Tire Size Conversion
205/55r16 to inches
Precise conversion of tire size 205/55r16: section width, sidewall height, overall diameter, circumference, and revolutions per mile. Includes exact mm ↔ inches results and quick guidance.
Section width
205 mm
8.07 inches
Sidewall height
112.8 mm
4.44" (55% of width)
Wheel (rim) diameter
16"
406.4 mm
Overall diameter
24.88"
631.9 mm
Circumference
78.16"
1985.2 mm
Revolutions per mile/km
811 revs/mile
504 revs/km
About 205/55r16 tire size
The size 205/55r16 indicates a section width of 205 mm (8.07 inches), an aspect ratio of 55% (sidewall height 112.8 mm or 4.44 inches), and a 16-inch wheel. Overall diameter calculates to 24.88 inches (631.9 mm), with circumference 78.16 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 205/55r16 with other popular tire sizes to find the perfect fit for your vehicle.