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Use Google as a conversion tool.

For more conversions you can always use the google calculator built right into their search engine. At any Google search box simply enter your calculation or conversion like a search term. Below are some examples:

Charts

Loose material coverage

Courtesty of General Excavating

FLAGSTONE COVERAGE
Inches Square feet/ton
1"-2" 125
2"-4" 65
ONE TON OF ROCK WILL COVER
Square feet Inches of depth
240 Sq. Ft. 1" Deep
120 Sq. Ft. 2" Deep
80 Sq. Ft. 3" Deep
60 Sq. Ft. 4" Deep
50 Sq. Ft. 5" Deep
40 Sq. Ft. 6" Deep
20 Sq. Ft. 12" Deep
ONE CUBIC YARD OF MATERIAL WILL COVER
Square feet Inches of depth
300 Sq. Ft. 1" Deep
150 Sq. Ft. 2" Deep
100 Sq. Ft. 3" Deep
57 Sq. Ft. 4" Deep
50 Sq. Ft. 5" Deep
25 Sq. Ft. 12" Deep


Inches to feet conversion

Courtesy of General Excavating

Inches Feet
1" .083’
2" .17’
3" .25’
4" .33’
5" .42’
6" .5’
7" .58’
8" .67’
9" .75’
10" .83’
11" .92’
12" 1.0’
13" 1.08’
14" 1.17’
15" 1.25’
16" 1.33’
17" 1.42’
18" 1.5’
19" 1.58’
20" 1.67’
21" 1.75’
22" 1.83’
23" 1.92’
24" 2’
25" 2.08’

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