235/45R18 Tire Size in Inches

A 235/45R18 tire is about 26.3 inches tall and 9.25 inches wide, with a 4.16-inch sidewall, fitted to a 18-inch wheel.

Source: manufacturer documents (listed below) · Updated 2026-11-05 · By CarWhere Research

Overall diameter
26.3 in
Section width
9.25 in
Sidewall height
4.16 in
Revolutions / mile
766

Calculated nominal dimensions; circumference 82.7 in. Measured size varies slightly by tire model and rim width.

Vehicles with factory 235/45R18 tires

Vehicles fitted with 235/45R18 tires from the factory
VehicleTrimYears
Toyota Camry2WD models, Type C2020, 2021, 2022, 2023, 2024[1],[2],[3],[4],[5]
Toyota CamryAWD models, Type B2020, 2021, 2022, 2023, 2024[1],[2],[3],[4],[5]

Compared with nearby sizes

235/45R18 compared with nearby sizes
SizeDiameterDifference
235/45R1826.3 in—
235/40R1825.4 in-3.4%
235/50R1827.3 in+3.8%

Width in inches

Check the exact vehicle, not just the model

Trim, package and production changes all move these numbers. Decode the 17-character VIN with the free VIN decoder to confirm the engine and trim, or see the federal engine and MPG specs. Shopping? Browse live inventory and what buyers actually paid.

Frequently asked questions

How tall is a 235/45R18 tire in inches?

About 26.3 inches: a 18-inch wheel plus two 4.16-inch sidewalls (235 × 45% = 105.8 mm each).

How wide is a 235/45R18 tire?

9.25 inches of section width (235 mm ÷ 25.4).

What vehicles come with 235/45R18 tires?

In our manufacturer-sourced data: Toyota Camry — trims and years are in the table above.

Sources

  1. Toyota Motor Sales, U.S.A., Inc., Toyota 2020 Camry Owner's Manual (OM06158U), 8-1. Specifications, Tires and wheels (accessed 2026-11-05).
  2. Toyota Motor Sales, U.S.A., Inc., Toyota 2021 Camry Owner's Manual (OM06242U), 8-1. Specifications, Tires and wheels (accessed 2026-11-05).
  3. Toyota Motor Sales, U.S.A., Inc., Toyota 2022 Camry Owner's Manual (OM06244U), 8-1. Specifications, Tires and wheels (accessed 2026-11-05).
  4. Toyota Motor Sales, U.S.A., Inc., Toyota 2023 Camry Owner's Manual (OM06259U), 8-1. Specifications, Tires and wheels (accessed 2026-11-05).
  5. Toyota Motor Sales, U.S.A., Inc., Toyota 2024 Camry Owner's Manual USA and Canada Only (OM06291U), 8-1. Specifications, Tires and wheels (accessed 2026-11-05).