Tyre Calculator - Alloy Wheels - Specialist supplier of alloy wheels and tyres packages, Fast Delivery, Buy Online

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Tyre Size Calculator (try to keep the radius within 2.5%).

Tyre Size to Compare	Diameter	Circumference
Current mm %	mm	mm
New mm %	mm	mm
Difference %	mm	mm
Speedo reads 70mph your actual speed will be mph

Rim Width Calculator (Shows the rim width for any given tyre size).

mm % = * to *

Another Tyre Size Calculator, more complex, works out the tyre size for you.

Current tyre size:		Show replacement tyre sizes that are:
Width:	mm	Width:	from	to mm
Profile:	%	Profile:	from	to %
Rim :	inch	Rim:	from	to inch
Code:		Difference should be % or less.

Possible tyre sizes:

Note, tyre sizes that are not made can be generated.