Steps Involved in Building a HouseSpike's Calculators

Convert a Roof Pitch to an Angle

Roof Pitch to an Angle

Convert a pitch of a roof, given as a slope ratio of inches per foot, to an angle in degrees.

How To Convert Roof Pitch in Degrees

You will need a scientific calculator to be able to complete this calculation.
Example calculation
6 : 12 slope ratio
formula used: atan(P/12)* 180/𝛑 where P = rise in inches
𝛑 = 3.14159
* 180/𝛑 = converting radians to degrees
6 ÷ 12 = 0.5
atan(0.5) * 180 ÷ 3.14159
0.463647609 * 180 ÷ 3.14159 = 26.56505°
A 4 : 12 pitch = 26.57°

Roof Pitch to Angle

Slope Ratio : 12
Decimal Precision #

Results:

Roof Angle °

Calculation

  1. enter the rise in inches per foot
  2. number of decimals in result

Results

  1. slope in degrees


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