Section Width455 mm (17.9")
Aspect Ratio68%
Rim Diameter13"
Overall Diameter949 mm (37.4")
Sidewall Height309 mm
Circumference2981 mm
455/68R13 — Buy Tires

Everything to know about the 455/68R13 tire size

Size geometry

A 455/68R13 tire has a 455mm section width and a 68% aspect ratio, mounted on a 13-inch rim. Sidewall height works out to 309.4mm (12.18") and overall outside diameter is 949.0mm (37.36"). At highway speed the tire completes about 335 revolutions per kilometre — your speedometer and odometer were calibrated against this number.

Direct substitute sizes

If 455/68R13 is unavailable, the closest same-diameter substitutes on the same rim are 445/70R13 and 465/67R13. 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 455/68R13 you can upsize to 465/64R14 (plus-one) to fit a larger wheel without changing the speedometer reading, or downsize to 445/72R12 (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 455/68R13 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 455/68R13

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