© 2022 Johnson Level & Tool — 12
EXAMPLES
ADDING AND SUBTRACTING
STRINGS OF DIMENSIONS
Add the following measurements:
• 5 Feet 2-1/2 Inches
• 15 Feet 5-1/4 Inches
• 18 .25 Inches
Then subtract 3-1/8 Inches .
KEYSTROKE DISPLAY
0
5 FEET 2-1/2 INCH
20 FEET 7-3/4 INCH
22 FEET 2 INCH
21 FEET 10-7/8 INCH
MULTIPLYING DIMENSIONS
What is the perimeter of a room with three walls which
measure 11 Feet 5-1/4 Inches each?
KEYSTROKE DISPLAY
34 FEET 3-3/4 INCH
Multiply 5 Feet 3 Inches by 11 Feet 3-3/4 Inches:
KEYSTROKE DISPLAY
59.39063 SQ FEET
On/C On/C
5
3
5
3
5
8
3
• 2
1
1
1
2
1
5
5
1
1
1
1
4
1
2
5
1
3
3
4
4
8
Feet
×
×
Feet
Inch
Feet
Feet
Inch
Feet
Inch
Inch
Inch
Inch
Inch
/
/
/
=
/
/
=
–
+
=
+
=