/35 series tire aspect ratio

What does /35 mean in a tire size?

A /35 aspect ratio means the tire sidewall height is 35% of the section width. For a 205/35R16 tire, the sidewall is 71.75mm tall. Common 35-series sizes span multiple rim diameters.

FAQ

What does /35 mean in a tire size?
A /35 aspect ratio means the tire sidewall height is 35% of the section width. For a 205/35R16 tire, the sidewall is 71.75mm tall. Common 35-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.

10 popular /35 series sizes

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.

Estimate tyre budget
Last reviewed: 2026-06-28
What changed
  • Reviewed deterministic geometry, load/speed references, sitemap inclusion and localized page shell.