165 Tire Size in Inches
A 165 tire is 6.5 inches wide (165 mm ÷ 25.4). Its overall height depends on the aspect ratio and wheel size — the chart below works out every common combination.
Calculated from the size designation · Updated 2026-11-05 · By CarWhere Research
165 tire overall height (inches)
| Aspect | R15 | R16 | R17 | R18 | R19 | R20 | R21 | R22 |
|---|---|---|---|---|---|---|---|---|
| 165/35 | 19.5 | 20.5 | 21.5 | 22.5 | 23.5 | 24.5 | 25.5 | 26.5 |
| 165/40 | 20.2 | 21.2 | 22.2 | 23.2 | 24.2 | 25.2 | 26.2 | 27.2 |
| 165/45 | 20.8 | 21.8 | 22.8 | 23.8 | 24.8 | 25.8 | 26.8 | 27.8 |
| 165/50 | 21.5 | 22.5 | 23.5 | 24.5 | 25.5 | 26.5 | 27.5 | 28.5 |
| 165/55 | 22.1 | 23.1 | 24.1 | 25.1 | 26.1 | 27.1 | 28.1 | 29.1 |
| 165/60 | 22.8 | 23.8 | 24.8 | 25.8 | 26.8 | 27.8 | 28.8 | 29.8 |
| 165/65 | 23.4 | 24.4 | 25.4 | 26.4 | 27.4 | 28.4 | 29.4 | 30.4 |
| 165/70 | 24.1 | 25.1 | 26.1 | 27.1 | 28.1 | 29.1 | 30.1 | 31.1 |
| 165/75 | 24.7 | 25.7 | 26.7 | 27.7 | 28.7 | 29.7 | 30.7 | 31.7 |
Calculated nominal dimensions. Actual measured size varies by tire model and rim width. Linked values are factory sizes on vehicles in our data.
Other widths
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Frequently asked questions
How wide is a 165 tire in inches?
165 mm ÷ 25.4 = 6.5 inches of section width. The tread itself is somewhat narrower than the section width.
How tall is a 165 tire?
It depends on the aspect ratio and wheel size. For example 165/70R17 is about 26.1 in tall and 165/55R20 about 27.1 in — see the chart.