Section Width105 mm (4.1")
Aspect Ratio447%
Rim Diameter37"
Overall Diameter1879 mm (74.0")
Sidewall Height469 mm
Circumference5901 mm
105/447R37 — Buy Tires

Everything to know about the 105/447R37 tire size

Size geometry

A 105/447R37 tire has a 105mm section width and a 447% aspect ratio, mounted on a 37-inch rim. Sidewall height works out to 469.4mm (18.48") and overall outside diameter is 1878.5mm (73.96"). At highway speed the tire completes about 169 revolutions per kilometre — your speedometer and odometer were calibrated against this number.

Direct substitute sizes

If 105/447R37 is unavailable, the closest same-diameter substitutes on the same rim are 95/494R37 and 115/408R37. 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 105/447R37 you can upsize to 115/397R38 (plus-one) to fit a larger wheel without changing the speedometer reading, or downsize to 95/507R36 (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 105/447R37 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 105/447R37

tire_size.no_vehicles_found