Drainage Rock Calculator
Length
(feet)
Width
(feet)
Depth
(inches)
Rock Type
#57 Stone (¾″ clean, 1.35 tons/yd³)
#67 Stone (¾″ to #4, 1.35 tons/yd³)
#4 Drainage Stone (1″–2″, 1.40 tons/yd³)
Washed River Rock (1.50 tons/yd³)
Crushed Limestone Drainage (1.40 tons/yd³)
Waste Factor
(%)
Tons Needed
3.50
Cubic Yards
2.59
Cubic Feet
70.0
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