[{"data":1,"prerenderedAt":177},["ShallowReactive",2],{"page-/en/guide/how-to-read-tire-size-guide":3},{"id":4,"title":5,"body":6,"description":146,"extension":147,"meta":148,"navigation":172,"path":173,"seo":174,"stem":175,"__hash__":176},"content/en/guide/how-to-read-tire-size-guide.md","How to Read Tire Size: The Ultimate Guide for Beginners",{"type":7,"value":8,"toc":128},"minimark",[9,13,17,22,30,35,38,42,45,49,52,56,59,63,66,77,81,103,107,111,114,118,121,125],[10,11,5],"h1",{"id":12},"how-to-read-tire-size-the-ultimate-guide-for-beginners",[14,15,16],"p",{},"When it's time to buy new tires, the long string of numbers and letters on the sidewall can look like a secret code. Fortunately, reading tire size is easy once you know what each part means.",[18,19,21],"h2",{"id":20},"the-tire-size-string-explained","The Tire Size String Explained",[14,23,24,25,29],{},"Let's use ",[26,27,28],"strong",{},"195/75R14"," as an example. This sequence tells you everything about the physical dimensions of the tire.",[31,32,34],"h3",{"id":33},"_1-tire-width-195","1. Tire Width (195)",[14,36,37],{},"The first number is the width of the tire in millimeters from sidewall to sidewall. A 195 means the tire is 195mm wide.",[31,39,41],{"id":40},"_2-aspect-ratio-75","2. Aspect Ratio (75)",[14,43,44],{},"The number after the slash is the aspect ratio, which represents the height of the tire's sidewall as a percentage of its width. In this case, the sidewall height is 75% of 195mm.",[31,46,48],{"id":47},"_3-construction-type-r","3. Construction Type (R)",[14,50,51],{},"The letter \"R\" stands for Radial, which is the standard construction method for modern passenger vehicle tires.",[31,53,55],{"id":54},"_4-wheel-diameter-14","4. Wheel Diameter (14)",[14,57,58],{},"The final number indicates the diameter of the wheel (in inches) that the tire is designed to fit. This tire requires a 14-inch wheel.",[18,60,62],{"id":61},"finding-the-right-fit","Finding the Right Fit",[14,64,65],{},"Always check your vehicle's owner's manual or the sticker on the driver's side door jamb for the recommended tire size.",[14,67,68,69,76],{},"If you are looking for a reliable everyday tire, the ",[70,71,75],"a",{"href":72,"rel":73},"https://www.fixgo.com/detail/297?utm_source=blog&utm_medium=article",[74],"nofollow","HANKOOK KINERGY ST H735"," offers excellent all-season performance and durability.",[18,78,80],{"id":79},"how-to-evaluate-it-step-by-step","How to evaluate it step by step",[82,83,84,91,97],"ol",{},[85,86,87,90],"li",{},[26,88,89],{},"Start with the fixed constraints",": Match the width, aspect ratio, and wheel diameter exactly to your car's requirements.",[85,92,93,96],{},[26,94,95],{},"Consider the speed rating",": Ensure the tire meets or exceeds your vehicle's recommended speed capability.",[85,98,99,102],{},[26,100,101],{},"Check the load index",": The tire must be able to support the weight of your vehicle.",[18,104,106],{"id":105},"faq","FAQ",[31,108,110],{"id":109},"do-i-really-need-to-stick-to-the-exact-size","Do I really need to stick to the exact size?",[14,112,113],{},"A: Yes. Changing the tire size without adjusting the wheel or suspension can cause clearance issues and affect your speedometer accuracy.",[31,115,117],{"id":116},"what-if-i-want-wider-tires","What if I want wider tires?",[14,119,120],{},"A: You can sometimes install wider tires, but you must lower the aspect ratio to maintain the same overall wheel diameter. This is called \"plus sizing.\"",[18,122,124],{"id":123},"bottom-line","Bottom line",[14,126,127],{},"Understanding tire size is the first step to ensuring your vehicle's safety and performance. Always verify the required size for your specific make and model before making a purchase.",{"title":129,"searchDepth":130,"depth":130,"links":131},"",2,[132,139,140,141,145],{"id":20,"depth":130,"text":21,"children":133},[134,136,137,138],{"id":33,"depth":135,"text":34},3,{"id":40,"depth":135,"text":41},{"id":47,"depth":135,"text":48},{"id":54,"depth":135,"text":55},{"id":61,"depth":130,"text":62},{"id":79,"depth":130,"text":80},{"id":105,"depth":130,"text":106,"children":142},[143,144],{"id":109,"depth":135,"text":110},{"id":116,"depth":135,"text":117},{"id":123,"depth":130,"text":124},"Confused by the numbers on your tire sidewall? Our guide breaks down tire size, speed rating, and load index so you know exactly what to buy.","md",{"author":149,"readingTime":150,"sourceUrls":151,"visibility":152,"coverImage":153,"canonical":154,"publishedAt":155,"updatedAt":155,"approvedAt":155,"approvedBy":156,"type":157,"primaryKeyword":158,"locale":159,"workflowStatus":160,"productRefs":161,"tags":165,"secondaryKeywords":168,"alternates":170},"Stephanie Walsh",4,[],"prod","https://img.fixgo.com/eyJidWNrZXQiOiJ6b28tZmUiLCJrZXkiOiJpbWcvMjAyNjA0MjMtaG94bC53ZWJwIiwiZWRpdHMiOnt9fQ==","https://www.fixgo.com/blog/en/guide/how-to-read-tire-size-guide","2026-04-23","Boss","guide","how to read tire size","en","published",[162],{"productUrl":163,"name":75,"size":28,"brand":164},"https://www.fixgo.com/detail/297","HANKOOK",[166,167],"tire size","tire buying",[158,169],"tire numbers",{"en":171},"/blog/en/guide/how-to-read-tire-size-guide",true,"/en/guide/how-to-read-tire-size-guide",{"title":5,"description":146},"en/guide/how-to-read-tire-size-guide","k_RYlx-cX4UCO7fflLjjO1IRkdsqboZwQ-y-qXZIsck",1776957224798]