Section Width455 mm (17.9")
Aspect Ratio11%
Rim Diameter30"
Overall Diameter862 mm (33.9")
Sidewall Height50 mm
Circumference2708 mm
455/11R30 — Buy Tires

Everything to know about the 455/11R30 tire size

Size geometry

A 455/11R30 tire has a 455mm section width and a 11% aspect ratio, mounted on a 30-inch rim. Sidewall height works out to 50.0mm (1.97") and overall outside diameter is 862.1mm (33.94"). At highway speed the tire completes about 369 revolutions per kilometre — your speedometer and odometer were calibrated against this number.

Direct substitute sizes

If 455/11R30 is unavailable, the closest same-diameter substitutes on the same rim are 445/11R30 and 465/11R30. 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 455/11R30 you can upsize to 465/8R31 (plus-one) to fit a larger wheel without changing the speedometer reading, or downsize to 445/14R29 (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 455/11R30 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 455/11R30

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