Tire  Information
 Shopping for Mud Tires
  
 
 
All Terrain AT Reviews
Mud Terrain MT Reviews
Super Swamper Bogger
Super Swamper SSR
Super Swamper SX
Super Swamper Vortrac
Interco IROK TSL
Super Swamper LTB
Super Swamper TSL
Super Swamper TSL Radial
Super Swamper Narrow
Interco SS-M16 Swamper
BFGoodrich Krawler
BFGoodrich MT T/A KM
BFGoodrich MT T/A KM2
BFGoodrich AT TA KO
BFGoodrich Mud King XT
Bridgestone Dueler MT
Cooper Discoverer ST
Cooper Discoverer STT
Cooper Discoverer ST/C
Dayton Timberline MT
Dayton Timberline AT
Dick Cepek Crusher
Dick Cepek F-C II
Dick Cepek Fun Country II
Dick Cepek Fun Country Nylon
Dick Cepek Fun Country Kevlar
Dick Cepek Mud Country
Dunlop Mud Rover
Federal Couragia MT
Firestone Destination AT
Firestone Destination MT
General Grabber MT
General Grabber AT2
Greenball Kanati Mud Hog
Green Diamond Icelander
Ground Hawg Mud Tire
Goodyear Fierce Attitude MT
Goodyear Wrangler MT/R
Goodyear Wrangler Kevlar MT/R   MTR Info
Hankook Dynapro MT
Hankook Dynamic MT RT01
Hercules Terra Trac MT
Hercules Trail Digger MT
Kelly-Springfield Safari DTR
Kelly-Springfield Safari MSR
Kumho Road Venture MT
Kumho Road Venture KL71
Kumho Road Venture AT
Mastercraft Courser MT
Mastercraft Courser HTR
Mastercraft Courser HTR Plus
Maxxis Creepy Crawler
Maxxis Trepador
Maxxis BigHorn Radial
Maxxis Buckshot Mudder
Maxxis MA-SW
Maxxis M-8080 Mudzilla
Maxxis MT-754 Buckshot
Maxxis MT-753 Bravo
Maxxis MA-751 Bravo
Maxxis MA-S2 Marauder II
Maxxis MA-S1 Marauder
Maxxis MT-762 BigHorn
Michelin LTX A/T?
Michelin LTX AT2 Press
Michelin LTX AT2
Mickey Thompson Baja Claw Radial
Mickey Thompson Baja Claw Bias
Mickey Thompson Baja Crusher
Competition Claw
Mickey Thompson Baja ATZ Radial SLT
Mickey Thompson MTZ
Mickey Thompson MTX
Nitto Mud Grappler
Nitto Trail Grappler MT
Nitto Terra Grappler
Nitto Dura Grappler
Nitto Dune Grappler
Nokian Vatiiva MT
Parnelli Jone Dirt Grip
Pit Bull Rocker Extreme
Pit Bull Maddog
Pit Bull Growler
Pit Bull Rocker Extreme
Pro Comp Xterrain
Pro Comp All Terrain
Pro Comp Mud Terrain
Pro Comp Xtreme AT
Pro Comp Xtreme MT
Thornbird TSl Radial
Thornbird TSl Bias
Thornbird TSL
Toyo Open Country AT
Toyo Open Country MT
TrXus Mud Terrain
TrXus STS All Terrain
Yokohama Geolandar
Federal Couragia M/T
Nitto Dura Grappler
 
Choosing the Right Mud Tire - A No Nonsense breakdown
 

Tire Size ? Fender Clear?
 

Most Popular Mud Tires
 

Most Popular All Terrain Tires
 
AT Tire Reviews
 

Least Popular Tires
 

ATV Tire Reviews
 

Tire Terminology
 

Wheel Terminology
 

P-Metric Tire Sizes Conversion to Inches
 

How to Pick the Right
Tires for your Truck

 

Tire Fitment - What Hits What Fits
 

Making a Tire


Ramp Travel Index
RTI / Ramp Travel Index  What it is and how to calculate it, with and without the ramp.


Goodyear Fierce Attitude Mud MT Press Release

 
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  Project CJ-7

  
Offroaders Guide
to Gearing up
for Offroad

Jeep Wrangler JK Rubicon Review

  


Trailering Safety and Trailer Hitch Information

   

Jeep Project CJ-7

An ongoing Budgeted Rebuild/Build up of a Rock Crawling Machine.



Off-Road Truck Driving Techniques and Safety

 

 

Warn X8000i
Winch Installation

 

Jeep Diesel Conversions

Staun Tire Deflators

Staun Internal BeadLock

Klune-V 4-to-1 Under-Drives Now Available With Ford 31-spline Input

Adjusting SWR using the Para Dynamics SWR Meter

Mud Tires

Offroad Checklist Directory

Need a Garage Plan?

Typical 4WD Steering Configurations

The 25 Dollar Sunroof


One Sweet Willys


Black Diamond Suspension Lift install for CJ-7

  

The MAME
Arcade Game

Make Your own Classic Arcade Game Cheap! How To

Desktop Wallpapers
Nature Wallpapers  Offroad Wallpapers

 

Department of
cheap Tricks
& Useful Tips
   
 
Offroaders.com Guide to P-Metric Tire Terminology

P-Metric Tire Sizes Conversion to Inches
 

How to Read a Tire

Tire Fitment - What Hits What Fits

Tire Terminology
Wheel Terminology

Read Tire Reviews
Post Your Own Review of Offroad Tires

 

Rim Size P-Metric Size Actual Tire Width Actual Tire Height
15 Inch 205/70R15 8.7 inches 26.2 inches
215/75R15 8.45 inches 27.6 inches
235/75R15 9.25 inches 28.8 inches
265/70R15 10.4 inches 29.6 inches
16 Inch 245/75R16 9.65 inches 30.4 inches
245/75R16 11.2 inches 32.8 inches
285/75R16 12.4 inches 34.6 inches
315/75R16 15.5 inches 37.7 inches
17 Inch 235/65R17 9.25 inches 29.5 inches
265/70R17 10.4 inches 31.6 inches
255/75R17 10.4 inches 32.0 inches
285/75R17 11.2 inches 32.7 inches
315/70R17 12.4 inches 34.3 inches

If your size is not listed and you need an easy way to figure it out, use this calculator to Convert P-Metric Tire to Inches

 

 Reading a Tire:

All tires are required to have certain information molded into the side of the tire in a location known as the sidewall.  Some of the information is self explanatory while other information requires a little knowledge to decipher.  The following will help you understand what this information means.

Tire Type - This Defines the intended proper use of the tire. P indicates this is a passenger car tire while LT indicates the tire would be for a light truck with a heavier load rating.

Tire Width - This is the width of the tire measured in millimeters from sidewall to sidewall.  An example might be 215 representing 215 millimeters.

Aspect Ratio - This is the the ratio of the height of the tire's cross-section to its width. An example of this might be 65, which means that the height is equal to 65% of the tire's width.  To calculate the aspect ratio, multiple the first number (e.g. 215) by the second number with a decimal before the number (e.g. .65).  Using the example numbers the tires aspect ratio would calculate as 215x.65=139.75 where 139.75 is the tires height in millimeters.  This is the height of the rubber from rim to tread on one side of the tire. 

To convert the aspect ratio to a full tire height in inches, do this:
Convert the above calculated tire height (aspect ratio) in millimeters to inches by multiplying the millimeters by .03937 (139.75 x .03937 = 5.5 inches).  Then take the inches and multiply by two and add the rim size. Example: 5.5 x 2 + 15 (rim size in inches) = a 26 inch tall tire.

Construction - This indicates how the how the tire was put together and will say much about the tires handling characteristics. R indicates the tire is a radial type tire.  For more information about what a radial is, click hereB indicates the tire is a bias ply type tire.  For more information about bias ply type tires, click here.

Wheel Diameter - This is the width of the opening in the tire where it would be mounted to a wheel.  This is measured from one bead across the opening to the other side of the same bead.  This measurement is in inches and an example would be 15 and indicates that this tire is for a 15 inch rim, or wheel.

Load Index - This is a number corresponds to the maximum load in pounds that a tire can support when properly inflated. You will also find the maximum load in pounds and in kilograms molded elsewhere on the tire sidewall.

Speed Rating - This is a number that corresponds to the maximum service speed for a tire.  See Chart for ratings.  Note: Speed ratings are specific for passenger car tires and not light truck tires.  Light truck tires (LT) are not speed rated. 

Rating

Maximum Speed
Q 99 mph
S 112 mph
T 118 mph
U 124 mph
H 130 mph
V 149 mph
W 168 mph
Y 186 mph
Z Above 149 mph

Calculating Tire Aspect Ratio

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Mud Tire Reviews
  
 
  
Product Reviews
Tire Size Clearances

Mud Tire Review Index

 
Deciphering the Age of a Tire
 

Tire to Fender Clearances
  

ATV Tire Index

Carlisle 489 Titan
Dunlop Quadmax
Dunlop Quadmax Sport
Quadmax Sport Development
Highlifter Outlaw
ITP Holeshot
ITP Holeshot MX
ITP Holeshot ATR
ITP Holeshot XC
ITP Holeshot XCR
ITP Holeshot MXR
ITP Holeshot XCT
ITP Mud Lite
ITP Mud Lite XTR
ITP Sandstar
Kenda K538 Executioner
Tubeless Bearclaw K299
Kenda Klaw K532
Kenda Klaw K533
Kenda K534 Sand Gecko
Maxxis M961/M962 Mud Bug
Maxxis Rooster Paddle Tire
Maxxis M917/M918 Bighorn
Maxxis M966 Mudzilla
Super Swamper TSL ATV
Super Swamper TSL Vampire
Super Swamper Vampire EDL
Swamp Lite ATV Tires
 
ATV Tire FAQs
ATV Tire Mounting
ATV / Quad Links
 
Quad Tire Reviews Index

Jeep Project CJ-7

An ongoing Budgeted Rebuild/Build up of a Rock Crawling Machine.



Off-Road Lights
by LightForce Product Review / Installation.
from Off-Road Lights


ARB Air Locker Install
Jeep Wide Track Axles Swap

  

Do it Yourself
Detriot EZ Locker Install  in a 92 Toyota 8" rear


For all the Jeep
Fans out there!


Airing Down with the
Staun Tire Deflators

 

From the
Department of Cheap   Tricks and Useful Tips

  
Ultra-Cool Hand Throttle for Free!

Jeep V8 Swap Tips

The Exploding Clutch

Radiator Protection using 6 bucks worth of material

Cracked Under Pressure - Fixing a smashed fingernail

A Cheap, effective alternative to undercoating

Home-built Saginaw Gearbox Brace for the cost of lunch!

Ammo Box Storage - Mounting Them for Quick Disconnect

Home-built Serious Skid-Plate protection for the Oil Pan for under 20 bucks!

  

JEEP CJ
AXLE SWAP

Jeep CJ Axle Swap using
Scout II Dana 44 Axles

 


Jeep Dana 300 TeraLow - 4:1 Gearset for the Dana 300 Transfer Case

 

Building a Garage?
Need a Garage Plan?
Need a House Plan?

 

Geocaching - the Sport of modern Day Treasure Hunts with GPS!

25 Top To Do Tips Before Going Offroad

Common Offroad Driving Techniques

Recovery Straps Usage

Lincoln Locker & Fozzy Lockers


Knoebels Amusement Park

 
 


Reader's Rigs and Seriously Stucks!

 

Jeep Trans Swap Info
T-18A Transmission Rebuild & Short Shaft Conversion
  


JK Rubicon Review
Offroad and On Road Testing

Using Mud Tires

BATTERY TECH


Onboard Air
Converting a York
AC Compressor
to Pump Air

BFGoodrich? Tires Gears Up for SCORE Baja 500