Section Width675 mm (26.6")
Aspect Ratio57%
Rim Diameter12"
Overall Diameter1074 mm (42.3")
Sidewall Height385 mm
Circumference3375 mm
675/57R12 — Buy Tires

Everything to know about the 675/57R12 tire size

Size geometry

A 675/57R12 tire has a 675mm section width and a 57% aspect ratio, mounted on a 12-inch rim. Sidewall height works out to 384.8mm (15.15") and overall outside diameter is 1074.3mm (42.30"). At highway speed the tire completes about 296 revolutions per kilometre — your speedometer and odometer were calibrated against this number.

Direct substitute sizes

If 675/57R12 is unavailable, the closest same-diameter substitutes on the same rim are 665/58R12 and 685/56R12. 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 675/57R12 you can upsize to 685/54R13 (plus-one) to fit a larger wheel without changing the speedometer reading, or downsize to 665/60R11 (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 675/57R12 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 675/57R12

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