Inches from any size
Overall diameter, section width, sidewall height, circumference, and revolutions per mile for the size you enter.
Tire size converter
Enter a metric or flotation size to see it in inches, plus the equivalent size in the other format.
In short
Converts a single tire size to inches: diameter, section width, sidewall, circumference, and revolutions per mile.
What it does
Overall diameter, section width, sidewall height, circumference, and revolutions per mile for the size you enter.
Shows the equivalent in the other format, so 285/70R17 and 33x12.50R17 can be compared directly.
Clarifies that a flotation size leads with diameter while a metric size leads with section width in millimeters.