# What are Multipliers?

The Configure Multipliers table allows you to save a ton of time with math and guess work.  We have used trigonometry to generate the required multipliers to figure the roof pitch area by simply finding the roof deck area.

For Example:  A roof that has a pitch of 1/12, or for every one foot vertical roof distance (rise) there is 12 feet of horizontal roof distance (run).

a=1   b=12  c=?

12+122=c2

145=c2

C=12.041594578

We are not necessarily looking to know what C is in this case.  We want to know how it relates to b in our example because b represents the roof deck and c is the roof pitch area.

Therefore:  c/b = ratio or multiplier

12.041594578/12 = 1.00347   which is our multiplier

Roof Multiplier: Multiply the Roof Deck by the Multiplier to get the area of the pitched roof.

 Label Multiplier 1/12 1.00347 2/12 1.01379 3/12 1.03078 4/12 1.05409 5/12 1.08333 6/12 1.11803 7/12 1.1577 8/12 1.20185 9/12 1.25 10/12 1.30171 11/12 1.35657 12/12 1.41421 13/12 1.47432 14/12 1.53659 15/12 1.60078 16/12 1.66667 17/12 1.73405 18/12 1.80278

The multipliers are maintained in the settings dropdown under Configure Multipliers. For more information on how to configure your multipliers, use the following link: Configure Multipliers

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