Section Width905 mm (35.6")
Aspect Ratio35%
Rim Diameter12"
Overall Diameter938 mm (36.9")
Sidewall Height317 mm
Circumference2948 mm
905/35R12 — Buy Tires

Everything to know about the 905/35R12 tire size

Size geometry

A 905/35R12 tire has a 905mm section width and a 35% aspect ratio, mounted on a 12-inch rim. Sidewall height works out to 316.8mm (12.47") and overall outside diameter is 938.3mm (36.94"). At highway speed the tire completes about 339 revolutions per kilometre — your speedometer and odometer were calibrated against this number.

Direct substitute sizes

If 905/35R12 is unavailable, the closest same-diameter substitutes on the same rim are 895/35R12 and 915/35R12. 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 905/35R12 you can upsize to 915/33R13 (plus-one) to fit a larger wheel without changing the speedometer reading, or downsize to 895/37R11 (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 905/35R12 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 905/35R12

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