Tire size conversion chart that shows what P-metric tires sizes are to the equivalent imperial flotation size in inches.

Larger wheels give cars a more aggressive stance and greater stage presence, which is why automakers install king-size rims on concept cars. They look cool.

Maybe you're thinking about increasing the size of the wheels on your car. If so, there are some important factors to take into account. Here's what we know.

Read about how having a smaller wheel size is better for speed and that big wheels are just for style inside Popular Hot Rodding Magazine.