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185/55R15 tires
185/55R15 reads off the tire sidewall: 185 mm of section width, a sidewall whose height is 55% of that width, and a 15 in mounting diameter.
- 5 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
- 101.8 mm
- Overall diameter
- 584.5 mm · 23.01 in
- Circumference
- 1,836.3 mm · 72.29 in
- Revolutions per mile
- 876 rev.
- Section width
- 7.28 in
- Usable mounting width
- 5 to 6.5 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 |
|---|---|---|---|
| 185/55R15Original size | 584.5 mm | 0 %Identical diameter | — |
| 195/65R13 | 583.7 mm | -0.14 %Within tolerance | — |
| 175/65R14 | 583.1 mm | -0.24 %Within tolerance | In the catalogue |
| 205/50R15 | 586 mm | +0.26 %Within tolerance | — |
| 155/65R15 | 582.5 mm | -0.34 %Within tolerance | — |
| 165/70R14 | 586.6 mm | +0.36 %Within tolerance | — |
| 215/35R17 | 582.3 mm | -0.38 %Within tolerance | — |
| 155/50R17 | 586.8 mm | +0.39 %Within tolerance | — |
| 195/45R16 | 581.9 mm | -0.44 %Within tolerance | In the catalogue |
| 175/50R16 | 581.4 mm | -0.53 %Within tolerance | — |
| 195/40R17 | 587.8 mm | +0.56 %Within tolerance | — |
| 165/55R16 | 587.9 mm | +0.58 %Within tolerance | — |
| 205/55R14 | 581.1 mm | -0.58 %Within tolerance | — |
| 155/75R14 | 588.1 mm | +0.62 %Within tolerance | — |
| 215/60R13 | 588.2 mm | +0.63 %Within tolerance | — |
| 165/45R17 | 580.3 mm | -0.72 %Within tolerance | — |
| 205/45R16 | 590.9 mm | +1.09 %Within tolerance | In the catalogue |
| 185/60R14 | 577.6 mm | -1.18 %Within tolerance | In the catalogue |
| 195/50R15 | 576 mm | -1.45 %Within tolerance | In the catalogue |
| 175/55R15 | 573.5 mm | -1.88 %Within tolerance | In the catalogue |
| 195/55R15 | 595.5 mm | +1.88 %Within tolerance | In the catalogue |
| 205/40R17 | 595.8 mm | +1.93 %Within tolerance | In the catalogue |
| 185/65R14 | 596.1 mm | +1.98 %Within tolerance | In the catalogue |
| 165/65R14 | 570.1 mm | -2.46 %For reference only | In the catalogue |
| 175/70R14 | 600.6 mm | +2.75 %For reference only | In the catalogue |
| 195/50R16 | 601.4 mm | +2.89 %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.