Section Width225 mm (8.9")
Aspect Ratio77%
Rim Diameter16"
Overall Diameter753 mm (29.6")
Sidewall Height173 mm
Circumference2365 mm
225/77R16 — Buy Tires

Everything to know about the 225/77R16 tire size

Size geometry

A 225/77R16 tire has a 225mm section width and a 77% aspect ratio, mounted on a 16-inch rim. Sidewall height works out to 173.3mm (6.82") and overall outside diameter is 752.9mm (29.64"). At highway speed the tire completes about 423 revolutions per kilometre — your speedometer and odometer were calibrated against this number.

Direct substitute sizes

If 225/77R16 is unavailable, the closest same-diameter substitutes on the same rim are 215/81R16 and 235/74R16. 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 225/77R16 you can upsize to 235/68R17 (plus-one) to fit a larger wheel without changing the speedometer reading, or downsize to 215/86R15 (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 225/77R16 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 225/77R16

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