Section Width525 mm (20.7")
Aspect Ratio81%
Rim Diameter10"
Overall Diameter1105 mm (43.5")
Sidewall Height425 mm
Circumference3470 mm
525/81R10 — Buy Tires

Everything to know about the 525/81R10 tire size

Size geometry

A 525/81R10 tire has a 525mm section width and a 81% aspect ratio, mounted on a 10-inch rim. Sidewall height works out to 425.3mm (16.74") and overall outside diameter is 1104.5mm (43.48"). At highway speed the tire completes about 288 revolutions per kilometre — your speedometer and odometer were calibrated against this number.

Direct substitute sizes

If 525/81R10 is unavailable, the closest same-diameter substitutes on the same rim are 515/83R10 and 535/79R10. 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 525/81R10 you can upsize to 535/77R11 (plus-one) to fit a larger wheel without changing the speedometer reading, or downsize to 515/85R9 (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 525/81R10 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 525/81R10

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