Metric and Inch Tires Sizes. For example, when replacing a FR78-14, you would look up the appropriate 75-series size, the 205/75R14. Example: 285/75R16 (285 X 75 / 2540 x 2) + 16 = 32.8 inches tall. Then as a bonus it shows examples of your speedometer reading with the first tyre, and the actual speed you"re traveling if you were to install the second tyre. Use the tire converter to populate a list of alternate tire sizes. Reference. Inch measurement tyres are fairly easy to understand however metric tyres use a more difficult system to read. Before you continue, please read the notes below. Well if all that maths seems a little beyond you, and judging by the volume of e-mails we get on this subject, we've made a little Javascript application below to help you out. However, this will just show you all the theoretically possible sizes. A ISO tire size of 28-622 is how we would refer to a 700 x 28C tire has a tire width of 28 mm and a rim diameter of 622 mm. The Tire Size Converter performs tire size conversion from the inch tire size (English/Standard/Imperial measuring system) to the metric tire size and the other way around. Tire Size Calculator. Tire Size Comparison Calculator Use this tool to compare two tire sizes. The first number on a metric tyre is the width. It also shows real tire sizes if such exist. A tire size conversion chart helps you figuring out the correct measurement of a tire or the right replacement to your vintage car’s original tires. By Vehicle By Size By Diameter By Brand By Type. Use the comparison tab to see side by side comparison and speedometer error. The sizes of some tyres are indicated in inches in accordance with the American measurement system. Tyre Size Calculator - click here or call 01244 459 611 for more information. 07831 365412 / 01244 813030. Select the tyre size you currently have, and then the size you're interested in. Search By. With inch tire sizes the first number is the height and the second is the width. Tires . Use our tire size calculator to find tire size specs and suggested tire sizes. We have a tire size converter for that too. From standard bias ply sizes such as 6.70-15 to Alpha Numeric sizes like F70-15, all the way up to modern P-Metric sizing, such as 205/75R15. We agree! The third number generally preceded by an "R" is the wheel diameter. The tire size we will use for our example is a 120/70ZR-17TL. You know what would be great? Click on each size to see available tires in that size. Aside from the acceptable tyre diameter difference, you should also consider the various indexes and factors that represent a tyre’s suitability. Just enter the size of tire you have now, then the new wheel size you want to go with and click "convert equivalent". Tires . Use our handy online calculator to get a list of the ones that will fit your vehicle. 22.5 Our tyre calculator makes this happen for you. There you go, the equal tire size on a different size wheel using the tire converter on the right. Minilite; Revolution Alloy Wheels; Alloy Wheels for Ferrari; Alloys For Vans. Use our tyre size calculator to calculate the diameter, width, sidewall, circumference, and revolutions per mile of any tyre. You input the metric measurement and it spits it out in inches. Also browse our tyre categories and deals pages for Jeep tyres, 4X4 tyres, cheap new tyres, all weather tyres, cheap truck tyres, all season tyres, and tyres with free shipping. It can also be written as 120/70Zx17TL or 120/70ZR17TL. Our tire size comparison calculator will help you compare up to 10 additional sizes. Use the tyre calculator to populate a list of alternate tyre sizes. The aspect ratio of a tire is often contained in the size marking, e.g. This has resulted in various size markings. Enter the metric size (i.e. Tire Size Calculator calculates tire diameter, circumference, revolutions per mile/km from the tire size designation on a tire. Also browse our tire conversion charts to get ideas on tire conversion or to find the tire that is right for you. R The construction code (the radial construction). The 2nd number is used to calculate the sidewall height or "aspect ratio", by percentage. A tire size converter at your convenience everyday anytime you want. What sets us apart is our tyre suggestion guide. Enter a Tire Size [+] - or - 21" Tire Sizes . Getting new tires and changing wheel size but want to run the same diameter of tire? Two versions of numeric tire sizes were used as Original Equipment on vehicles between 1949 and 1970. 15 : Interior tyre diameter or rim diameter in inches. Motorcycle tyres are manufactured in a number of different countries with differing requirements in terms of load, dimensions and speed ratings. Use the tire converter to populate a list of alternate tire sizes. We strive to help you get the information you need about PCD, offset, rims and all other wheel and tire data that you need for your vehicle. It also solves the problem of deciding what tyre you would like to run if you have inch measurements in mind but can't find a company that manufactures that inch size tyre. A tyre size conversion calculator or tyre diameter calculator are the best ways to get the answers you are looking for. The table below lists most of the sizes of tyre that are likely to be found in the UK. LT : U.S. term for "Light Truck". Education . The chart could be used for many different vehicle manufacturers if your were thinking of putting after market or replica alloys and going up in the size rim used. Tire sizes can be a bit confusing, as the size designations changed a lot over the years. The calculator above is based on the ISO/ETRTO (European Tyre and Rim Technical Organization) tire size which specifies tire size as a tire width and rim circumference in mm. The tyre size presented below is common on the buses: Designation: 295/80R22.5 152/148 M. The designation meaning: 295 The tyre width (the nominal section width) expressed in mm. Inch measurement tyres are fairly easy to understand however metric tyres use a more difficult system to read. Education . To convert numeric sizes to today's P-metri… You should always use the proper size tire but when an older car size is no longer produced, this might help. 80 The aspect ratio (the ratio of sidewall's section height to the tire's section width) in % (80%). Making it as simple as possible to find the tyre that is just right for you. It also shows real tire sizes if such exist. Just fill in the inch measurements you are looking for and it will calculate and exact metric version of that tyre. Rim & Tire Size Calculator. This calculator also gives the option to compare tires. Just click on the sizes from the list and follow the links to each tire to compare tire prices and specs. The early numeric tires had the equivalent of a 90-series aspect ratio, while later tires offered a \"lower\" profile equivalent to an 80-series. Need more help? Some manufacturers put the speed rating at the end of the size and do not indicate if the tire is tubeless or not. The aspect ratio of a tire is the relationship of the tire cross section height ( 'H' below) to the cross section width ('S' below). By using this website you consent to our terms of service and cookies policy. The tire size comparison calculator takes the measurements of two tyres and compares the diameter, width, sidewall, circumference, and revolutions per mile. The tyrestore Upsize calculator for your tyres. Tire Size Chart. Just input either metric or inch measurements in the appropriate fields and click "convert" to instantly view tire conversions. Showing you a list of tires that are made in that size and then comparing prices on those tires from the top sellers in the market. Also check out our tire size calculator and tire size comparison pages for a more detailed tire conversion. Perform tire size conversion for any tire size, from the metric tire size to the inch tire size and the other way around with the tire size converter. So, the sidewall height of a As a rule, please only allow yourself a maximum of 2.5% difference +/-. Spare Wheels; Alloy Wheels; Classic Cars. 285/75 R17) / R. Calculate. The second number on a metric tyre is to calculate the side wall measurement. 130/90 x 16. etc.. Look at our free to use tyre size calculator, used to compare the differences between you OE fit tyres and other alternatives. The sidewall and aspect ratio are used in metric sized tyres to determine the overall height of a tyre. Original size . That’s why you have two options: First you can buy tires of the original tire size. Just type in the metric fields and click convert to inches. Tire Size Comparison. While standard SAE tire sizes are easy to understand (a 35x12.50-16 tire runs 35 inches tall by 12.5 inches wide for a 16 inch wheel), many popular tires, particularly those under 35" tall, use harder to visualize metric dimensions (a 315/75R16 tire is 315 mm wide with a sidewall height that is 75% of the width for a 16 inch wheel). An easy to use tire size converter. Tire Size Comparison. Convert metric or inch tire sizes and view the results with our tire visualizer. It reads : 32 x 11.5 R 15 LT - total height of the tyres x width R diameter : 32 : Tyre diameter in inches. Filter Tire Results [+] By Brand. 15-inch Wheel Conversion Chart. For each tyre size you input our tyre calculator suggests multiple tyre sizes that are with in one inch bigger and smaller of the entered tyre size. More Size Tools . Tyre size table. 11.5 : Tread width in inches. Tyre size conversion US / European system. Supports tire sizes in metric and inches. * When replacing Alpha Numeric tires with Euro-metric or P-metric tires, look for the Euro-metric or P-metric size listed in the equivalent aspect ratio. R : Radial tyre. Calculate and compare the tire dimensions for any tire size (in mm and inches). Just type in a metric or standard size tyre and click calculate. These tires typically featured tread widths ranging from 3.5\" for the smallest 13\" rim diameter tires to about 5.5\" for the largest 15\" rim diameter tires. Jen; March 23, 2017 ; Tweet; Metric to Standard Conversion. First, you have to know that auto brands choose tire according to the wheels, shock absorber, frame and many things that have an impact on the car. What size tires do you need? Skip to primary content. The first number on a metric tyre is the width. Tire Size Chart. Calculate metric or inch tyre dimensions and compare to similar tyre sizes. This is for as close to a direct replacement for each size but is not endorsed by any safety group or manufacturer of tires or automobiles. Tyre Size Calculator. The sidewall height or "aspect ratio" of a 285/75/R16 tyre is 75% of 285mm. More Size Tools . The chart on this page gives a guide to the relationship between various size markings. Use our tyre size calculator to calculate the diameter, width, sidewall, circumference, and revolutions per mile of any tyre. The other option is to find the right alternative size. To calculate a metric tyre to height in inches: (#1 x #2 / 2540 x 2) + (#3). Contact Us. The first number is the tire width in millimeters. However, no tire size conversion chart will give you the perfect measurements as the correct size depends on a couple of factors such as wheel size and diameter. Also browse our tire categories and deals pages for Jeep tires, 4X4 tires, cheap new tires, all weather tires, cheap truck tires, all season tires, and tires with free shipping. Directions. So here you go. Calculate and compare the tire dimensions for any tire size (in mm and inches). Search By. Wheel-Size.com is a Wheel Guide and catalogue. A very useful tyre calculator when searching for tyres that are a different size then stock. The sidewall height is a percentage of the width of the tyre. A tire size converter at your convenience everyday anytime you want. We also recommend reviewing our Tire Tech section to understand how tires basically fit. Where you see a block of two or more compatible sizes, having the same bead diameter, you can assume that intermediate sizes exist that will also fit the same rim. 'Low profile' tires have as aspect ratio of less than 80. If replacing a FR70-14, you would look up the appropriate 70-series size, the 215/70R14. Compare tire conversions to alternate sizes or use the plus sizing tab to find tire size equivalents for different wheel sizes. Shop online at Canadian Tire and pick up at any of 500+ locations In that case the size would look like this 120/70-17Z. About us. Metric tire conversion can be quite a pain. We use cookies on this site to ensure the best service possible. Just type in a metric or standard size tyre and click calculate. Our tire size calculator is designed to visualize the data, while providing some extra information, such as the tire circumference and the quantity of revolutions per mile. You know what would be better? Divide this by 25.4 to get inch equivalent. Tire Sizes. What are Tire Size Calculator and Conversion Tools Benefits? Tire Size Calculator. This is comparison calculator to compare diameter, width, sidewall, circumference and revolutions per mile. Our tyre size converter helps identify alternative sizes by using restricting diameter sizes to the specified 1.5 or -2% rules mentioned earlier. Main menu. Profile * Please select your tyre profile. The comparison of tire sizes is the most common problem a customer must deal with when deciding what … Perform tire size conversion for any tire size, from the inch tire size to the metric tire size and the other way around with the tire size converter. There are many more possibilities and choices in metric tyres so the use of a tyre size calculator can come in handy. Tire Size Calculator. The chart below is for conversion of one type of size series with original inch sizes from the 60's and 70's. 32 Inch Tires. How to Read Tires Tire Tread Depth Tire Size Meaning FAQ. Tire Size and Comparison Calculator Calculate tire diameter from code and compare speedometer differences for tire sizes. The tool can be useful for finding out whether or not an alternative tire size is compatible with your vehicle. Tyre Calculator. This tire size converter will come in handy more than this one time. To compare tire sizes, first select your vehicle stock tire size. Width * Please select your tyre width. Below is is a tyre conversion chart that show different size options you could possibly change your tyre size to but ensuring you keep the Rolling Road Circumference similar. info@wheel-size.com. Just input either metric or inch measurements in the appropriate fields and click "convert" to instantly view tire conversions. This second number is that percent. Call us on 01482 505526. Skip to secondary content. By Vehicle By Size By Diameter By Brand By Type. You know what would be better? Tire size calculator compares diameter, width, circumference and speedometer differences for any two tire sizes. In a tire with an aspect ratio of 85, for example, height is about 85% of the tire width. How to Read Tires Tire Tread Depth Tire Size Meaning FAQ.