Crushed limestone calculator
Tons, yards, and truckloads for #57 stone, dense grade, and driveway limestone. Driveways usually run 4 inches of dense-grade base with 2 to 3 inches of #57 on top.
To work out how much limestone you need, multiply length by width by depth in feet and divide by 27: that is cubic yards. Limestone runs roughly 1.32 tons per cubic yard as a common approximation (#57 stone (clean, 3/4") at about 2,650 lb per cubic yard), and moisture and mix move that, so confirm with your supplier. Order about 10 percent over the calculated number for compaction, spillage and uneven grade.
Pro habit: Order about 2.7 yd³; dense grade locks in tight when compacted, and #57 scatters into low spots as it is spread.
Quarries usually sell limestone by the ton, so use the tons figure when you call and confirm their conversion since screenings weigh more than clean stone. Weights are common industry approximations; confirm with your supplier before ordering.
The number above assumes a few things about how this material behaves in the ground.
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Common questions
How do I calculate how much limestone I need?
Multiply length by width by depth in feet, then divide by 27 to get cubic yards. This limestone calculator does it for you: enter length and width in feet and depth in inches, and it returns cubic yards, estimated tons, and truckloads. Add about 10 percent for compaction, spillage, and uneven grade.
How many tons is a cubic yard of limestone?
Limestone runs roughly 1.32 tons per cubic yard as a common industry approximation (#57 stone (clean, 3/4") at about 2,650 lb/yd³). Moisture and material change this, so confirm the exact conversion with your supplier.
Is this limestone calculator free?
Yes. It is a free tool from TrackOver, software built inside a working excavation company for contractors who move dirt. No signup required to use it.
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