AREA(FACE FOOT)=Length X Width(Height)
DEPTH IN FEET=Depth in inches divided by 12
CUBIC FEET REQUIRED=Length X Width(Height) X Depth
CUBIC YARDS REQUIRED=Cubic feet divided by 27
CIRCLE AREA=3.14 X Radius Squared
CIRCLE CIRCUMFERENCE=3.14 X Diameter
TRIANGLE AREA=1/2 of Base x Height
***One Cubic Yard = 27 Cubic Feet
***One Ton = 2000 pounds
***One Ton of Construction Aggregate = 3/4 of a cubic yard
TONNAGE REQUIRED=Cubic Feet X Pounds per Cubic Foot divided
by 2000
APPROXIMATE WEIGHTS PER CUBIC FOOT:
***Michigan Granite Boulders:170 pounds per cubic foot
***Michigan Limestone:155 pounds per cubic foot
***Michigan Grindstone:136 pounds per cubic foot
MICHIGAN BOULDER COVERAGE:
SIZE
|
APPROXIMATE
WEIGHTS
|
APPROXIMATE
FACE FEET PER TON
|
4"-12" |
20-100lbs. |
18-19 |
8"-18" |
100-200lbs. |
15-16 |
14"-24" |
125-250lbs. |
13-14 |
18"-30" |
205-530lbs. |
11-12 |
24"-36" |
250-1100lbs. |
9-10 |
30"-42" |
530-2000lbs. |
7-8 |
36"-48" |
1100-2800lbs. |
6-7 |
APPROXIMATE BOULDER WEIGHTS:
SIZE |
WEIGHT |
12" |
100lbs. |
14" |
125lbs. |
18" |
205lbs. |
24" |
253lbs. |
30" |
530lbs. |
36" |
1100lbs. |
48" |
2800lbs. |
***One cubic yard of 4"-12" oversize cobblestone
weighs approximately 4000 pounds.
