Section Width125 mm (4.9")
Aspect Ratio210%
Rim Diameter12"
Overall Diameter830 mm (32.7")
Sidewall Height263 mm
Circumference2607 mm
125/210R12 — Buy Tires

Everything to know about the 125/210R12 tire size

Size geometry

A 125/210R12 tire has a 125mm section width and a 210% aspect ratio, mounted on a 12-inch rim. Sidewall height works out to 262.5mm (10.33") and overall outside diameter is 829.8mm (32.67"). At highway speed the tire completes about 384 revolutions per kilometre — your speedometer and odometer were calibrated against this number.

Direct substitute sizes

If 125/210R12 is unavailable, the closest same-diameter substitutes on the same rim are 115/228R12 and 135/194R12. 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 125/210R12 you can upsize to 135/185R13 (plus-one) to fit a larger wheel without changing the speedometer reading, or downsize to 115/239R11 (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 125/210R12 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 125/210R12

tire_size.no_vehicles_found