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WHAT IS A METRIC- 33"
Moderators: toaddog, TWISTY, V8Patrol, Moderators
WHAT IS A METRIC- 33"
TALKING HEIGHT NOT WIDTH,IS IT A 285/75 X 16 OR A 305/70 X 16 ?,I WAS TOLD A 315/75 X 16 IS A 35"
There are a heap of online calculators that will convert this for you. If not tyre manufactures will mention the OD of each tyre they produce on their data sheets.
However to manually convert it, here is the maths:
For a 285/75R16
16" = 16 x 25.4 = 406.4mm
285 is the width of the tyre & the 75 is pecent of the tyre width that is the height of the side wall so
285mm x 0.75 (or 75%) = 213.75mm
therefore total tyre height = 213.75 + 406.4 + 213.75 = 833.9mm
for a 33" tyre:
33" = 33 x 25.4 = 838.2mm
therefore a 285/75R16 is in theory 5mm taller than a 33" but this will vary from manufacturer to manufacturer
Hope this helps.
However to manually convert it, here is the maths:
For a 285/75R16
16" = 16 x 25.4 = 406.4mm
285 is the width of the tyre & the 75 is pecent of the tyre width that is the height of the side wall so
285mm x 0.75 (or 75%) = 213.75mm
therefore total tyre height = 213.75 + 406.4 + 213.75 = 833.9mm
for a 33" tyre:
33" = 33 x 25.4 = 838.2mm
therefore a 285/75R16 is in theory 5mm taller than a 33" but this will vary from manufacturer to manufacturer
Hope this helps.
2005 GU3 Patrol ST Ute
Re: WHAT IS A METRIC- 33"
tuf355 wrote:TALKING HEIGHT NOT WIDTH,IS IT A 285/75 X 16 OR A 305/70 X 16 ?,I WAS TOLD A 315/75 X 16 IS A 35"
33's are roughly
255/85-16 (33.1)
285/75-16 (32.8)
305/70-16 (32.8)
285/70-17 etc
315/75-16 (34.8)
Just look up a tyre website and it'll give the nominal measurements and the dia in inches.
Cheers
Slunnie
Discovery TD5, Landy IIa V8 ute.
Slunnie
Discovery TD5, Landy IIa V8 ute.
heres a link that can help u
on the bottom u can see the Convert P-Metric tire to Tire Diameter inches
http://www.bncoffroad.com/ratio/
on the bottom u can see the Convert P-Metric tire to Tire Diameter inches
http://www.bncoffroad.com/ratio/
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