Tire Size Conversion Chart

Posted by Jeremy Ricks on 2/6/2021 to Tech Support

Here is a quick reference guide for you when converting a metric tire size to inches for a 17" and 20" diameter wheel.

Tire Converter Chart for 17" Wheels

22" Tire Diameter
22X2.5R1722X2.5R17
23" Tire Diameter
125/70R1723.9X4.9R17
195/40R1723.1X7.7R17
195/45R1723.9X7.7R17
205/40R1723.5X8.1R17
215/35R1722.9X8.5R17
215/40R1723.8X8.5R17
225/35R1723.2X8.9R17
245/35R1723.8X9.6R17
24" Tire Diameter
125/80R1724.9X4.9R17
135/70R1724.4X5.3R17
205/45R1724.3X8.1R17
215/45R1724.6X8.5R17
225/40R1724.1X8.9R17
235/40R1724.4X9.3R17
245/40R1724.7X9.6R17
275/35R1724.6X10.8R17
25" Tire Diameter
115/95R1725.6X4.5R17
135/80R1725.5X5.3R17
145/70R1725X5.7R17
155/70R1725.5X6.1R17
205/50R1725.1X8.1R17
205/55R1725.9X8.1R17
215/50R1725.5X8.5R17
225/45R1725X8.9R17
225/50R1725.9X8.9R17
235/45R1725.3X9.3R17
245/45R1725.7X9.6R17
255/40R1725X10R17
265/40R1725.3X10.4R17
275/40R1725.7X10.8R17
295/35R1725.1X11.6R17
315/35R1725.7X12.4R17
26" Tire Diameter
135/90R1726.6X5.3R17
145/80R1726.1X5.7R17
155/80R1726.8X6.1R17
215/55R1726.3X8.5R17
225/55R1726.7X8.9R17
235/50R1726.3X9.3R17
245/50R1726.6X9.6R17
255/45R1726X10R17
26X11.5R1726X11.5R17
285/40R1726X11.2R17
295/40R1726.3X11.6R17
335/35R1726.2X13.2R17
27" Tire Diameter
145/90R1727.3X5.7R17
165/80R1727.4X6.5R17
215/60R1727.2X8.5R17
225/60R1727.6X8.9R17
235/55R1727.2X9.3R17
245/55R1727.6X9.6R17
255/50R1727X10R17
275/50R1727.8X10.8R17
305/45R1727.8X12R17
345/40R1727.9X13.6R17
28" Tire Diameter
155/90R1728X6.1R17
165/90R1728.7X6.5R17
215/65R1728X8.5R17
215/70R1728.9X8.5R17
225/65R1728.5X8.9R17
235/60R1728.1X9.3R17
245/60R1728.6X9.6R17
255/55R1728X10R17
275/55R1728.9X10.8R17
29" Tire Diameter
175/90R1729.4X6.9R17
225/70R1729.4X8.9R17
235/65R1729X9.3R17
245/65R1729.5X9.6R17
255/60R1729X10R17
265/60R1729.5X10.4R17
30" Tire Diameter
225/75R1730.3X8.9R17
235/70R1730X9.3R17
235/75R1730.9X9.3R17
245/70R1730.5X9.6R17
255/65R1730.1X10R17
265/65R1730.6X10.4R17
275/60R1730X10.8R17
285/60R1730.5X11.2R17
31" Tire Diameter
235/80R1731.8X9.3R17
245/75R1731.5X9.6R17
255/70R1731.1X10R17
265/70R1731.6X10.4R17
275/65R1731.1X10.8R17
285/65R1731.6X11.2R17
31X10.5R1731X10.5R17
32" Tire Diameter
235/85R1732.7X9.3R17
255/75R1732.1X10R17
275/70R1732.2X10.8R17
285/70R1732.7X11.2R17
305/65R1732.6X12R17
32X10.5R1732X10.5R17
32X11.5R1732X11.5R17
33" Tire Diameter
255/80R1733.1X10R17
285/75R1733.8X11.2R17
295/70R1733.3X11.6R17
305/70R1733.8X12R17
33X10.5R1733X10.5R17
33X12.5R1733X12.5R17
33X13R1733X13R17
33X13.5R1733X13.5R17
33X9.5R1733X9.5R17
34" Tire Diameter
275/80R1734.3X10.8R17
315/70R1734.4X12.4R17
325/70R1734.9X12.8R17
34X10.5R1734X10.5R17
35" Tire Diameter
35X10.5R1735X10.5R17
35X11.5R1735X11.5R17
35X12.5R1735X12.5R17
35X13.5R1735X13.5R17
35X14.5R1735X14.5R17
36" Tire Diameter
355/70R1736.6X14R17
36X12.5R1736X12.5R17
36X13.5R1736X13.5R17
37" Tire Diameter
37X12.5R1737X12.5R17
37X13R1737X13R17
37X13.5R1737X13.5R17
37X14R1737X14R17
38" Tire Diameter
38X13.5R1738X13.5R17
38X14.5R1738X14.5R17
38X15.5R1738X15.5R17
38.5X13.5R1738.5X13.5R17
38.5X14.5R1738.5X14.5R17
39" Tire Diameter
39X13.5R1739X13.5R17
39.5X13.5R1739.5X13.5R17
39.5X15R1739.5X15R17
40" Tire Diameter
40X13.5R1740X13.5R17
40X14.5R1740X14.5R17
40X16R1740X16R17
41" Tire Diameter
41X14.5R1741X14.5R17
42" Tire Diameter
42X14R1742X14R17
42X14.5R1742X14.5R17
42X15R1742X15R17
42.5X13.5R1742.5X13.5R17
43" Tire Diameter
43X14.5R1743X14.5R17
44" Tire Diameter
44X19.5R1744X19.5R17
44X21R1744X21R17
47" Tire Diameter
47X17R1747X17R17
49" Tire Diameter
49X21R1749X21R17
54" Tire Diameter
54X19.5R1754X19.5R17

Tire Converter Chart for 20" Wheels

25" Tire Diameter
215/30R2025.1X8.5R20
225/30R2025.3X8.9R20
235/30R2025.6X9.3R20
245/30R2025.8X9.6R20
275/25R2025.4X10.8R20
285/25R2025.6X11.2R20
295/25R2025.8X11.6R20
26" Tire Diameter
145/60R2026.9X5.7R20
225/35R2026.2X8.9R20
235/35R2026.5X9.3R20
245/35R2026.8X9.6R20
255/30R2026X10R20
265/30R2026.3X10.4R20
275/30R2026.5X10.8R20
285/30R2026.7X11.2R20
305/25R2026X12R20
315/25R2026.2X12.4R20
325/25R2026.4X12.8R20
335/25R2026.6X13.2R20
345/25R2026.8X13.6R20
27" Tire Diameter
155/60R2027.3X6.1R20
155/65R2027.9X6.1R20
165/60R2027.8X6.5R20
175/55R2027.6X6.9R20
195/50R2027.7X7.7R20
215/45R2027.6X8.5R20
225/40R2027.1X8.9R20
235/40R2027.4X9.3R20
245/40R2027.7X9.6R20
255/35R2027X10R20
265/35R2027.3X10.4R20
275/35R2027.6X10.8R20
285/35R2027.9X11.2R20
295/30R2027X11.6R20
305/30R2027.2X12R20
315/30R2027.4X12.4R20
325/30R2027.7X12.8R20
335/30R2027.9X13.2R20
28" Tire Diameter
225/45R2028X8.9R20
235/45R2028.3X9.3R20
245/45R2028.7X9.6R20
255/40R2028X10R20
265/40R2028.3X10.4R20
275/40R2028.7X10.8R20
295/35R2028.1X11.6R20
305/35R2028.4X12R20
315/35R2028.7X12.4R20
345/30R2028.1X13.6R20
29" Tire Diameter
235/50R2029.3X9.3R20
245/50R2029.6X9.6R20
255/45R2029X10R20
265/45R2029.4X10.4R20
275/45R2029.7X10.8R20
285/40R2029X11.2R20
295/40R2029.3X11.6R20
305/40R2029.6X12R20
325/35R2029X12.8R20
30" Tire Diameter
235/55R2030.2X9.3R20
255/50R2030X10R20
265/50R2030.4X10.4R20
275/50R2030.8X10.8R20
285/45R2030.1X11.2R20
295/45R2030.5X11.6R20
305/45R2030.8X12R20
31" Tire Diameter
245/60R2031.6X9.6R20
255/55R2031X10R20
275/55R2031.9X10.8R20
285/50R2031.2X11.2R20
295/50R2031.6X11.6R20
31X18R2031X18R20
32" Tire Diameter
265/60R2032.5X10.4R20
285/55R2032.3X11.2R20
295/55R2032.8X11.6R20
305/50R2032X12R20
315/50R2032.4X12.4R20
325/50R2032.8X12.8R20
33" Tire Diameter
275/60R2033X10.8R20
285/60R2033.5X11.2R20
295/60R2033.9X11.6R20
305/55R2033.2X12R20
33X11.5R2033X11.5R20
33X12R2033X12R20
33X12.5R2033X12.5R20
33X13.5R2033X13.5R20
34" Tire Diameter
275/65R2034.1X10.8R20
285/65R2034.6X11.2R20
305/60R2034.4X12R20
315/60R2034.9X12.4R20
355/50R2034X14R20
35" Tire Diameter
295/65R2035.1X11.6R20
325/60R2035.4X12.8R20
35X11.5R2035X11.5R20
35X12.5R2035X12.5R20
35X13R2035X13R20
35X13.5R2035X13.5R20
35X14.5R2035X14.5R20
36" Tire Diameter
355/60R2036.8X14R20
36X13.5R2036X13.5R20
36X15.5R2036X15.5R20
37" Tire Diameter
37X11.5R2037X11.5R20
37X12.5R2037X12.5R20
37X13.5R2037X13.5R20
37X14.5R2037X14.5R20
38" Tire Diameter
38X13.5R2038X13.5R20
38X14.5R2038X14.5R20
38X15.5R2038X15.5R20
38.5X13.5R2038.5X13.5R20
38.5X14.5R2038.5X14.5R20
39" Tire Diameter
39X13.5R2039X13.5R20
39.5X13.5R2039.5X13.5R20
39.5X15R2039.5X15R20
40" Tire Diameter
40X13.5R2040X13.5R20
40X14.5R2040X14.5R20
40X15.5R2040X15.5R20
41" Tire Diameter
41X14.5R2041X14.5R20
42" Tire Diameter
42X14.5R2042X14.5R20
42X15R2042X15R20
42.5X13.5R2042.5X13.5R20
43" Tire Diameter
43X14.5R2043X14.5R20
44" Tire Diameter
44X19.5R2044X19.5R20
44X19.5R2044X19.5R20
44X21R2044X21R20
45" Tire Diameter
45X14.5R2045X14.5R20
46" Tire Diameter
46X19.5R2046X19.5R20
49" Tire Diameter
49X21R2049X21R20
54" Tire Diameter
54X19.5R2054X19.5R20


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