Tire size conversion: metric to inches
Light-truck and SUV sizes in both systems. "33s" are about 33 inches tall — here's which metric sizes that means on each rim.
| Metric size | Height | Width | Inch equivalent | Rim |
|---|---|---|---|---|
| 215/65R16 | 27.0" | 8.5" | 27x8.50R16 | 16" |
| 235/65R15 | 27.0" | 9.3" | 27x9.50R15 | 15" |
| 255/60R15 | 27.0" | 10.0" | 27x10.00R15 | 15" |
| 165/70R18 | 27.1" | 6.5" | 27x6.50R18 | 18" |
| 235/60R16 | 27.1" | 9.3" | 27x9.50R16 | 16" |
| 205/75R15 | 27.1" | 8.1" | 27x8.00R15 | 15" |
| 145/80R18 | 27.1" | 5.7" | 27x5.50R18 | 18" |
| 215/60R17 | 27.2" | 8.5" | 27x8.50R17 | 17" |
| 235/55R17 | 27.2" | 9.3" | 27x9.50R17 | 17" |
| 195/60R18 | 27.2" | 7.7" | 27x7.50R18 | 18" |
| 175/60R19 | 27.3" | 6.9" | 27.5x7.00R19 | 19" |
| 145/90R17 | 27.3" | 5.7" | 27.5x5.50R17 | 17" |
| 205/70R16 | 27.3" | 8.1" | 27.5x8.00R16 | 16" |
| 215/55R18 | 27.3" | 8.5" | 27.5x8.50R18 | 18" |
| 155/60R20 | 27.3" | 6.1" | 27.5x6.00R20 | 20" |
| 165/80R17 | 27.4" | 6.5" | 27.5x6.50R17 | 17" |
| 225/70R15 | 27.4" | 8.9" | 27.5x9.00R15 | 15" |
| 145/65R20 | 27.4" | 5.7" | 27.5x5.50R20 | 20" |
| 205/65R17 | 27.5" | 8.1" | 27.5x8.00R17 | 17" |
| 195/75R16 | 27.5" | 7.7" | 27.5x7.50R16 | 16" |
| 225/65R16 | 27.5" | 8.9" | 27.5x9.00R16 | 16" |
| 155/70R19 | 27.5" | 6.1" | 27.5x6.00R19 | 19" |
| 175/55R20 | 27.6" | 6.9" | 27.5x7.00R20 | 20" |
| 245/55R17 | 27.6" | 9.6" | 27.5x9.50R17 | 17" |
| 225/60R17 | 27.6" | 8.9" | 27.5x9.00R17 | 17" |
| 205/60R18 | 27.7" | 8.1" | 27.5x8.00R18 | 18" |
| 215/75R15 | 27.7" | 8.5" | 27.5x8.50R15 | 15" |
| 145/85R18 | 27.7" | 5.7" | 27.5x5.50R18 | 18" |
| 225/55R18 | 27.7" | 8.9" | 27.5x9.00R18 | 18" |
| 295/55R15 | 27.8" | 11.6" | 28x11.50R15 | 15" |
| 165/60R20 | 27.8" | 6.5" | 28x6.50R20 | 20" |
| 215/70R16 | 27.9" | 8.5" | 28x8.50R16 | 16" |
| 155/65R20 | 27.9" | 6.1" | 28x6.00R20 | 20" |
| 235/70R15 | 28.0" | 9.3" | 28x9.50R15 | 15" |
| 155/90R17 | 28.0" | 6.1" | 28x6.00R17 | 17" |
| 275/60R15 | 28.0" | 10.8" | 28x11.00R15 | 15" |
| 215/65R17 | 28.0" | 8.5" | 28x8.50R17 | 17" |
| 235/65R16 | 28.0" | 9.3" | 28x9.50R16 | 16" |
| 255/55R17 | 28.0" | 10.0" | 28x10.00R17 | 17" |
| 255/60R16 | 28.0" | 10.0" | 28x10.00R16 | 16" |
| 255/65R15 | 28.1" | 10.0" | 28x10.00R15 | 15" |
| 235/60R17 | 28.1" | 9.3" | 28x9.50R17 | 17" |
| 205/75R16 | 28.1" | 8.1" | 28x8.00R16 | 16" |
| 145/80R19 | 28.1" | 5.7" | 28x5.50R19 | 19" |
| 215/60R18 | 28.2" | 8.5" | 28x8.50R18 | 18" |
| 235/55R18 | 28.2" | 9.3" | 28x9.50R18 | 18" |
| 195/80R16 | 28.3" | 7.7" | 28.5x7.50R16 | 16" |
| 225/75R15 | 28.3" | 8.9" | 28.5x9.00R15 | 15" |
| 285/55R16 | 28.3" | 11.2" | 28.5x11.00R16 | 16" |
| 155/85R18 | 28.4" | 6.1" | 28.5x6.00R18 | 18" |
| 225/70R16 | 28.4" | 8.9" | 28.5x9.00R16 | 16" |
| 195/55R20 | 28.4" | 7.7" | 28.5x7.50R20 | 20" |
| 245/70R15 | 28.5" | 9.6" | 28.5x9.50R15 | 15" |
| 225/65R17 | 28.5" | 8.9" | 28.5x9.00R17 | 17" |
| 245/60R17 | 28.6" | 9.6" | 28.5x9.50R17 | 17" |
| 245/55R18 | 28.6" | 9.6" | 28.5x9.50R18 | 18" |
| 225/60R18 | 28.6" | 8.9" | 28.5x9.00R18 | 18" |
| 165/90R17 | 28.7" | 6.5" | 28.5x6.50R17 | 17" |
| 215/75R16 | 28.7" | 8.5" | 28.5x8.50R16 | 16" |
| 225/55R19 | 28.7" | 8.9" | 28.5x9.00R19 | 19" |
| 155/80R19 | 28.8" | 6.1" | 29x6.00R19 | 19" |
| 215/70R17 | 28.9" | 8.5" | 29x8.50R17 | 17" |
| 235/75R15 | 28.9" | 9.3" | 29x9.50R15 | 15" |
| 275/55R17 | 28.9" | 10.8" | 29x11.00R17 | 17" |
| 205/80R16 | 28.9" | 8.1" | 29x8.00R16 | 16" |
| 235/70R16 | 29.0" | 9.3" | 29x9.50R16 | 16" |
| 155/90R18 | 29.0" | 6.1" | 29x6.00R18 | 18" |
| 275/60R16 | 29.0" | 10.8" | 29x11.00R16 | 16" |
| 235/65R17 | 29.0" | 9.3" | 29x9.50R17 | 17" |
| 255/55R18 | 29.0" | 10.0" | 29x10.00R18 | 18" |
| 255/60R17 | 29.0" | 10.0" | 29x10.00R17 | 17" |
| 255/65R16 | 29.1" | 10.0" | 29x10.00R16 | 16" |
| 255/70R15 | 29.1" | 10.0" | 29x10.00R15 | 15" |
| 235/60R18 | 29.1" | 9.3" | 29x9.50R18 | 18" |
| 235/55R19 | 29.2" | 9.3" | 29x9.50R19 | 19" |
| 225/75R16 | 29.3" | 8.9" | 29.5x9.00R16 | 16" |
| 215/70R17.5 | 29.4" | 8.5" | 29.5x8.50R17.5 | 17.5" |
| 215/85R15 | 29.4" | 8.5" | 29.5x8.50R15 | 15" |
| 175/90R17 | 29.4" | 6.9" | 29.5x7.00R17 | 17" |
| 225/70R17 | 29.4" | 8.9" | 29.5x9.00R17 | 17" |
| 285/60R16 | 29.5" | 11.2" | 29.5x11.00R16 | 16" |
| 265/55R18 | 29.5" | 10.4" | 29.5x10.50R18 | 18" |
| 245/70R16 | 29.5" | 9.6" | 29.5x9.50R16 | 16" |
| 225/65R18 | 29.5" | 8.9" | 29.5x9.00R18 | 18" |
| 265/60R17 | 29.5" | 10.4" | 29.5x10.50R17 | 17" |
| 245/65R17 | 29.5" | 9.6" | 29.5x9.50R17 | 17" |
| 245/60R18 | 29.6" | 9.6" | 29.5x9.50R18 | 18" |
| 265/70R15 | 29.6" | 10.4" | 29.5x10.50R15 | 15" |
| 245/55R19 | 29.6" | 9.6" | 29.5x9.50R19 | 19" |
| 175/70R20 | 29.6" | 6.9" | 29.5x7.00R20 | 20" |
| 165/90R18 | 29.7" | 6.5" | 29.5x6.50R18 | 18" |
| 235/75R16 | 29.9" | 9.3" | 30x9.50R16 | 16" |
| 315/60R15 | 29.9" | 12.4" | 30x12.50R15 | 15" |
| 275/55R18 | 29.9" | 10.8" | 30x11.00R18 | 18" |
| 235/70R17 | 30.0" | 9.3" | 30x9.50R17 | 17" |
| 275/60R17 | 30.0" | 10.8" | 30x11.00R17 | 17" |
| 175/80R19 | 30.0" | 6.9" | 30x7.00R19 | 19" |
| 235/65R18 | 30.0" | 9.3" | 30x9.50R18 | 18" |
| 255/55R19 | 30.0" | 10.0" | 30x10.00R19 | 19" |
| 255/60R18 | 30.0" | 10.0" | 30x10.00R18 | 18" |
| 255/65R17 | 30.1" | 10.0" | 30x10.00R17 | 17" |
| 255/70R16 | 30.1" | 10.0" | 30x10.00R16 | 16" |
| 255/75R15 | 30.1" | 10.0" | 30x10.00R15 | 15" |
| 295/65R15 | 30.1" | 11.6" | 30x11.50R15 | 15" |
| 235/60R19 | 30.1" | 9.3" | 30x9.50R19 | 19" |
| 235/55R20 | 30.2" | 9.3" | 30x9.50R20 | 20" |
| 215/75R17.5 | 30.2" | 8.5" | 30x8.50R17.5 | 17.5" |
| 225/75R17 | 30.3" | 8.9" | 30.5x9.00R17 | 17" |
| 285/55R18 | 30.3" | 11.2" | 30.5x11.00R18 | 18" |
| 215/85R16 | 30.4" | 8.5" | 30.5x8.50R16 | 16" |
| 175/90R18 | 30.4" | 6.9" | 30.5x7.00R18 | 18" |
| 285/60R17 | 30.5" | 11.2" | 30.5x11.00R17 | 17" |
| 245/75R16 | 30.5" | 9.6" | 30.5x9.50R16 | 16" |
| 265/55R19 | 30.5" | 10.4" | 30.5x10.50R19 | 19" |
| 245/70R17 | 30.5" | 9.6" | 30.5x9.50R17 | 17" |
| 265/60R18 | 30.5" | 10.4" | 30.5x10.50R18 | 18" |
| 245/65R18 | 30.5" | 9.6" | 30.5x9.50R18 | 18" |
| 265/65R17 | 30.6" | 10.4" | 30.5x10.50R17 | 17" |
| 285/65R16 | 30.6" | 11.2" | 30.5x11.00R16 | 16" |
| 265/70R16 | 30.6" | 10.4" | 30.5x10.50R16 | 16" |
| 315/55R17 | 30.6" | 12.4" | 30.5x12.50R17 | 17" |
| 265/75R15 | 30.6" | 10.4" | 30.5x10.50R15 | 15" |
| 165/90R19 | 30.7" | 6.5" | 30.5x6.50R19 | 19" |
| 235/80R16 | 30.8" | 9.3" | 31x9.50R16 | 16" |
| 235/75R17 | 30.9" | 9.3" | 31x9.50R17 | 17" |
| 275/55R19 | 30.9" | 10.8" | 31x11.00R19 | 19" |
| 235/70R18 | 31.0" | 9.3" | 31x9.50R18 | 18" |
| 275/60R18 | 31.0" | 10.8" | 31x11.00R18 | 18" |
| 235/65R19 | 31.0" | 9.3" | 31x9.50R19 | 19" |
| 255/55R20 | 31.0" | 10.0" | 31x10.00R20 | 20" |
| 255/60R19 | 31.0" | 10.0" | 31x10.00R19 | 19" |
| 255/65R18 | 31.1" | 10.0" | 31x10.00R18 | 18" |
| 255/70R17 | 31.1" | 10.0" | 31x10.00R17 | 17" |
| 225/85R16 | 31.1" | 8.9" | 31x9.00R16 | 16" |
| 275/65R17 | 31.1" | 10.8" | 31x11.00R17 | 17" |
| 235/60R20 | 31.1" | 9.3" | 31x9.50R20 | 20" |
| 275/70R16 | 31.2" | 10.8" | 31x11.00R16 | 16" |
| 285/60R18 | 31.5" | 11.2" | 31.5x11.00R18 | 18" |
| 245/75R17 | 31.5" | 9.6" | 31.5x9.50R17 | 17" |
| 265/55R20 | 31.5" | 10.4" | 31.5x10.50R20 | 20" |
| 245/70R18 | 31.5" | 9.6" | 31.5x9.50R18 | 18" |
| 265/65R18 | 31.6" | 10.4" | 31.5x10.50R18 | 18" |
| 245/60R20 | 31.6" | 9.6" | 31.5x9.50R20 | 20" |
| 285/65R17 | 31.6" | 11.2" | 31.5x11.00R17 | 17" |
| 265/70R17 | 31.6" | 10.4" | 31.5x10.50R17 | 17" |
| 265/75R16 | 31.6" | 10.4" | 31.5x10.50R16 | 16" |
| 285/70R16 | 31.7" | 11.2" | 31.5x11.00R16 | 16" |
| 235/85R16 | 31.7" | 9.3" | 31.5x9.50R16 | 16" |
| 235/80R17 | 31.8" | 9.3" | 32x9.50R17 | 17" |
| 315/60R17 | 31.9" | 12.4" | 32x12.50R17 | 17" |
| 225/70R19.5 | 31.9" | 8.9" | 32x9.00R19.5 | 19.5" |
| 275/55R20 | 31.9" | 10.8" | 32x11.00R20 | 20" |
| 225/90R16 | 31.9" | 8.9" | 32x9.00R16 | 16" |
| 255/60R20 | 32.0" | 10.0" | 32x10.00R20 | 20" |
| 255/65R19 | 32.1" | 10.0" | 32x10.00R19 | 19" |
| 255/70R18 | 32.1" | 10.0" | 32x10.00R18 | 18" |
| 255/75R17 | 32.1" | 10.0" | 32x10.00R17 | 17" |
| 275/65R18 | 32.1" | 10.8" | 32x11.00R18 | 18" |
| 275/70R17 | 32.2" | 10.8" | 32x11.00R17 | 17" |
| 285/55R20 | 32.3" | 11.2" | 32.5x11.00R20 | 20" |
| 305/60R18 | 32.4" | 12.0" | 32.5x12.00R18 | 18" |
| 245/75R18 | 32.5" | 9.6" | 32.5x9.50R18 | 18" |
| 265/60R20 | 32.5" | 10.4" | 32.5x10.50R20 | 20" |
| 285/65R18 | 32.6" | 11.2" | 32.5x11.00R18 | 18" |
| 265/70R18 | 32.6" | 10.4" | 32.5x10.50R18 | 18" |
| 305/65R17 | 32.6" | 12.0" | 32.5x12.00R17 | 17" |
| 265/80R16 | 32.7" | 10.4" | 32.5x10.50R16 | 16" |
| 285/70R17 | 32.7" | 11.2" | 32.5x11.00R17 | 17" |
| 235/85R17 | 32.7" | 9.3" | 32.5x9.50R17 | 17" |
| 295/55R20 | 32.8" | 11.6" | 33x11.50R20 | 20" |
| 235/80R18 | 32.8" | 9.3" | 33x9.50R18 | 18" |
| 305/70R16 | 32.8" | 12.0" | 33x12.00R16 | 16" |
| 285/75R16 | 32.8" | 11.2" | 33x11.00R16 | 16" |
| 275/60R20 | 33.0" | 10.8" | 33x11.00R20 | 20" |
| 245/70R19.5 | 33.0" | 9.6" | 33x9.50R19.5 | 19.5" |
| 255/80R17 | 33.1" | 10.0" | 33x10.00R17 | 17" |
| 255/85R16 | 33.1" | 10.0" | 33x10.00R16 | 16" |
| 295/65R18 | 33.1" | 11.6" | 33x11.50R18 | 18" |
| 275/70R18 | 33.2" | 10.8" | 33x11.00R18 | 18" |
| 305/55R20 | 33.2" | 12.0" | 33x12.00R20 | 20" |
| 295/70R17 | 33.3" | 11.6" | 33.5x11.50R17 | 17" |
| 325/60R18 | 33.4" | 12.8" | 33.5x13.00R18 | 18" |
| 295/75R16 | 33.4" | 11.6" | 33.5x11.50R16 | 16" |
| 285/60R20 | 33.5" | 11.2" | 33.5x11.00R20 | 20" |
| 305/65R18 | 33.6" | 12.0" | 33.5x12.00R18 | 18" |
| 285/70R18 | 33.7" | 11.2" | 33.5x11.00R18 | 18" |
| 305/70R17 | 33.8" | 12.0" | 34x12.00R17 | 17" |
| 285/75R17 | 33.8" | 11.2" | 34x11.00R17 | 17" |
| 295/60R20 | 33.9" | 11.6" | 34x11.50R20 | 20" |
| 255/85R17 | 34.1" | 10.0" | 34x10.00R17 | 17" |
| 275/65R20 | 34.1" | 10.8" | 34x11.00R20 | 20" |
| 295/70R18 | 34.3" | 11.6" | 34.5x11.50R18 | 18" |
| 275/80R17 | 34.3" | 10.8" | 34.5x11.00R17 | 17" |
| 315/70R17 | 34.4" | 12.4" | 34.5x12.50R17 | 17" |
| 305/60R20 | 34.4" | 12.0" | 34.5x12.00R20 | 20" |
| 285/65R20 | 34.6" | 11.2" | 34.5x11.00R20 | 20" |
| 315/75R16 | 34.6" | 12.4" | 34.5x12.50R16 | 16" |
| 325/65R18 | 34.6" | 12.8" | 34.5x13.00R18 | 18" |
| 305/70R18 | 34.8" | 12.0" | 35x12.00R18 | 18" |
| 285/75R18 | 34.8" | 11.2" | 35x11.00R18 | 18" |
| 315/60R20 | 34.9" | 12.4" | 35x12.50R20 | 20" |
| 325/70R17 | 34.9" | 12.8" | 35x13.00R17 | 17" |
| 295/65R20 | 35.1" | 11.6" | 35x11.50R20 | 20" |
| 375/65R16 | 35.2" | 14.8" | 35x15.00R16 | 16" |
| 325/60R20 | 35.4" | 12.8" | 35.5x13.00R20 | 20" |
| 315/70R18 | 35.4" | 12.4" | 35.5x12.50R18 | 18" |
| 285/70R20 | 35.7" | 11.2" | 35.5x11.00R20 | 20" |
| 355/65R18 | 36.2" | 14.0" | 36x14.00R18 | 18" |
| 375/55R20 | 36.2" | 14.8" | 36x15.00R20 | 20" |
| 345/60R20 | 36.3" | 13.6" | 36.5x13.50R20 | 20" |
| 345/75R16 | 36.4" | 13.6" | 36.5x13.50R16 | 16" |
| 325/80R16 | 36.5" | 12.8" | 36.5x13.00R16 | 16" |
| 355/70R17 | 36.6" | 14.0" | 36.5x14.00R17 | 17" |
| 355/60R20 | 36.8" | 14.0" | 37x14.00R20 | 20" |
| 385/70R16 | 37.2" | 15.2" | 37x15.00R16 | 16" |
| 365/75R16 | 37.6" | 14.4" | 37.5x14.50R16 | 16" |
| 395/70R16 | 37.8" | 15.6" | 38x15.50R16 | 16" |
| 395/60R20 | 38.7" | 15.6" | 38.5x15.50R20 | 20" |
Formula
Height in inches = rim + 2 × (width mm × aspect ÷ 100) ÷ 25.4. For 285/70R17: 17 + 2 × (285 × 0.70) ÷ 25.4 = 32.7". Width in inches = width mm ÷ 25.4.