Tire chains are most effective in how many inches of snow?

• A. 1-2
• B. 3-6
• C. 6-9
• D. 9-12

Answer: (B)

Tire chains work by giving the tire a solid grip on snow and ice. They’re most effective when there’s enough snow for the chains to bite into, but not so much that the tire mostly rides on top of fluffy snow or that the chain starts packing up with snow and losing contact with the road. About 3 to 6 inches of snow hits that sweet spot where the surface provides something to grip and the chains can actually transfer traction to the pavement. In lighter snow (1–2 inches), you often don’t need chains and the benefit is small, while in very deep snow (6 inches or more) the chain’s grip can be less effective as conditions change and the chains can become less reliable or harder to manage.