Section Width435 mm (17.1")
Aspect Ratio50%
Rim Diameter12"
Overall Diameter740 mm (29.1")
Sidewall Height218 mm
Circumference2324 mm
435/50R12 — Buy Tires

Everything to know about the 435/50R12 tire size

Size geometry

A 435/50R12 tire has a 435mm section width and a 50% aspect ratio, mounted on a 12-inch rim. Sidewall height works out to 217.5mm (8.56") and overall outside diameter is 739.8mm (29.13"). At highway speed the tire completes about 430 revolutions per kilometre — your speedometer and odometer were calibrated against this number.

Direct substitute sizes

If 435/50R12 is unavailable, the closest same-diameter substitutes on the same rim are 425/51R12 and 445/49R12. 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 435/50R12 you can upsize to 445/46R13 (plus-one) to fit a larger wheel without changing the speedometer reading, or downsize to 425/54R11 (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 435/50R12 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 435/50R12

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