Difference between revisions of "Conversion Tables and Charts"
Difference between revisions of "Conversion Tables and Charts"
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Revision as of 22:05, 20 July 2016
Roofing Slopes
| Fall/Run | ||||||
|---|---|---|---|---|---|---|
| Slope Ratio | Inch / Foot | mm / m | Percentage | Slope Angle | ||
| Degrees / Minutes | ||||||
| 1:1 | 12" in 12" | 1000.0 | 100.0 | 45 | - | 00 |
| 1:2 | 6" in 12" | 500.0 | 50.0 | 26 | - | 34 |
| 1:3 | 4" in 12" | 333.3 | 33.3 | 18 | - | 26 |
| 1:4 | 3" in 12" | 250.0 | 25.0 | 14 | - | 02 |
| 1:5 | -- | 200.0 | 20.0 | 11 | - | 19 |
| 1:6 | 2" in 12" | 166.7 | 16.7 | 9 | - | 28 |
| 1:7 | -- | 142.9 | 14.29 | 8 | - | 08 |
| 1:8 | 1-1/2" in 12" | 125.0 | 12.5 | 7 | - | 08 |
| 1:9 | -- | 111.1 | 11.1 | 6 | - | 20 |
| 1:10 | 1-1/2" in 12"* | 100.0 | 10.0 | 5 | - | 43 |
| 1:11 | -- | 90.9 | 9.09 | 5 | - | 12 |
| 1:12 | 1" in 12" | 83.0 | 8.3 | 4 | - | 46 |
| 1:13 | -- | 76.9 | 7.69 | 4 | - | 24 |
| 1:14 | -- | 71.4 | 7.14 | 4 | - | 05 |
| 1:15 | 3/4" in 12"* | 67.0 | 6.7 | 3 | - | 49 |
| 1:20 | 5/8" in 12"* | 50.0 | 5.0 | 2 | - | 52 |
| 1:25 | 1/2" in 12"* | 40.0 | 4.0 | 2 | - | 17 |
| 1:30 | -- | 33.3 | 3.33 | 1 | - | 55 |
| 1:40 | -- | 25.0 | 2.5 | 1 | - | 26 |
| 1:50 | 1/4" in 12"* | 20.0 | 2.0 | 1 | - | 09 |
| 1:60 | -- | 16.7 | 1.67 | 0 | - | 57 |
| 1:80 | -- | 12.5 | 1.25 | 0 | - | 43 |
| 1:100 | 1/8" in 12"* | 10.0 | 1.0 | 0 | - | 34 |
| * (Nominal) | ||||||