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18 inch
clear
  1. width
  2. profile
Select 205, 215, 225, 235, 245, 255, 265, 275, 285, 295, 315, 335,
Select 30, 35, 40, 45, 50, 55, 60, 65,

Tyre Dimensions: 18 inch

18 inch

18 inch tyre sizes

30% 35% 40% 45% 50% 55% 60% 65%
205 205 35 18
205 40 18
205 45 18
215 215 35 18
215 40 18
215 45 18
215 55 18
225 225 35 18
225 40 18
225 45 18
225 50 18
225 55 18
225 60 18
225 65 18
235 235 30 18
235 35 18
235 40 18
235 45 18
235 50 18
235 55 18
235 60 18
235 65 18
245 245 35 18
245 40 18
245 45 18
245 50 18
245 60 18
255 255 35 18
255 40 18
255 45 18
255 55 18
255 60 18
265 265 35 18
265 40 18
265 60 18
275 275 35 18
275 40 18
275 45 18
285 285 30 18
285 35 18
285 40 18
285 50 18
285 55 18
285 60 18
295 295 30 18
295 35 18
315 315 30 18
335 335 30 18

Graph

Metric Dimensions

18 inch size(s) in mm (Jump to Imperial Table)
size sidewall height ID
inner diameter		 OD
overall diameter		 circumference ride height
overall radius
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235 30 1870.5mm457.2mm598.2mm1879.3mm299.1mm
205 35 1871.75mm457.2mm600.7mm1887.15mm300.35mm
215 35 1875.25mm457.2mm607.7mm1909.15mm303.85mm
225 35 1878.75mm457.2mm614.7mm1931.14mm307.35mm
205 40 1882mm457.2mm621.2mm1951.56mm310.6mm
235 35 1882.25mm457.2mm621.7mm1953.13mm310.85mm
285 30 1885.5mm457.2mm628.2mm1973.55mm314.1mm
245 35 1885.75mm457.2mm628.7mm1975.12mm314.35mm
215 40 1886mm457.2mm629.2mm1976.69mm314.6mm
295 30 1888.5mm457.2mm634.2mm1992.4mm317.1mm
255 35 1889.25mm457.2mm635.7mm1997.11mm317.85mm
225 40 1890mm457.2mm637.2mm2001.82mm318.6mm
205 45 1892.25mm457.2mm641.7mm2015.96mm320.85mm
265 35 1892.75mm457.2mm642.7mm2019.1mm321.35mm
235 40 1894mm457.2mm645.2mm2026.96mm322.6mm
315 30 1894.5mm457.2mm646.2mm2030.1mm323.1mm
275 35 1896.25mm457.2mm649.7mm2041.09mm324.85mm
215 45 1896.75mm457.2mm650.7mm2044.23mm325.35mm
245 40 1898mm457.2mm653.2mm2052.09mm326.6mm
285 35 1899.75mm457.2mm656.7mm2063.08mm328.35mm
335 30 18100.5mm457.2mm658.2mm2067.8mm329.1mm
225 45 18101.25mm457.2mm659.7mm2072.51mm329.85mm
255 40 18102mm457.2mm661.2mm2077.22mm330.6mm
295 35 18103.25mm457.2mm663.7mm2085.08mm331.85mm
235 45 18105.75mm457.2mm668.7mm2100.78mm334.35mm
265 40 18106mm457.2mm669.2mm2102.35mm334.6mm
275 40 18110mm457.2mm677.2mm2127.49mm338.6mm
245 45 18110.25mm457.2mm677.7mm2129.06mm338.85mm
225 50 18112.5mm457.2mm682.2mm2143.19mm341.1mm
285 40 18114mm457.2mm685.2mm2152.62mm342.6mm
255 45 18114.75mm457.2mm686.7mm2157.33mm343.35mm
235 50 18117.5mm457.2mm692.2mm2174.61mm346.1mm
215 55 18118.25mm457.2mm693.7mm2179.32mm346.85mm
245 50 18122.5mm457.2mm702.2mm2206.03mm351.1mm
275 45 18123.75mm457.2mm704.7mm2213.88mm352.35mm
225 55 18123.75mm457.2mm704.7mm2213.88mm352.35mm
235 55 18129.25mm457.2mm715.7mm2248.44mm357.85mm
225 60 18135mm457.2mm727.2mm2284.57mm363.6mm
255 55 18140.25mm457.2mm737.7mm2317.55mm368.85mm
235 60 18141mm457.2mm739.2mm2322.27mm369.6mm
285 50 18142.5mm457.2mm742.2mm2331.69mm371.1mm
225 65 18146.25mm457.2mm749.7mm2355.25mm374.85mm
245 60 18147mm457.2mm751.2mm2359.96mm375.6mm
235 65 18152.75mm457.2mm762.7mm2396.09mm381.35mm
255 60 18153mm457.2mm763.2mm2397.66mm381.6mm
285 55 18156.75mm457.2mm770.7mm2421.23mm385.35mm
265 60 18159mm457.2mm775.2mm2435.36mm387.6mm
285 60 18171mm457.2mm799.2mm2510.76mm399.6mm

Imperial Dimensions

18 inch size(s) in inches (Jump to Metric Table)
size sidewall height ID
inner diameter		 OD
overall diameter		 circumference ride height
overall radius
 
235 30 182.78 inches18 inches23.55 inches73.99 inches11.78 inches
205 35 182.82 inches18 inches23.65 inches74.3 inches11.82 inches
215 35 182.96 inches18 inches23.93 inches75.16 inches11.96 inches
225 35 183.1 inches18 inches24.2 inches76.03 inches12.1 inches
205 40 183.23 inches18 inches24.46 inches76.83 inches12.23 inches
235 35 183.24 inches18 inches24.48 inches76.89 inches12.24 inches
285 30 183.37 inches18 inches24.73 inches77.7 inches12.37 inches
245 35 183.38 inches18 inches24.75 inches77.76 inches12.38 inches
215 40 183.39 inches18 inches24.77 inches77.82 inches12.39 inches
295 30 183.48 inches18 inches24.97 inches78.44 inches12.48 inches
255 35 183.51 inches18 inches25.03 inches78.63 inches12.51 inches
225 40 183.54 inches18 inches25.09 inches78.81 inches12.54 inches
205 45 183.63 inches18 inches25.26 inches79.37 inches12.63 inches
265 35 183.65 inches18 inches25.3 inches79.49 inches12.65 inches
235 40 183.7 inches18 inches25.4 inches79.8 inches12.7 inches
315 30 183.72 inches18 inches25.44 inches79.93 inches12.72 inches
275 35 183.79 inches18 inches25.58 inches80.36 inches12.79 inches
215 45 183.81 inches18 inches25.62 inches80.48 inches12.81 inches
245 40 183.86 inches18 inches25.72 inches80.79 inches12.86 inches
285 35 183.93 inches18 inches25.85 inches81.22 inches12.93 inches
335 30 183.96 inches18 inches25.91 inches81.41 inches12.96 inches
225 45 183.99 inches18 inches25.97 inches81.59 inches12.99 inches
255 40 184.02 inches18 inches26.03 inches81.78 inches13.02 inches
295 35 184.06 inches18 inches26.13 inches82.09 inches13.06 inches
235 45 184.16 inches18 inches26.33 inches82.71 inches13.16 inches
265 40 184.17 inches18 inches26.35 inches82.77 inches13.17 inches
275 40 184.33 inches18 inches26.66 inches83.76 inches13.33 inches
245 45 184.34 inches18 inches26.68 inches83.82 inches13.34 inches
225 50 184.43 inches18 inches26.86 inches84.38 inches13.43 inches
285 40 184.49 inches18 inches26.98 inches84.75 inches13.49 inches
255 45 184.52 inches18 inches27.04 inches84.93 inches13.52 inches
235 50 184.63 inches18 inches27.25 inches85.61 inches13.63 inches
215 55 184.66 inches18 inches27.31 inches85.8 inches13.66 inches
245 50 184.82 inches18 inches27.65 inches86.85 inches13.82 inches
275 45 184.87 inches18 inches27.74 inches87.16 inches13.87 inches
225 55 184.87 inches18 inches27.74 inches87.16 inches13.87 inches
235 55 185.09 inches18 inches28.18 inches88.52 inches14.09 inches
225 60 185.31 inches18 inches28.63 inches89.94 inches14.31 inches
255 55 185.52 inches18 inches29.04 inches91.24 inches14.52 inches
235 60 185.55 inches18 inches29.1 inches91.43 inches14.55 inches
285 50 185.61 inches18 inches29.22 inches91.8 inches14.61 inches
225 65 185.76 inches18 inches29.52 inches92.73 inches14.76 inches
245 60 185.79 inches18 inches29.57 inches92.91 inches14.79 inches
235 65 186.01 inches18 inches30.03 inches94.33 inches15.01 inches
255 60 186.02 inches18 inches30.05 inches94.4 inches15.02 inches
285 55 186.17 inches18 inches30.34 inches95.32 inches15.17 inches
265 60 186.26 inches18 inches30.52 inches95.88 inches15.26 inches
285 60 186.73 inches18 inches31.46 inches98.85 inches15.73 inches
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