Section Width665 mm (26.2")
Aspect Ratio37%
Rim Diameter22"
Overall Diameter1051 mm (41.4")
Sidewall Height246 mm
Circumference3302 mm
665/37R22 — Buy Tires

Everything to know about the 665/37R22 tire size

Size geometry

A 665/37R22 tire has a 665mm section width and a 37% aspect ratio, mounted on a 22-inch rim. Sidewall height works out to 246.1mm (9.69") and overall outside diameter is 1050.9mm (41.37"). At highway speed the tire completes about 303 revolutions per kilometre — your speedometer and odometer were calibrated against this number.

Direct substitute sizes

If 665/37R22 is unavailable, the closest same-diameter substitutes on the same rim are 655/38R22 and 675/36R22. 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 665/37R22 you can upsize to 675/35R23 (plus-one) to fit a larger wheel without changing the speedometer reading, or downsize to 655/40R21 (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 665/37R22 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 665/37R22

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