You can use a tread depth gauge to take a reading. Alternatively, the outer rim of a 20p coin happens to measure 1.6mm – pop the coin into the tread and if you can see any of the coin’s rim ...

A proper tread gauge only costs a few pounds but if you don’t have one you can use the 20p test. Push a 20p coin into the tread of the tyre. If the outer band of the coin is obscured when it is ...

The technique of taking proper tread depth measurements is usually one that is never taught. In preparation for performing their service duties on a fleet's tires, technicians are normally handed a $2 ...

If you don’t have a tread depth gauge then the border of a 20p piece can be inserted into the main grooves to see if you tyres are below or above 3mm. Source: Continental ...

You can check the tyre’s tread depth with a tyre tread depth gauge, but for a quick visual check, manufacturers often mould little bars into the tread at a height of 1.6mm.

Drivers can also use a tyre tread depth gauge to help you get an accurate measurement, find out more via the Halfords website. RAC also suggests taking a 20p coin and inserting it into the grooves ...

Drivers can also use a tyre tread depth gauge to help you get an accurate measurement, find out more via the Halfords website. RAC also suggests taking a 20p coin and inserting it into the grooves ...