225/77R15 Tire Size Specifications
This tire size 225/77R15 fits 0 vehicles in our database.
Everything to know about the 225/77R15 tire size
Size geometry
A 225/77R15 tire has a 225mm section width and a 77% aspect ratio, mounted on a 15-inch rim. Sidewall height works out to 173.3mm (6.82") and overall outside diameter is 727.5mm (28.64"). At highway speed the tire completes about 438 revolutions per kilometre â your speedometer and odometer were calibrated against this number.
Direct substitute sizes
If 225/77R15 is unavailable, the closest same-diameter substitutes on the same rim are 215/81R15 and 235/74R15. Both keep your speedometer reading within 1% â safe for daily use, ABS, and stability control. Always verify load and speed ratings before swapping.
Plus / minus sizing options
For a 225/77R15 you can upsize to 235/68R16 (plus-one) to fit a larger wheel without changing the speedometer reading, or downsize to 215/86R14 (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 225/77R15 tire size from the factory. Aftermarket fitment depends on rim width, offset, and clearance â match these specs to your wheel before purchasing tires.
Vehicles Using 225/77R15
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