Section Width445 mm (17.5")
Aspect Ratio87%
Rim Diameter10"
Overall Diameter1028 mm (40.5")
Sidewall Height387 mm
Circumference3231 mm
445/87R10 — Buy Tires

Everything to know about the 445/87R10 tire size

Size geometry

A 445/87R10 tire has a 445mm section width and a 87% aspect ratio, mounted on a 10-inch rim. Sidewall height works out to 387.1mm (15.24") and overall outside diameter is 1028.3mm (40.48"). At highway speed the tire completes about 310 revolutions per kilometre — your speedometer and odometer were calibrated against this number.

Direct substitute sizes

If 445/87R10 is unavailable, the closest same-diameter substitutes on the same rim are 435/89R10 and 455/85R10. 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 445/87R10 you can upsize to 455/82R11 (plus-one) to fit a larger wheel without changing the speedometer reading, or downsize to 435/92R9 (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 445/87R10 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 445/87R10

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