Section Width305 mm (12.0")
Aspect Ratio104%
Rim Diameter10"
Overall Diameter888 mm (35.0")
Sidewall Height317 mm
Circumference2791 mm
305/104R10 — Buy Tires

Everything to know about the 305/104R10 tire size

Size geometry

A 305/104R10 tire has a 305mm section width and a 104% aspect ratio, mounted on a 10-inch rim. Sidewall height works out to 317.2mm (12.49") and overall outside diameter is 888.4mm (34.98"). At highway speed the tire completes about 358 revolutions per kilometre — your speedometer and odometer were calibrated against this number.

Direct substitute sizes

If 305/104R10 is unavailable, the closest same-diameter substitutes on the same rim are 295/108R10 and 315/101R10. 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 305/104R10 you can upsize to 315/97R11 (plus-one) to fit a larger wheel without changing the speedometer reading, or downsize to 295/112R9 (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 305/104R10 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 305/104R10

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