Tire Size Conversion
215/55r17 to inches
Precise conversion of tire size 215/55r17: section width, sidewall height, overall diameter, circumference, and revolutions per mile. Includes exact mm ↔ inches results and quick guidance.
Section width
215 mm
8.46 inches
Sidewall height
118.3 mm
4.66" (55% of width)
Wheel (rim) diameter
17"
431.8 mm
Overall diameter
26.31"
668.3 mm
Circumference
82.66"
2099.5 mm
Revolutions per mile/km
767 revs/mile
476 revs/km
About 215/55r17 tire size
The size 215/55r17 indicates a section width of 215 mm (8.46 inches), an aspect ratio of 55% (sidewall height 118.3 mm or 4.66 inches), and a 17-inch wheel. Overall diameter calculates to 26.31 inches (668.3 mm), with circumference 82.66 inches.
Use these measurements to estimate speedometer error and clearance changes when switching sizes. For multi-size comparison and speed error calculation, try our dedicated tire size calculator.
Common tire sizes
Compare 215/55r17 with other popular tire sizes to find the perfect fit for your vehicle.