Section Width485 mm (19.1")
Aspect Ratio59%
Rim Diameter12"
Overall Diameter877 mm (34.5")
Sidewall Height286 mm
Circumference2755 mm
485/59R12 — Buy Tires

Everything to know about the 485/59R12 tire size

Size geometry

A 485/59R12 tire has a 485mm section width and a 59% aspect ratio, mounted on a 12-inch rim. Sidewall height works out to 286.1mm (11.27") and overall outside diameter is 877.1mm (34.53"). At highway speed the tire completes about 363 revolutions per kilometre — your speedometer and odometer were calibrated against this number.

Direct substitute sizes

If 485/59R12 is unavailable, the closest same-diameter substitutes on the same rim are 475/60R12 and 495/58R12. 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 485/59R12 you can upsize to 495/55R13 (plus-one) to fit a larger wheel without changing the speedometer reading, or downsize to 475/63R11 (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 485/59R12 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 485/59R12

tire_size.no_vehicles_found