What is the size of a 215 tire?

2 Answers
OBrielle
09/01/25 5:22am
215 tires come in different models, and their sizes vary. Here is a detailed introduction: Model classification: Mainly 215/55R17, 215/60R16. Model meaning: 215 represents the tire's section width of 215 millimeters, 55 and 60 represent the tire's aspect ratio, which is the percentage of the tire's section height divided by the tire's width, R stands for radial tire, 16 represents the rim diameter of 16 inches, and 17 represents the rim diameter of 17 inches. Tire introduction: The tire's sidewall is marked with an arrow or the word OUTERSIDE, indicating the tire's rotation direction. If a small umbrella symbol is drawn on the sidewall, it indicates that the tire is suitable for driving in rainy or slippery road conditions. Some tires also contain other letters or symbols with special meanings: "X" indicates a high-pressure tire, "C" indicates a reinforced type, "B" indicates a bias-ply tire, "-" indicates a low-pressure tire. M and S are abbreviations for Mud and Snow in English, indicating that the tire is suitable for use on snowy and muddy roads.
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JesseMarie
09/13/25 8:04am
As a car enthusiast, I often get asked about tire sizes, like 'how many inches is this 215 tire?' I have to clarify that 215 doesn't refer to the wheel diameter, but rather the tire width in millimeters. If you're referring to the complete marking on the tire, such as 215/65 R15, then the number after R (15 in this case) indicates the wheel diameter, which would be 15 inches. Just looking at 215 alone only tells you the tire width is approximately 8.5 inches (since 1 inch equals about 25.4 mm), but it doesn't give the wheel size – it's like asking 'how tall is a person' and only getting their weight. So, you need to check the tire sidewall for that R-number or recall your last tire replacement records. Many cars today use 215-width tires, but diameters can range from 14 to 18 inches depending on the vehicle model. I recommend verifying the complete tire specifications before your next replacement to avoid safety issues from incorrect choices. Remember, tire size markings consist of three parts: width, aspect ratio, and wheel diameter.
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