Section Width625 mm (24.6")
Aspect Ratio66%
Rim Diameter10"
Overall Diameter1079 mm (42.5")
Sidewall Height413 mm
Circumference3390 mm
625/66R10 — Buy Tires

Everything to know about the 625/66R10 tire size

Size geometry

A 625/66R10 tire has a 625mm section width and a 66% aspect ratio, mounted on a 10-inch rim. Sidewall height works out to 412.5mm (16.24") and overall outside diameter is 1079.0mm (42.48"). At highway speed the tire completes about 295 revolutions per kilometre — your speedometer and odometer were calibrated against this number.

Direct substitute sizes

If 625/66R10 is unavailable, the closest same-diameter substitutes on the same rim are 615/67R10 and 635/65R10. 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 625/66R10 you can upsize to 635/63R11 (plus-one) to fit a larger wheel without changing the speedometer reading, or downsize to 615/69R9 (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 625/66R10 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 625/66R10

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