¡í Use Following for Measuring Roof Degree

¡í How To Measure Roof Length From the Ground?

Roof Degree Roof Length
20o Ground Length X 1.1
30o Ground Length X 1.2
35o Ground Length X 1.3
45o Ground Length X 1.5
52o Ground Length X 1.7
54o Ground Length X 1.8
56o Ground Length X 1.9
58o Ground Length X 2.0
60o Ground Length X 2.1
62o Ground Length X 2.2
64o Ground Length X 2.3
66o Ground Length X 2.4
68o Ground Length X 2.5
69o Ground Length X 2.6
¡í How To Measure Square Footage?
Step 1) Measure 'Ground Length' shown above.
Step 2) Choose 'Roof Degree' shown above
Step 3) Calculate 'Roof Length' according to the table shown above.
Step 4) Measure 'Side Length' shown above
Step 5) Multiply 'Roof Length(step 3)' by 'Side Length(step 4)'
Example: Roof Degree: 30o   Ground Length: 20ft   Side Length: 30ft
For 30o Roof, the Roof Length is 24ft(Ground Length 20ft X 1.2)
Multiply 24ft(Roof Length) by 30ft(Side Length), which is 720sqft.
GENERAL INSTRUCTION
* From the ground, facing the end of the house; measure the width
* Choose approximate slope of your roof comparing it to the pictures
* Find your slope below and multifply the width times the factor for your slope. 

SAMPLE 1
(1) Measure Width A
(2) Choose the slope of your roof
(3) Multiply (1) with the factor 
      to find the roof length
(4) Measure Length B
(5) Multiply (3) by (4) 

SAMPLE 2
(1) Measure the Width A
(2) Choose the slope of your roof
(3) Multiply the (1) with the factor 
      to find the roof length
(4) Measure the Length B
(5) Multiply (3) by (4) 

(6) Measure the Width D
(7) Measure the slope of your roof
(8) Multiply the (6) with the factor 
      to find the roof length
(9) Measure the Length C
(10) Multiply (8) by (9) 

(11) Add 5) to 10) to find the total Sq. Footage 
SAMPLE 3
(1) Measure the Width A
(2) Choose the slope of your roof
(3) Multiply (1) with the factor 
      to find the roof length
(4) Measure the Length B
(5) Multiply (3) by (4) 
SAMPLE 4
(1) Measure the Width A
(2) Add 6ft to (1) for wall
(3) Measure the Length B
(4) Add 6ft to (3) for wall
(5) Multiply (2) by (4)
SAMPLE 5
(1) Measure Width A
(2) Measure Length B
(3) Measure Width C
(4) Measure Length D
(5) Multiply (1) by (2) 
(6) Multiply (3) by (4) 
(7) Subtract (6) from (5)

SAMPLE 6
(1) Measure Width A
(2) Choose the slope of your roof
(3) Multiply (1) A with the factor 
      to find the roof length
(4) Measure the Length C
(5) Multiply (3) by (4) 

(6) Measure Width B
(7) Multiply (6) with the factor 
      to find the roof length
(8) Multiply (7) by (4)

(9) Add (5) to (8) to find the total Sq. Footage 
SAMPLE 7
(1) Measure Width A
(2) Measure Length B
(3) Measure Width C
(4) Measure Length D
(5) Multiply (1) by (2) 
(6) Multiply (3) by (4) 
(7) Subtract (6) from (5)
SAMPLE 8
(1) Measure the Width A
(2) Choose the slope of your roof
(3) Multiply (1) with the factor 
      to find the roof length
(4) Measure the Length B
(5) Multiply (3) by (4) 

(6) Measure the Width C
(7) Choose the slope of your roof
(8) Multiply the (6) with the factor 
      to find the roof length
(9) Measure the Length D
(10) Multiply (8) by (9) 

(11) Add (5) to (10) to find the total Sq. Footage 
¡í Names of Roof