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235/65R18 tires
235/65R18 reads off the tire sidewall: 235 mm of section width, a sidewall whose height is 65% of that width, and a 18 in mounting diameter.
- 9 models
Models
The models we carry in this size, sorted by brand.
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This size, measured
These figures are derived from the three numbers, not entered by hand: it is the same arithmetic as the size equivalence calculator.
- Sidewall height
- 152.8 mm
- Overall diameter
- 762.7 mm · 30.03 in
- Circumference
- 2,396.1 mm · 94.33 in
- Revolutions per mile
- 672 rev.
- Section width
- 9.25 in
- Usable mounting width
- 6.5 to 8.5 in
Usable mounting width is a trade rule of thumb, roughly 70 to 90% of section width. It is not a standard. The exact range is whatever the manufacturer publishes for that model.
Equivalent sizes
Sizes whose overall diameter stays within 3% of this one. The ones we carry link to their own page. These are computed suggestions, not a guarantee of fit: the vehicle manual decides.
| Size | Overall diameter | Gap | In the catalogue |
|---|---|---|---|
| 235/65R18Original size | 762.7 mm | 0 %Identical diameter | — |
| 255/50R20 | 763 mm | +0.04 %Within tolerance | In the catalogue |
| 255/55R19 | 763.1 mm | +0.05 %Within tolerance | In the catalogue |
| 255/60R18 | 763.2 mm | +0.07 %Within tolerance | In the catalogue |
| 215/65R19 | 762.1 mm | -0.08 %Within tolerance | — |
| 255/65R17 | 763.3 mm | +0.08 %Within tolerance | — |
| 255/70R16 | 763.4 mm | +0.09 %Within tolerance | In the catalogue |
| 235/60R19 | 764.6 mm | +0.25 %Within tolerance | — |
| 235/70R17 | 760.8 mm | -0.25 %Within tolerance | — |
| 205/75R18 | 764.7 mm | +0.26 %Within tolerance | — |
| 205/80R17 | 759.8 mm | -0.38 %Within tolerance | — |
| 215/60R20 | 766 mm | +0.43 %Within tolerance | — |
| 225/80R16 | 766.4 mm | +0.49 %Within tolerance | — |
| 235/55R20 | 766.5 mm | +0.5 %Within tolerance | In the catalogue |
| 235/75R16 | 758.9 mm | -0.5 %Within tolerance | — |
| 215/70R18 | 758.2 mm | -0.59 %Within tolerance | — |
| 245/50R20 | 753 mm | -1.27 %Within tolerance | In the catalogue |
| 265/50R20 | 773 mm | +1.35 %Within tolerance | In the catalogue |
| 245/55R19 | 752.1 mm | -1.39 %Within tolerance | In the catalogue |
| 245/75R16 | 773.9 mm | +1.47 %Within tolerance | In the catalogue |
| 265/55R19 | 774.1 mm | +1.49 %Within tolerance | In the catalogue |
| 245/60R18 | 751.2 mm | -1.51 %Within tolerance | In the catalogue |
| 245/70R17 | 774.8 mm | +1.59 %Within tolerance | In the catalogue |
| 245/65R17 | 750.3 mm | -1.63 %Within tolerance | In the catalogue |
| 265/60R18 | 775.2 mm | +1.64 %Within tolerance | In the catalogue |
| 245/70R16 | 749.4 mm | -1.74 %Within tolerance | In the catalogue |
| 265/65R17 | 776.3 mm | +1.78 %Within tolerance | In the catalogue |
| 265/70R16 | 777.4 mm | +1.93 %Within tolerance | In the catalogue |
| 265/50R19 | 747.6 mm | -1.98 %Within tolerance | In the catalogue |
| 265/45R20 | 746.5 mm | -2.12 %For reference only | In the catalogue |
| 225/75R16 | 743.9 mm | -2.46 %For reference only | In the catalogue |
| 235/50R20 | 743 mm | -2.58 %For reference only | In the catalogue |
| 235/55R19 | 741.1 mm | -2.83 %For reference only | In the catalogue |
Other ways to browse
Every size, every brand and every season has its own page: the models offered, the technical sheet and the equivalents.