Calculated Industries 4065 v3.0 - Manual (Page 87)

86 — C ONSTRUCTION M ASTER ® P RO / T RIG / D ESKTOP
Converting Percent Grade to D:M:S
You are grading a piece of property and the site plans call for an
embankment with a grade “no steeper than 35%.” Your level shows
the slope at an 18°15’ angle. Will this pass?
KEYSTROKE DISPLAY
Enter grade and convert to degrees:minutes:seconds:
o o 0.
3 5 % Ç t Ç • * DMS 19.17.24
Since your level reading of 18°15’ is less steep than 19°17’24”, the
slope will pass inspection.
Converting Tangent/Pitch to Angle
Find the angle and corresponding tangent for a roof with an 8/12 pitch.
KEYSTROKE DISPLAY
1. Enter pitch:
o o 0.
8 i p PTCH 8 INCH
2. Convert pitch to degrees:
p 33.69°
3. Find tangent or slope:
t 0.666667
Converting Roof Angle in Degrees to Pitch in Inches
Convert a roof angle of 30.25° to pitch in inches.
KEYSTROKE DISPLAY
1. Enter angle:
o o 0.
3 0 • 2 5 t 0.583183
2. Convert to pitch:
Ç p SLP 0.583183
p PTCH 7 INCH
4065UG-E-B 6/9/04 1:50 PM Page 86