1.6 mm is the minimum
1mm according to UK law
If you mean tire tread depth, the minimum is 1.6mm.
Minimum LEGAL tire tread depth is 2/32nds of an inch.
The minimum tyre tread depth in the UK is 1.6mm.
UK is 1mm
IC 9-19-18 - Indiana does not have a legal tire depth law... Most states list 2/32 as the limit.
The minimum tire tread depth for a car is typically 2/32 of an inch (1.6 mm) in the United States. However, many safety experts recommend replacing tires when the tread depth reaches 4/32 of an inch to ensure better traction, especially in wet conditions. Regularly checking tire tread depth can help maintain optimal performance and safety.
A typical automotive vehicle legal tread depth is 2/32", which isn't much.
In most of the USA, the legal minimum is 2/32 inch.
LGV's must have a tread depth of at least 1mm across 3/4 of the breadth of the tread and in a continuious band around the entire circumference
All tires on vehicles driven in Missouri must be safe. There is no listed minimum tiretread depth or mention of tire grooving in the laws.
Tire spec in PA is 2/32 of an inch of minimum tread