225/60R17 vs 225/65R17Tire Size Comparison

Use Caution

The 3.2% diameter difference exceeds 3% and may affect speedometer accuracy.

225/60R17702mm dia225/65R17724mm dia+11.3mm

Comparison Details

Overall Diameter701.8 vs 724.3 mm (+22.5 mm)
Diameter Difference+3.21%
Section Width225 vs 225 mm (0 mm)
Sidewall Height135.0 vs 146.3 mm (+11.3 mm)
Circumference2204.8 vs 2275.5 mm
Clearance Change+11.3 mm
Speedometer Error+3.21%
Revs/Mile730 vs 707

Speedometer Correction

When switching from 225/60R17 to 225/65R17, your speedometer will differ from actual speed.

SpeedometerActual SpeedDifference
30 km/h31.0 km/h+1.0 km/h
40 km/h41.3 km/h+1.3 km/h
50 km/h51.6 km/h+1.6 km/h
60 km/h61.9 km/h+1.9 km/h
70 km/h72.2 km/h+2.2 km/h
80 km/h82.6 km/h+2.6 km/h
90 km/h92.9 km/h+2.9 km/h
100 km/h103.2 km/h+3.2 km/h
110 km/h113.5 km/h+3.5 km/h
120 km/h123.8 km/h+3.8 km/h
130 km/h134.2 km/h+4.2 km/h

Vehicles Using These Sizes

Vehicles with 225/60R17

Vehicles with 225/65R17

Individual Tire Size Details

Practical Guidance

The 3.2% diameter difference between 225/60R17 and 225/65R17 exceeds the standard 3% tolerance. While physically possible, this change will cause noticeable speedometer error and may affect ABS and traction control calibration. Consult a tire professional before making this switch.

The 3% diameter tolerance is a widely accepted industry guideline referenced by the ETRTO and most vehicle manufacturers. When in doubt, consult your vehicle's owner's manual or a qualified tire professional. For U.S. tire safety standards and recalls, see the NHTSA Tire Safety page.

Frequently Asked Questions

Use Caution. The overall diameter differs by 3.21%, width changes by 0mm.

Speedometer error will be 3.21%. At an indicated 100 km/h, actual speed is about 103.2 km/h.

Ground clearance changes by +11.3mm per side.