Section Width125 mm (4.9")
Aspect Ratio215%
Rim Diameter50"
Overall Diameter1808 mm (71.2")
Sidewall Height269 mm
Circumference5678 mm
125/215R50 — Buy Tires

Everything to know about the 125/215R50 tire size

Size geometry

A 125/215R50 tire has a 125mm section width and a 215% aspect ratio, mounted on a 50-inch rim. Sidewall height works out to 268.8mm (10.58") and overall outside diameter is 1807.5mm (71.16"). At highway speed the tire completes about 176 revolutions per kilometre — your speedometer and odometer were calibrated against this number.

Direct substitute sizes

If 125/215R50 is unavailable, the closest same-diameter substitutes on the same rim are 115/234R50 and 135/199R50. 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 125/215R50 you can upsize to 135/190R51 (plus-one) to fit a larger wheel without changing the speedometer reading, or downsize to 115/245R49 (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 125/215R50 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 125/215R50

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