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Is 29580r225 11 or 12?

6Answers
DiBrooke
09/01/2025, 02:40:23 AM

295/80R22.5 is a specific tire model. Its diameter is similar to 11R22.5, but it is wider with greater load capacity, and its width is comparable to 12R22.5. Therefore, it is neither an 11R22.5 tire nor a 12R22.5 tire. Relevant information is introduced as follows: 295/80R22.5 is the tire model, where 295 refers to the tire width (mm), also known as the section width, 80 refers to the aspect ratio, which is the percentage of sidewall height to tire width, and R22.5 represents the rim diameter. Therefore, a 295/80R22.5 tire is equivalent to a diameter of 22.5 inches and can be mounted on a 22.5-inch rim.

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DelEvelyn
09/13/2025, 10:32:16 PM

Having worked in a repair shop for twenty years, I've seen this type of issue often. 29580r225 typically refers to a 295/80R22.5 tire size: 295mm width, 80 aspect ratio, and 22.5-inch diameter. Converting the units, 295mm is approximately 11.6 inches, so it's not exactly 11 or 12 inches. Many people misunderstand because older tires used to directly mark the width in inches—for example, 11.00R22.5 means 11 inches wide—but metric sizes are more precise. The 22.5-inch rim is a standard size for semi-trailers, and the 11.6-inch width is better suited for heavy loads, improving stability and fuel efficiency. When buying replacement tires, don't just look at the width; also check the load index and speed rating, otherwise it may lead to uneven wear or handling issues. I recommend using a tire calculator or measuring the actual width with a tape measure.

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Journey
10/27/2025, 11:13:36 PM

As a car enthusiast, I love analyzing these numbers when playing with cars. Breaking down 295/80R22.5: 295 is the tire width in millimeters, 80 is the aspect ratio, R stands for radial, and 22.5 is the rim diameter in inches. Converting 295mm to inches (divide by 25.4) gives approximately 11.6 inches – neither a perfect 11 nor 12 inches. With the popularity of metric sizing, confusion has increased; traditional US sizes like 12R22.5 clearly indicate 12-inch width. The 11.6-inch width offers decent grip and low noise performance, especially for pickups or SUVs. Before changing tires, consult your vehicle manual or use online tools to compare these values. Remember, the aspect ratio affects sidewall height, impacting comfort – choosing wrong sizes during modifications may reduce range.

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MatteoLee
12/10/2025, 10:29:29 PM

For car commuters, such questions are often encountered. 29580r225 refers to the tire size, with a width of 295mm, approximately equivalent to 11.6 inches, so it's neither 11 nor 12 inches. The 22.5-inch wheel rim is fixed, and the 0.6-inch difference in width has little impact on daily driving. However, choosing the wrong model can alter the handling feel, such as being prone to skidding during sharp turns or a slight increase in fuel consumption. When changing tires, don't rely on guesswork; refer to the original factory label or have a professional shop measure the actual values to ensure safety. Significant size deviations may lead to faster wear, so checking tire condition before hitting the highway is crucial.

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VanSamuel
01/30/2026, 11:36:45 PM

In car dealership sales, this size is frequently inquired about. The 29580r225 denotes a 295/80R22.5 tire, with a width of 295mm approximately 11.6 inches, falling between 11 and 12 inches, not purely an 11 or 12-inch model. This size is commonly used for semi-trailers, where the 11.6-inch width balances load capacity and road adaptability, outperforming narrower tires on rough terrain. When customers choose tires, I emphasize looking at the overall specification rather than a single number. For instance, the 295/80R22.5 fits many commercial vehicles, enhancing durability and fuel efficiency. If considering a replacement with a different width, it's crucial to evaluate overall size compatibility to avoid risks. In terms of pricing, metric tires are generally more common and easier to replace.

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BentleyAnn
04/25/2026, 05:20:54 PM

In the automotive repair course, the teacher taught us how to convert tire sizes. In the code 29580r225, the width of 295 millimeters divided by 25.4 equals 11.6 inches, which strictly speaking does not fall into the 11 or 12-inch category. The rim diameter of 22.5 inches is a standard value, and the width of 11.6 inches represents a medium size, suitable for everyday truck applications. The aspect ratio of 80 ensures good sidewall support, reducing bumps. The confusion in sizing stems from the transition from the imperial system to the metric system. It is recommended to memorize the formula: divide millimeters by 25.4 to get the width in inches. Understanding this is crucial for maintenance safety, as choosing the wrong tire can affect balance and tire pressure monitoring. Practicing with measuring tools more often can prevent daily misjudgments.

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