Goodyear has a large tire catalog complete with all-season tires, winter tires, sport performance tires, and more. Radial Size. The load index on a passenger-car tire is a numerical code stipulating the maximum load (mass, or weight) each tire can carry. The calculator will provide the Sidewall Height, Section Width, Overall Diameter, Circumference, and Revolutions Per Mile, as well as an approximation of the difference in speedometer reading. Tractor Tire Size Conversion & Tube Chart ... or in the case of the newest metric radial sizes are still in development and yet to be produced. P metric tire sizes: aspect ratio or profile Find your tire size within the chart below to see a selection that's right for you. Standard, Radial, and Metric Tractor Tire Sizes. The closest thing that we have is a 175/80-13 size tire which will have an overall diameter of 24.10 inches and a section width of 7 inches. Tires Comparison Chart Agricultural Tire Metric Conversion Motorcycle tire guide 101 and faq revzilla metric to imperial tire conversion tyre size tire sizes motorcycle chart motorcycle conversion chart standard. Metric Radial Size . However,… Tire Construction Differences. Vintage Tire Size Conversion Chart. Two versions of numeric tire sizes were used as Original Equipment on vehicles between 1949 and 1970. For Load Range "B" tires, ETRTO (ISO-Metric) standards specify the load index rating at an inflation pressure of 36 psi (250 kPa) (table below), while P-Metric standards measure the load capacity at an inflation pressure of 35 psi (240 kPa). A handy guide to compare modern and antique tire sizes. So a 285/75R16 metric tire would calculate to an inch measurement tire of 32.82X11.22R16. You should never go beyond 3% of the original tire, otherwise you run the risk of brake failure. …tire sizes created with the new load formula. Metric & P-Metric Sizes. Tire Height Calculator. Although technologically advanced, and reasonably successful, the tire's requirement for a non-standard rim ultimately condemned it to a relatively short commercial life. Closest. If there are no letters at the beginning, it refers to the Euro-metric (drafted by ETRTO). …and wheelwell dimensions) around either existing or new tire sizes.Metric or Euro-metric sized tires are the ones without the "P" at the beginning, (such as 185R14 or the 225/60R16 listed above). 35 is the tire diameter, or height, in inches. What do these terms alphabetical, metric and std inch mean? Enter any three of the numbers into this form to solve for the fourth. Most passenger car tires today are “metric” or “P-metric” (similar, with … These sizes are known as hard-metric or Euro-metric size tires. Supports tire sizes in metric and inches. with the new tires, your vehicle will actually be traveling at , which is than the original tires. My bike tires are currently in need of replacing and I read the numbers on it, … Find your tire size within the chart below to see a selection that's right for you. It looks like your 5.20-13 tire has an overall diameter of 23.10 inches and a section width of 6 inches. Tire Height in Inches 15 is the wheel size, in inches. Motorcycle Street Tire Size Conversion Chart Front Tires Rear Tires Metric Alpha Inch Metric Alpha Inch 80/90 MH90 2.50/2.75 110/90 MP85 4.50/4.75 Tire size calculator compares diameter, width, circumference and speedometer differences for any two tire sizes. 27" (ISO size 630) is an older size that was used for road bikes, but since so many bikes were built with this size, it is still readily available. Euro-metric sizes were developed over time based on load and dimensional… "LT" means Light Truck and "P" means Passenger tire. The sizes in the above chart do not go as large as modern sizes (180/55 or 240/40) because new bikes are not made to use the Inch Format.. Let’s break down the following tire size: 35x12.50R15 . Euro-metric sized tires do not have the P at the beginning of the size, 225/45-17 for example. Using metric dimensions to reflect a tire's width began in Europe in the late 60s. Tractor tire sizes can be written in many different ways, and can become very confusing to consumers. P metric tire sizes: nominal width. Enter Tire Size / R (Examples: 285/75R16 or 33x12.50R15) Convert. Size Prior to 1955. They are explained in a section below. Metric to Standard Tire Conversion Chart for 15 inch Wheels; Metric Standard; 215/75/15: 27.7"x 8.5" 225/70/15: 27.4"x 8.9" 225/75/15: 28.3"x 8.9" 235/75/15: 29.0"x 9.3" 245/75/15: 29.5"x 9.6" 255/75/15: 30.0"x 10.0" 265/75/15: 30.6"x 10.4" 26" (ISO size 559) is the most commonly used size for modern mountain bikes and is also used by many hybrid bikes. Passenger tires that are designed based on the European Tyre and Rim Technical Organization’s (ETRTO) standard start without any letters. Vintage Tire Size Conversion Chart Use the following chart to figure out the closest modern tire size to your car's original tires. Tire Size Conversion Chart. The Metric Tire Conversion Calculator converts metric tire sizes (ie 285/75R16) to standard tire sizes (ie 31x10.50R15) and standard tires back to metric. Calculate the overall diameter of metric and inch tire sizes and view the results with our tire visualizer. This chart has been developed to help you determine their equivalent Euro-metric and P-metric tire sizes. Euro-metric sizes are dimensionally equivalent to P-metric sizes, but typically differ subtly in load-carrying capabilities. Joseph 20. Use the following chart to figure out the closest modern tire size to your car's original tires. Using metric dimensions to reflect a tire's width actually began in Europe in the late 60s. April 2018 at 19:09. Find all 33 inch diameter tires for every wheel size, including the metric and inch equivalent tire sizes available for each tire. Compare the tire calculations with alternate tire sizes to find the right tire. Diameter Variance: The overall diameter variance of the new tire is , which is different than the original. The first number, in the illustration “185,” is the nominal width of the tire in millimeters, from sidewall to sidewall, when it is properly mounted on a wheel and inflated but not supporting a car. For example P, LT, T, and ST. P. When we use tire type “P” or P-Metric, it means that the tire is made according to certain standards of the United States (drafted by TRA) for passenger vehicles. Tire Size Chart - Metric - by Overall Tire Diameter displays the metric tire size designations with belonging tire measures, in metric and English units: OD - Overall Tire Diameter, SW - Section width, AR - Aspect Ratio, RD - Rim diameter, SH - Section height, CI - Tire circumference, RE - Revolutions per mile/km.. Tire sizes will often start with letters. For example a LT265/75R16 would be around 31.6 inches tall and 10 inches wide. Tire Size Conversion Chart - Inches to Metric - by Wheel/Rim Diameter displays the inch tire size designations and for each inch tire designation shows the equivalent - exact calculated metric tire size.. This formula is a quick way to get the tire diameter of those metric tires that are common on just about everything stock. It is one of the first volume-produced low-profile tires. The Michelin TRX, (and the related TDX), is a radial tire introduced by the Michelin Group in 1975. 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