Section Width625 mm (24.6")
Aspect Ratio18%
Rim Diameter26"
Overall Diameter885 mm (34.9")
Sidewall Height113 mm
Circumference2782 mm
625/18R26 — Buy Tires

Everything to know about the 625/18R26 tire size

Size geometry

A 625/18R26 tire has a 625mm section width and a 18% aspect ratio, mounted on a 26-inch rim. Sidewall height works out to 112.5mm (4.43") and overall outside diameter is 885.4mm (34.86"). At highway speed the tire completes about 360 revolutions per kilometre — your speedometer and odometer were calibrated against this number.

Direct substitute sizes

If 625/18R26 is unavailable, the closest same-diameter substitutes on the same rim are 615/18R26 and 635/18R26. 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 625/18R26 you can upsize to 635/16R27 (plus-one) to fit a larger wheel without changing the speedometer reading, or downsize to 615/20R25 (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 625/18R26 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 625/18R26

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