Shopping for the perfect tire for your car, truck, van, CUV or SUV is as easy as selecting your tire size. The tire size can be found in a few locations: on the inside frame of the driver’s side door, inside the glove box door, your driver’s manual, or your current tire’s sidewall.

Tire sizes are made up of a few key sections organized in a uniform manner. The first letters, either “P” or “LT”, stand for passenger or light truck. Following that, the first number represents the width of the tire and the second is the aspect ratio, or your tire height in relation to the width. This is followed by a letter that indicates the construction of your tire, and then lastly, the rim size or your wheel diameter. Write down this information and search with the tool above, you can input the right wheel diameter for your vehicle and quickly find the tire that best suits your needs and budget.