Section Width225 mm (8.9")
Aspect Ratio208%
Rim Diameter37"
Overall Diameter1876 mm (73.8")
Sidewall Height468 mm
Circumference5893 mm
225/208R37 — Buy Tires

Everything to know about the 225/208R37 tire size

Size geometry

A 225/208R37 tire has a 225mm section width and a 208% aspect ratio, mounted on a 37-inch rim. Sidewall height works out to 468.0mm (18.43") and overall outside diameter is 1875.8mm (73.85"). At highway speed the tire completes about 170 revolutions per kilometre — your speedometer and odometer were calibrated against this number.

Direct substitute sizes

If 225/208R37 is unavailable, the closest same-diameter substitutes on the same rim are 215/218R37 and 235/199R37. 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 225/208R37 you can upsize to 235/194R38 (plus-one) to fit a larger wheel without changing the speedometer reading, or downsize to 215/224R36 (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 225/208R37 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 225/208R37

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