TYRE SIZE CALCULATOR from
www.tyresave.co.uk
Note:- This calculator has had a modification to the code to accommodate sizes not originally catered for, no responsibility on the accuracy can be attributed to Tyresave who kindly provided the original page.
Do Visit
www.tyresave.co.uk
for your wheel requirements they provided me with a great deal on my alloys and great service.
Select the dimensions of your tyres to determine the overall diameter
Correct matching of overall diameter when changing wheel and tyre sizes
is necessary to ensure ride height and gearing remain the same
Tread Width
Profile Height
Wheel Diameter
Overall Tyre Diameter
295
285
275
265
255
245
235
225
215
205
195
185
175
165
155
145
135
mm
80
75
70
65
60
55
50
45
40
35
30
%
20
19
18
17
16
15
14
13
12
10
inches
inches
mm
(NOTE: it is quite possible to select impossible tyre sizes or sizes that are not made!)
Use the TAB key to move between the fields then use the ARROW keys to select the values.
(SHIFT+TAB reverses direction of selection)
Tread Width
Profile Height
Wheel Diameter
Overall Tyre Diameter
295
285
275
265
255
245
235
225
215
205
195
185
175
165
155
145
135
mm
80
75
70
65
60
55
50
45
40
35
30
%
20
19
18
17
16
15
14
13
12
10
inches
inches
mm
(NOTE: it is quite possible to select impossible tyre sizes or sizes that are not made!)