Section Width815 mm (32.1")
Aspect Ratio50%
Rim Diameter11"
Overall Diameter1094 mm (43.1")
Sidewall Height408 mm
Circumference3438 mm
815/50R11 — Buy Tires

Everything to know about the 815/50R11 tire size

Size geometry

A 815/50R11 tire has a 815mm section width and a 50% aspect ratio, mounted on a 11-inch rim. Sidewall height works out to 407.5mm (16.04") and overall outside diameter is 1094.4mm (43.09"). At highway speed the tire completes about 291 revolutions per kilometre — your speedometer and odometer were calibrated against this number.

Direct substitute sizes

If 815/50R11 is unavailable, the closest same-diameter substitutes on the same rim are 805/51R11 and 825/49R11. 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 815/50R11 you can upsize to 825/48R12 (plus-one) to fit a larger wheel without changing the speedometer reading, or downsize to 805/52R10 (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 815/50R11 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 815/50R11

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