It is without a doubt that checking the tire tread depth of your tires is one of the most important maintenance items you can do on your vehicle. This can be done using a tire tread depth tool and measuring the tread depth at different points on the tire to determine whether or not the tires are still adequate or if they need to be replaced. Not everyone always has a tire tread depth tool on hand, so another easy way of checking the tread depth is to use a penny. I’ve laid out the process for checking tire tread depth using a penny and how you can various indications on the penny to determine the level of the tire’s tread depth.