421.2 mm) | 664.7 (413) |
285/60R18 | 31.5x11.2R18 | 31.5" (799.2 mm) | 11.2" (285 mm) | 18" x 8.0-10.0" | 6.7" (171 mm) | 98.8" (2510.8 mm) | 641 (398.3) |
285/65R18 | 32.6x11.2R18 | 32.6" (827.7 mm) | 11.2" (285 mm) | 18" x 8.0-10.0" | 7.3" (185.3 mm) | 102.4" (2600.3 mm) | 618.9 (384.6) |
285/70R18 | 33.7x11.2R18 | 33.7" (856.2 mm) | 11.2" (285 mm) | 18" x 7.5-9.5" | 7.9" (199.5 mm) | 105.9" (2689.8 mm) | 598.3 (371.8) |
285/75R18 | 34.8x11.2R18 | 34.8" (884.7 mm) | 11.2" (285 mm) | 18" x 7.5-9.5" | 8.4" (213.8 mm) | 109.4" (2779.4 mm) | 579 (359.8) |
295/30R18 | 25x11.6R18 | 25" (634.2 mm) | 11.6" (295 mm) | 18" x 10.0-11.0" | 3.5" (88.5 mm) | 78.4" (1992.4 mm) | 807.7 (501.9) |
295/35R18 | 26.1x11.6R18 | 26.1" (663.7 mm) | 11.6" (295 mm) | 18" x 10.0-11.5" | 4.1" (103.3 mm) | 82.1" (2085.1 mm) | 771.8 (479.6) |
295/40R18 | 27.3x11.6R18 | 27.3" (693.2 mm) | 11.6" (295 mm) | 18" x 10.0-11.5" | 4.6" (118 mm) | 85.7" (2177.8 mm) | 739 (459.2) |
295/45R18 | 28.5x11.6R18 | 28.5" (722.7 mm) | 11.6" (295 mm) | 18" x 9.5-11.0" | 5.2" (132.8 mm) | 89.4" (2270.4 mm) | 708.8 (440.4) |
295/65R18 | 33.1x11.6R18 | 33.1" (840.7 mm) | 11.6" (295 mm) | 18" x 8.0-10.0" | 7.5" (191.8 mm) | 104" (2641.1 mm) | 609.3 (378.6) |
295/70R18 | 34.3x11.6R18 | 34.3" (870.2 mm) | 11.6" (295 mm) | 18" x 7.0-10.0" | 8.1" (206.5 mm) | 107.6" (2733.8 mm) | 588.7 (365.8) |
305/30R18 | 25.2x12R18 | 25.2" (640.2 mm) | 12" (305 mm) | 18" x 10.5-11.5" | 3.6" (91.5 mm) | 79.2" (2011.2 mm) | 800.2 (497.2) |
305/35R18 | 26.4x12R18 | 26.4" (670.7 mm) | 12" (305 mm) | 18" x 10.0-12.0" | 4.2" (106.8 mm) | 83" (2107.1 mm) | 763.8 (474.6) |
305/40R18 | 27.6x12R18 | 27.6" (701.2 mm) | 12" (305 mm) | 18" x 10.0-12.0" | 4.8" (122 mm) | 86.7" (2202.9 mm) | 730.6 (454) |
305/45R18 | 28.8x12R18 | 28.8" (731.7 mm) | 12" (305 mm) | 18" x 9.5-11.5" | 5.4" (137.3 mm) | 90.5" (2298.7 mm) | 700.1 (435) |
305/60R18 | 32.4x12R18 | 32.4" (823.2 mm) | 12" (305 mm) | 18" x 8.5-11.0" | 7.2" (183 mm) | 101.8" (2586.2 mm) | 622.3 (386.7) |
305/65R18 | 33.6x12R18 | 33.6" (853.7 mm) | 12" (305 mm) | 18" x 8.5-11.0" | 7.8" (198.3 mm) | 105.6" (2682 mm) | 600.1 (372.9) |
305/70R18 | 34.8x12R18 | 34.8" (884.2 mm) | 12" (305 mm) | 18" x 8.5-10.0" | 8.4" (213.5 mm) | 109.4" (2777.8 mm) | 579.4 (360) |
305/75R18 | 36x12R18 | 36" (914.7 mm) | 12" (305 mm) | 18" x n/a | 9" (228.8 mm) | 113.1" (2873.6 mm) | 560 (348) |
315/30R18 | 25.4x12.4R18 | 25.4" (646.2 mm) | 12.4" (315 mm) | 18" x 10.5-11.5" | 3.7" (94.5 mm) | 79.9" (2030.1 mm) | 792.7 (492.6) |
315/35R18 | 26.7x12.4R18 | 26.7" (677.7 mm) | 12.4" (315 mm) | 18" x 10.5-12.5" | 4.3" (110.3 mm) | 83.8" (2129.1 mm) | 755.9 (469.7) |
315/40R18 | 27.9x12.4R18 | 27.9" (709.2 mm) | 12.4" (315 mm) | 18" x 10.5-12.5" | 5" (126 mm) | 87.7" (2228 mm) | 722.3 (448.8) |
315/70R18 | 35.4x12.4R18 | 35.4" (898.2 mm) | 12.4" (315 mm) | 18" x 8.0-11.0" | 8.7" (220.5 mm) | 111.1" (2821.8 mm) | 570.3 (354.4) |
325/35R18 | 27x12.8R18 | 27" (684.7 mm) | 12.8" (325 mm) | 18" x 11.0-13.0" | 4.5" (113.8 mm) | 84.7" (2151 mm) | 748.2 (464.9) |
325/45R18 | 29.5x12.8R18 | 29.5" (749.7 mm) | 12.8" (325 mm) | 18" x n/a | 5.8" (146.3 mm) | 92.7" (2355.3 mm) | 683.3 (424.6) |
325/60R18 | 33.4x12.8R18 | 33.4" (847.2 mm) | 12.8" (325 mm) | 18" x 8.5-10.0" | 7.7" (195 mm) | 104.8" (2661.6 mm) | 604.7 (375.7) |
325/65R18 | 34.6x12.8R18 | 34.6" (879.7 mm) | 12.8" (325 mm) | 18" x 9.0-10.0" | 8.3" (211.3 mm) | 108.8" (2763.7 mm) | 582.3 (361.8) |
335/30R18 | 25.9x13.2R18 | 25.9" (658.2 mm) | 13.2" (335 mm) | 18" x 11.5-12.5" | 4" (100.5 mm) | 81.4" (2067.8 mm) | 778.3 (483.6) |
335/35R18 | 27.2x13.2R18 | 27.2" (691.7 mm) | 13.2" (335 mm) | 18" x n/a | 4.6" (117.3 mm) | 85.6" (2173 mm) | 740.6 (460.2) |
345/30R18 | 26.1x13.6R18 | 26.1" (664.2 mm) | 13.6" (345 mm) | 18" x 12.0-14.0" | 4.1" (103.5 mm) | 82.2" (2086.6 mm) | 771.3 (479.2) |
345/35R18 | 27.5x13.6R18 | 27.5" (698.7 mm) | 13.6" (345 mm) | 18" x 11.5-13.5" | 4.8" (120.8 mm) | 86.4" (2195 mm) | 733.2 (455.6) |
345/60R18 | 34.3x13.6R18 | 34.3" (871.2 mm) | 13.6" (345 mm) | 18" x n/a | 8.1" (207 mm) | 107.8" (2737 mm) | 588 (365.4) |
355/65R18 | 36.2x14R18 | 36.2" (918.7 mm) | 14" (355 mm) | 18" x 10.0-11.0" | 9.1" (230.8 mm) | 113.6" (2886.2 mm) | 557.6 (346.5) |
375/50R18 | 32.8x14.8R18 | 32.8" (832.2 mm) | 14.8" (375 mm) | 18" x n/a | 7.4" (187.5 mm) | 102.9" (2614.4 mm) | 615.6 (382.5) |
375/60R18 | 35.7x14.8R18 | 35.7" (907.2 mm) | 14.8" (375 mm) | 18" x n/a | 8.9" (225 mm) | 112.2" (2850.1 mm) | 564.7 (350.9) |
395/65R18 | 38.2x15.6R18 | 38.2" (970.7 mm) | 15.6" (395 mm) | 18" x n/a | 10.1" (256.8 mm) | 120.1" (3049.5 mm) | 527.7 (327.9) |