Login   

Tyre Size Differential Calculator


TYRE SIZE CALCULATOR


Scroll down then select dimensions of tyres to determine the overall diameter
Matching overall diameters if changing wheel & tyre sizes is necessary to ensure ride height & gearing don't change
Old »
Tyre »
Size »		 Tread
Width		 Profile
Height		 Wheel
Diameter		 Overall
Tyre Diameter
mm % inches inches
 mm
It is quite easy to select impossible tyre sizes or sizes that are not made so be careful!
New »
Tyre »
Size »		 mm % inches inches

 mm
The recommendation of ±2.0% should be the MAXIMUM difference in diameters
Difference in Diameter: percentage = %
actual = mm
Use the TAB key to move between the fields then the ARROW keys to select the values
(SHIFT+TAB reverses direction of selection) or the MOUSE selects from the Drop Down Boxes
Random FAQ

Unlock a C6 auto gearbox stuck in 'Park'

Top 3 Most Popular Questions

Is my Citroen C6 sub ... (33249)
Add iPod or USB Memo ... (27446)
Find out the Paint c ... (26564)

Latest Forum Posts

Posted by C6Dave
rwb wrote ...Pulled as hard as I dare but it's not[more ...]
06 September 2024

Posted by rwb
Pulled as hard as I dare but it's not for shifting[more ...]
06 September 2024

Posted by mkw
C6Dave wrote ...It may be bonded so make sure it's[more ...]
04 September 2024

Posted by tich731
When I opened mine there appeared to be 2 fixings [more ...]
03 September 2024

Posted by mkw
Hello, may I know how did you manage to open the f[more ...]
03 September 2024