How to Check Winter Tire Tread with a Quarter
Winter driving in Calgary can be a challenge. Snowy roads, icy patches, and subzero temperatures put your vehicle—and your tires—to the test. To ensure safe driving, winter tires with proper tread depth are essential. But how do you know when your tires need replacing? The good news is you don’t need fancy tools to check your tire tread—just a quarter!
Let’s get into on how to check your winter tire tread depth using a quarter, why proper tread depth matters, and tips for maintaining your tires throughout Calgary’s harsh winter season.
Why Tread Depth is Crucial for Winter Tires
Tread depth refers to the vertical measurement from the surface of the tread to the bottom of the grooves in a tire. For winter tires, proper tread depth ensures:
- Enhanced Traction: Deep grooves help grip snowy and icy surfaces, reducing the risk of skidding.
- Better Water Evacuation: Adequate tread depth channels slush and water away, preventing hydroplaning.
- Compliance with Safety Standards: Canadian laws require a minimum tread depth of 1.6 mm (2/32 of an inch) for tires, but winter tires should ideally have at least 4.8 mm (6/32 of an inch) for optimal performance.
Also read: When to Switch to Winter Tires in Calgary?
The Quarter Test: A Step-by-Step Guide
Using a quarter to check your winter tire tread depth is quick, easy, and accurate. Here’s how to do it:
1. Grab a Canadian Quarter
Ensure the quarter you’re using is clean and easy to see. The key detail for this test is the caribou design on the quarter.
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