Tire sizes breakdown
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- Registered User
- Posts: 295
- Joined: Fri Aug 17, 2001 11:57 pm
- Location: Pittsburgh, PA
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Tire sizes breakdown
As i was looking for suspension parts I came across this, I knew nothing about tire sizes. This answered some of my questions, hope it will help others:
Reading Tire Sizes:
Example Size:
P205/60R-15OWL
P - Passenger
Tire sizes can also start with the following:
BP - Cosmetic Blemish Passenger
LT - Light Truck
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205 - Width in millimeters of tire's tread.
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60 - Aspect Ratio - Percentage of tread width that equals the sidewall height.
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R - Radial
The letter "R" can also include the following:
HR - H=Speed Rating
VR - V=Speed Rating
ZR - Z=Speed Rating
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15 - Rim diameter in inches.
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OWL - Outlined White Lettering
Other letter combinations include:
RWL - Raised White Letters
W - Whitewall
B - Blackwall
ORWL - Outlined Raised White Letters
WW - White Wall
BW - Black Wall
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Tires can also be listed as:
205/60R-15 93H
93H - 93 Load Index, H Speed Rating
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Light Truck (LT) sizes can
include a letter at the end of the size.
LT265/75R-16/C
C - Load Range
Reading Tire Sizes:
Example Size:
P205/60R-15OWL
P - Passenger
Tire sizes can also start with the following:
BP - Cosmetic Blemish Passenger
LT - Light Truck
--------------------------------------------------------------------------------
205 - Width in millimeters of tire's tread.
--------------------------------------------------------------------------------
60 - Aspect Ratio - Percentage of tread width that equals the sidewall height.
--------------------------------------------------------------------------------
R - Radial
The letter "R" can also include the following:
HR - H=Speed Rating
VR - V=Speed Rating
ZR - Z=Speed Rating
--------------------------------------------------------------------------------
15 - Rim diameter in inches.
--------------------------------------------------------------------------------
OWL - Outlined White Lettering
Other letter combinations include:
RWL - Raised White Letters
W - Whitewall
B - Blackwall
ORWL - Outlined Raised White Letters
WW - White Wall
BW - Black Wall
--------------------------------------------------------------------------------
Tires can also be listed as:
205/60R-15 93H
93H - 93 Load Index, H Speed Rating
--------------------------------------------------------------------------------
Light Truck (LT) sizes can
include a letter at the end of the size.
LT265/75R-16/C
C - Load Range
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- Registered User
- Posts: 141
- Joined: Sat Feb 23, 2002 12:59 pm
- Location: Elkhart, Iowa
- Contact:
Tire sizes breakdown
Here's a good link to easily figure the difference between tire sizes.
http://www.miata.net/garage/tirecalc.html
http://www.miata.net/garage/tirecalc.html
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