Section Width305 mm (12.0")
Aspect Ratio238%
Rim Diameter14"
Overall Diameter1807 mm (71.2")
Sidewall Height726 mm
Circumference5678 mm
305/238R14 — Buy Tires

Everything to know about the 305/238R14 tire size

Size geometry

A 305/238R14 tire has a 305mm section width and a 238% aspect ratio, mounted on a 14-inch rim. Sidewall height works out to 725.9mm (28.58") and overall outside diameter is 1807.4mm (71.16"). At highway speed the tire completes about 176 revolutions per kilometre — your speedometer and odometer were calibrated against this number.

Direct substitute sizes

If 305/238R14 is unavailable, the closest same-diameter substitutes on the same rim are 295/246R14 and 315/230R14. Both keep your speedometer reading within 1% — safe for daily use, ABS, and stability control. Always verify load and speed ratings before swapping.

Plus / minus sizing options

For a 305/238R14 you can upsize to 315/226R15 (plus-one) to fit a larger wheel without changing the speedometer reading, or downsize to 295/250R13 (minus-one) for a softer ride or winter setup. Both stay inside the Âą3% diameter tolerance that ABS and TPMS systems expect.

Vehicle compatibility

0 vehicles in our database run the 305/238R14 tire size from the factory. Aftermarket fitment depends on rim width, offset, and clearance — match these specs to your wheel before purchasing tires.

Vehicles Using 305/238R14

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