Search results
Tire Circumference Chart. Please use this chart for your reference. Tire size is shown on the side of a tire. Tire circumference may vary depending on tire pressure. ETRTO. Tire size.
Guide on how to read bicycle tire specifications and how to choose the right size to fit your rims. Convert between ISO/ETRTO, English, French standards
For a near approximation of wheel circumference, you can find tire size written/molded into the side of your tires. Find that tire size in the chart below and enter the corresponding value in meters. Please see Setting Up Wheel Circumference for detailed instructions and additional information.
Tire circumference reference table. You can find the tire circumference (L) of your tire size in the chart below, or actually measure the tire circumference (L) of your bicycle.
Which tire circumferences does BikeCalc support? Approximate tire circumferences can be calculated from ISO 5775 tire sizes with the help of the following table.
To use the below chart, simply locate the tire size using the first or second column, then enter the circumference (in mm) in the appropriate field in the bicycle computer's or mobile device software's settings.
26×1.5, 26×1½ , 700×25C – trying to work out what tyre sizes your cycle needs can be confusing. Richard Hallett, Cycle magazine technical editor, explains what all those numbers mean so you’ll always be able to find the right tyres. How do you know what size tyres will fit your bike?
