The tire tread depth is the measurement between the groove (the gap between the patterned rubber) and the top of the tire tread. For new tires, this depth is usually 10/32 or 11/32 inches (8 or 9 mm).

Although the ideal way to check tire tread wear is with a tread-depth gauge, you can get by with what’s known as the “penny test” or just using your fingers.

While tires may not be the most exciting part of a car, they are one of the most important. Checking a cars tires should be done year round.

For those without a gauge on hand, there's the well-known penny test: Insert a penny into the tire tread with Lincoln's head facing down. If you can see the top of his head, your tread is 2/32" or ...

Since they currently run approximately $1,500, don't expect to see them in wide use in the field measuring truck tire tread depths any time soon. But technology seems to change by the hour. Who knows, ...

CR's experts provide tips for inspection tires before road trips, explaining checking tire pressure, tread wear, sidewall ...

Accutire Tire Pressure Gauge with Tread Depth Gauge: $16: 0 psi to 99 psi: Comes with tire tread depth gauge; auto-shut off; back-lit LCD display. Enlarge Image ...

Not only is it lighter and smaller, it has more features — it includes a tire tread depth gauge! The and opposite the valve has a retractable tread depth gauge, calibrated in millimeters and inches.

We've always found that our tires get squirrely in the wet before they fail the old penny test for tread depth. The Tire Rack, supplier of black round things and other accessories, are suggesting ...

The tire tread depth is the measurement between the groove (the gap between the patterned rubber) and the top of the tire tread. For new tires, this depth is usually 10/32 or 11/32 inches (8 or 9 mm).