/70 series tire aspect ratio
What does /70 mean in a tire size?
A /70 aspect ratio means the tire sidewall height is 70% of the section width. For a 205/70R16 tire, the sidewall is 143.5mm tall. Common 70-series sizes span multiple rim diameters.
- A /70 aspect ratio means the tire sidewall height is 70% of the section width.
- For a 205/70R16 tire, the sidewall is 143.5mm tall.
- Common 70-series sizes span multiple rim diameters.
FAQ
- What does /70 mean in a tire size?
- A /70 aspect ratio means the tire sidewall height is 70% of the section width. For a 205/70R16 tire, the sidewall is 143.5mm tall. Common 70-series sizes span multiple rim diameters.
- What should I verify before using this information?
- Use TireFitLab values as a sizing reference, then verify the vehicle handbook, tire placard, rim compatibility, load rating, and physical clearance before fitting.
11 popular /70 series sizes
- 165/70 R14
- 195/70 R14
- 205/70 R15
- 215/70 R15
- 225/70 R15
- 245/70 R16
- 265/70 R16
- 235/70 R17
- 245/70 R17
- 265/70 R17
- 275/70 R18
Full aspect ratio guide · Tire section width guide · Tire size calculator
Seasonal check
Planning a long summer drive?
Use the budget and running-cost tools before a trip, especially if the current tyres are worn or the replacement size changes diameter.
What changed
- Reviewed deterministic geometry, load/speed references, sitemap inclusion and localized page shell.