Tire Size Conversion
275/60r20 to inches
Precise conversion of tire size 275/60r20: section width, sidewall height, overall diameter, circumference, and revolutions per mile. Includes exact mm ↔ inches results and quick guidance.
Section width
275 mm
10.83 inches
Sidewall height
165.0 mm
6.50" (60% of width)
Wheel (rim) diameter
20"
508.0 mm
Overall diameter
32.99"
838.0 mm
Circumference
103.65"
2632.7 mm
Revolutions per mile/km
611 revs/mile
380 revs/km
About 275/60r20 tire size
The size 275/60r20 indicates a section width of 275 mm (10.83 inches), an aspect ratio of 60% (sidewall height 165.0 mm or 6.50 inches), and a 20-inch wheel. Overall diameter calculates to 32.99 inches (838.0 mm), with circumference 103.65 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 275/60r20 with other popular tire sizes to find the perfect fit for your vehicle.