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Tire Size Comparison
Diameter, sidewall and speedometer difference. Use Tinkkit’s free tire size comparison directly in your browser.
Tip from Tink: Confirm vehicle clearance, load rating and manufacturer approval.
Diameter change
0.38%
Original diameter
631.9 mm
New diameter
634.3 mm
Actual speed
100.38 km/h
Ride height change
1.2 mm
Estimate only. Assumes original speedometer calibration. Check clearance, load/speed ratings and vehicle approval before fitting.
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How to use the Tire Size Comparison
- Enter your measurements or details.
- Adjust the assumptions for your situation.
- Read the result.
Everything runs in your browser. Nothing you enter is uploaded.