Math Formulas Flashcards by Jace Oliver

Q

Square Feet

A

L x W

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Q

of Brick

A

SF x 7

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Q

of Block

A

SF x 1.125

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Q

Square Yards

A

(L x W) \ 9

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Q

Cubic Yards

A

(L x W x H) \ 27

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Q

Rebar Quantity

A

(Form - Cover) \ (On Center Spacing +1)

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Q

Quantity of Studs

A

Length \ (On Center Spacing +1)

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Q

Linear Feet

A

End to End Measurement

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Q

Door Rough Opening

A

Door Size + 2-1/2”

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Q

Header

A

Door size + 5-1/2”

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Q

Run

A

Half of the Span

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Q

Gable Height

A

Rise x Run \ 12

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Q

Common Rafter

A

(Run + O.H.) x Factor

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Q

Roof Area

A

(L + O.H.) x (W + O.H.) x Factor

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