Tire Size Conversion
235/75r15 to inches
Precise conversion of tire size 235/75r15: section width, sidewall height, overall diameter, circumference, and revolutions per mile. Includes exact mm ↔ inches results and quick guidance.
Section width
235 mm
9.25 inches
Sidewall height
176.3 mm
6.94" (75% of width)
Wheel (rim) diameter
15"
381.0 mm
Overall diameter
28.88"
733.5 mm
Circumference
90.72"
2304.4 mm
Revolutions per mile/km
698 revs/mile
434 revs/km
About 235/75r15 tire size
The size 235/75r15 indicates a section width of 235 mm (9.25 inches), an aspect ratio of 75% (sidewall height 176.3 mm or 6.94 inches), and a 15-inch wheel. Overall diameter calculates to 28.88 inches (733.5 mm), with circumference 90.72 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 235/75r15 with other popular tire sizes to find the perfect fit for your vehicle.