Section Width555 mm (21.9")
Aspect Ratio68%
Rim Diameter10"
Overall Diameter1009 mm (39.7")
Sidewall Height377 mm
Circumference3169 mm
555/68R10 — Buy Tires

Everything to know about the 555/68R10 tire size

Size geometry

A 555/68R10 tire has a 555mm section width and a 68% aspect ratio, mounted on a 10-inch rim. Sidewall height works out to 377.4mm (14.86") and overall outside diameter is 1008.8mm (39.72"). At highway speed the tire completes about 316 revolutions per kilometre — your speedometer and odometer were calibrated against this number.

Direct substitute sizes

If 555/68R10 is unavailable, the closest same-diameter substitutes on the same rim are 545/69R10 and 565/67R10. 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 555/68R10 you can upsize to 565/65R11 (plus-one) to fit a larger wheel without changing the speedometer reading, or downsize to 545/72R9 (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 555/68R10 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 555/68R10

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