Easily calculate the pitch, slope, angle and rafter length of a roof using this roof pitch calculator. A useful and handy tool for construction workers and home owners.
Roof pitch is defined as the ratio of the rise to the horizontal span (run) of the roof. It is also represented in terms of an inclination angle.
It’s necessary to recognize the pitch and slope of your new roof. This will assist you in determining how much excess snow/ water, or debris falls off the roof, as well as the type of shingles or roofing materials you want.
When planning an expansion, installing skylights, or cutting new rake boards, knowing the pitch of your roof is helpful.
Roof Pitch Calculator Use :
Steps to use this calculator are mentioned below:
- This online calculator is very user-friendly.
- To begin, determine the length of your roof’s run. This is the distance between the apex of your roof and the wall in the horizontal plane. You can use a tape measure or a spirit level to do this.
- The next step is to measure the rise. This is the distance between your apex and the structure’s wall.
- Enter the details in the above calculator and the results will be displayed.
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How to Calculate Roof Pitch Manually?
You can calculate the pitch by yourself if you don’t want to rely on this roof pitch calculator.
The formulas for calculating the pitch of your roof are very simple. You can even calculate the grade slope, angle, and the rafter’s length just by the rise and run of your roof. The formulas to calculate the same have been mentioned below with examples.
For all the examples we will consider the rise= 5 ft and run= 10 ft respectively.
1. Roof Pitch Formula:
2. Slope Formula:
3. Angle Formula:
4. Rafter Length Formula:
Standard Roof Pitch
Despite the fact that there is no single standard rooftop pitch used on entirely slanted rooftops, factors such as roofing materials and the surrounding environment aid in determining the appropriate range of pitches for a certain project.
Roof pitches that are regularly used range from 4/12 to 9/12. Due to the tiny inclination, roof pitches less than 4/12 are referred to as low-slope roofs, and pitches less than 2/12 are referred to as flat roofs.
The ones over 9/12 are steep-slope roofs because they are significantly inclined.