Toyo M175 445/50R22.5/20 161L - 500470

The Toyo M175 in 445/50R22.5 ships free from ThreePiece.us, with Affirm financing available at checkout and fast delivery from a nationwide warehouse network.

What 445/50R22.5 means

In the size 445/50R22.5, 445 is the section width in millimeters (17.52 in), 50 is the aspect ratio — the sidewall stands 50% as tall as the tire is wide, or 222.5 mm (8.76 in) — R denotes radial construction, and 22.5 is the wheel diameter in inches. That works out to an overall diameter of about 40.02 inches, turning roughly 504 revolutions per mile. Overall diameter is what matters for speedometer accuracy and clearance when you change sizes, so compare it — not just the width — against your current tire.

The manufacturer lists the overall diameter of this specific tire as 39.8 inches — when clearance is tight, go by the published figure rather than the nominal size math.

Load Range L corresponds to a 20-ply rating.

Specifications

Frequently asked questions

Will 445/50R22.5 tires fit my vehicle?

Check the size molded into your current tire's sidewall or the tire placard inside the driver's door jamb — if it reads 445/50R22.5, this tire matches your vehicle's fitment. If you're changing sizes, compare overall diameter to keep your speedometer and clearances right.

How fast does this tire ship?

Every order at ThreePiece.us ships free, with fast delivery from a nationwide warehouse network. Affirm financing is available at checkout.

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