Section Width115 mm (4.5")
Aspect Ratio19%
Rim Diameter68"
Overall Diameter1771 mm (69.7")
Sidewall Height22 mm
Circumference5563 mm
115/19R68 — Buy Tires

Everything to know about the 115/19R68 tire size

Size geometry

A 115/19R68 tire has a 115mm section width and a 19% aspect ratio, mounted on a 68-inch rim. Sidewall height works out to 21.9mm (0.86") and overall outside diameter is 1770.9mm (69.72"). At highway speed the tire completes about 180 revolutions per kilometre — your speedometer and odometer were calibrated against this number.

Direct substitute sizes

If 115/19R68 is unavailable, the closest same-diameter substitutes on the same rim are 105/21R68 and 125/17R68. 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 115/19R68 you can upsize to 125/7R69 (plus-one) to fit a larger wheel without changing the speedometer reading, or downsize to 105/33R67 (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 115/19R68 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 115/19R68

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