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roof pitch to degrees


Don@Black Dog

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my method is to photocopy the page out of graphic standards, and keep it very handy. 'Expression of slope'

Math, ehh, not for me

from my cheat sheet:

1:12 - 4?46' - 8.3%

2:12 - 9?28' - 16.7%

3:12 - 14?02' - 25%

4:12 - 18?26' - 33.3%

5:12 - 22?30' - 41.4%

6:12 - 26?34' - 50%

7:12 - 30?0' - 57.5%

8:12 - 33?42' - 67%

9:12 - 36?52' - 75%

10:12 - 40?0' - 84%

12:12 - 45?0' - 100%

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I believe, Don, that even in the boxes that display degrees you can enter a ratio and it will update accurately. I don't work a great deal with roof faces, but rather with roof framing members. . .and that's generally how I enter things.

Good luck,

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