tire_repair
Tyre Size / Sidewall
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Tyre Specification
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category
Preset
Custom
Sport low-profile (225/45 R17)
Supercar wide (305/30 R20)
SUV / off-road (265/70 R16)
Daily hatch (185/65 R15)
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Section Width (mm)
aspect_ratio
Aspect Ratio (%)
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Rim Diameter (inches)
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Calculate
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Dimensions
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225 / 45 R17
Overall diameter · circumference · revs
—
mm
Sidewall Height
—
mm
Overall Diameter
—
Diameter (in)
—
Circumference
—
Revs / mile
H
sidewall
= Width × (AR ÷ 100)
Diameter = Rim + 2 × Sidewall
Live Wheel
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Proportional tyre + rim visualisation
Quick Guide
info
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Width
— Section width in mm (e.g. 225).
aspect_ratio
Aspect
— Sidewall height as % of width. Lower = sportier, stiffer.
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Rim
— Wheel diameter in inches. Must match the tyre marking.