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ETyreStore Tyre Calculator

Welcome to the ETyreStore Tyre Calculator

The only Tyre Calculator which can calculate both Metric and Imperial Tyre Sizing Methods.

This Calculator Shows Width, size differences, and circumference with vehicle weight factored in.

Current Tyre Size

 

New Tyre Size

Tyre Size Type
Metric
Imperial
Truck
Width (mm)   Profile (%)   Rim (Inch)
/ R
Overall Diameter*:
Rolling Circumference:
Tyre Width:
Sidewall Height:
*Tyres can differ by up to 5% depending on manufacturer, tread type and pre-fit storage.
Tyre Size Type
Metric
Imperial
Truck
Width (mm)   Profile (%)   Rim (Inch)
/ R
Overall Diameter*:
Rolling Circumference:
Tyre Width:
Sidewall Height:
*Tyres can differ by up to 5% depending on manufacturer, tread type and pre-fit storage.

Tyre Difference Calculations

Overall Diameter Difference:
Overall Diameter Percentage Difference:
Circumference Difference:
Circumference Percentage Difference:
Width Difference:
Width Percentage Difference:
Sidewall Height Difference:
Sidewall Percentage Difference:
Actual Speed at Indicated 100 Klms/H:
The Above Calculations can swing by up to 10% depending on manufacturer, tread type and pre-fit storage.

 

Visual Sidewall Profile

Tyre Size Comparison

Visual Tread Width

Tyre Width Comparison