225/50R18 tire size meaning:
225 = Tire width is 225 mm
50 = Sidewall height is 50% of 225 mm = 112.5 mm
R = Radial tire construction
18 = Fits an 18-inch rim
Approximate Dimensions
Sidewall height: 112.5 mm (4.4 inches)
Overall tire diameter: 26.9 inches (684 mm)
Circumference: 84.4 inches (2,144 mm)
Common Vehicles Using 225/50R18
This size is often found on sedans, crossovers, and SUVs such as:
Toyota Camry
Honda Accor