# tire calculator

Document Sample

```					                                 New Tire vs. Old Tire
Width           Aspect Ratio     Rim Size        Diameter (in)
Old Tire Size                       235                0.85       16           31.72834646
New Tire Size                       315                0.75       16            34.6023622
Difference                           80                 0.1        0           2.874015748

(New Tire Diameter   /Old Tire Diameter)   x Speed            =       Actual Speed (mph)
34.6023622           31.72834646            55             =               59.98200769

Circumference of Tire
Diameter (in)       Radius (in)        =          Circumference (in)
Old Tire                    31.72834646      15.86417323       =                99.67754014
New Tire                     34.6023622       17.3011811       =                108.7065269

Revolutions per Mile
Circumference (in)  inches in a mile     =              Rev/Mile
Old Tire                    99.67754014              63360     =                635.6497152
New Tire                    108.7065269              63360     =                 582.853687

Percent difference
Rev/Mile                           Difference
Old Tire                    635.6497152
New Tire                     582.853687                        8.31%

MPG Calculator
Miles per tank         Gallons                =                  Actual MPG
150                 10                   =                 16.24587553
In the box to the left enter in the
values for you old and new tire size.
Don't forget for the aspect ratio to include the decimal.

Enter in a speed to the left and it will tell you what you actual
speed really is.

Brought to you by JarominSynthetics.com

In the box to the left enter in how many miles you put on for
this fill up and then how many gallons it took. You will then get you
actual MPG.
New Tire vs. Old Tire
Width           Aspect Ratio       Rim Size         Diameter (in.)
Old Tire Size                 -                    -                  16                   31.728
New Tire Size                          315            0.75            16             34.6023622
Difference             2.874362205

(New Tire Diameter   /Old Tire Diameter)  x Speed                =        Actual Speed (mph)
34.6023622              31.728             55                 =                 59.98266267

Circumference of Tire
Diameter (in.)    Radius (in.)            =           Circumference (in.)
Old Tire                           31.728       15.864            =                  99.67645171
New Tire                     34.6023622 17.3011811                =                  108.7065269

Revolutions per Mile
Circumference (in.)    In/mile              =               Rev/Mile
Old Tire                     99.67645171          63360           =                 635.6566562
New Tire                     108.7065269          63360           =                  582.853687

Percent difference
Rev/Mile                               Difference
Old Tire                    635.6566562
New Tire                     582.853687                               8.31%

MPG Calculator
Miles per tank         Gallons               =                        Actual MPG
150                 10                  =                       16.24602571
In the box to the left enter in the
values for you old and new tire size.
Don't forget for the aspect ratio to include the decimal.

Enter in a speed to the left and it will tell you what you actual
speed really is.

Brought to you by JarominSynthetics.com

In the box to the left enter in how many miles you put on for
this fill up and then how many gallons it took. You will then get you
actual MPG.
New Tire vs. Old Tire
Width         Aspect Ratio       Rim Size         Diameter (in.)
Old Tire Size                        235            0.85            16            31.72834646
New Tire Size                 -                  -                  16                   34.602
Difference             2.873653543

(New Tire Diameter   /Old Tire Diameter)  x Speed              =        Actual Speed (mph)
34.602             31.72834646           55               =                 59.98137982

Circumference of Tire
Diameter (in.)    Radius (in.)          =           Circumference (in.)
Old Tire                    31.72834646 15.86417323             =                  99.67754014
New Tire                           34.602       17.301          =                   108.705389

Revolutions per Mile
Circumference (in.)    In/mile            =               Rev/Mile
Old Tire                     99.67754014          63360         =                 635.6497152
New Tire                      108.705389          63360         =                 582.8597881

Percent difference
Rev/Mile                             Difference
Old Tire                    635.6497152
New Tire                    582.8597881                             8.30%

MPG Calculator
Miles per tank         Gallons               =                      Actual MPG
150                 10                  =                     16.24573155
In the box to the left enter in the
values for you old and new tire size.
Don't forget for the aspect ratio to include the decimal.

Enter in a speed to the left and it will tell you what you actual
speed really is.

Brought to you by JarominSynthetics.com

In the box to the left enter in how many miles you put on for
this fill up and then how many gallons it took. You will then get you
actual MPG.
New Tire vs. Old Tire
Rim Size             Diameter (in)                                  In the box to the left ente
Old Tire Size                                 16          31.728                                 values for you old and new
New Tire Size                                 16          34.602
Difference                     2.874

(New Tire Diameter      /Old Tire Diameter)    x Speed               =       Actual Speed (mph)
34.602                   31.728               55                =                 59.9820348

Circumference of Tire
Diameter (in.)      Radius (in.)          =        Circumference (in.)
Old Tire                               31.728           15.864        =               99.67645171
New Tire                               34.602           17.301        =                108.705389

Revolutions per Mile
Circumference (in.)  Inches in a mile        =             Rev/Mile
Old Tire                        99.67645171              63360        =               635.6566562
New Tire                         108.705389              63360        =               582.8597881

Percent difference
Rev/Mile                              Difference
Old Tire                        635.6566562
New Tire                        582.8597881                           8.31%

MPG Calculator
Miles per tank             Gallons                =                     Actual MPG
150                     10                   =                    16.24588174
In the box to the left enter in the
values for you old and new tire size.

Enter in a speed to the left and it will tell you what you actual
speed really is.

Brought to you by JarominSynthetics.com

In the box to the left enter in how many miles you put on for
this fill up and then how many gallons it took. You will then get you
actual MPG.

```
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 views: 8 posted: 11/26/2011 language: English pages: 8
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