Fixed Height Ridge Pitch and Rafter Calculator
Optimized for MSIE4 Browser (or later versions)
Evaluate the
Rise
to the nearest ...
Half
Quarter
Eighth
16th
32nd
64th
0
1
2
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4
5
6
7
8
9
0
1
2
3
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8
9
ft.-
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1
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5
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8
9
10
11
0
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
2
4
8
16
32
in.
0
1
2
3
4
5
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8
9
0
1
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8
9
ft.-
0
1
2
3
4
5
6
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8
9
10
11
0
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
2
4
8
16
32
in.
Enter dimensions in decimal inches
Plate Width ?
Soffit Overhang ?
(nearest 1/16th inch)
Rafter Plumb Cut =
Seat Depth =
H.A.P. =
Dimension to Seat Cut =
Rafter Length =
Minimum Stock Length =
How the Calculator Works
Solution and Illustrations by Joe Carola
