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John D, BS Degree in Engineering.
Category: General
Satisfied Customers: 9666
Experience:  Math, science and 25 years experience in computer programming
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# I NEED TO CONVERT 158 CUBIC YARDS OF CRUSHED

### Resolved Question:

I NEED TO CONVERT 158 CUBIC YARDS OF CRUSHED [1/2" TO 3/4"] ROCK TO TONNAGE......ALSO I NEED TO CONVERT 30 TONS OF 5/8" CRUSHED ROCK TO CUBIC YARDAGE.....
THANKS................
JERRY R. MENDENHALL [email protected]
Submitted: 9 years ago.
Category: General
Expert:  John D replied 9 years ago.

The exact tonnage depends on the density of rock. Whereas loose drain rock material weighs less than 3000 lb/yd3, compacted base rock can weigh around 4000 lbs/yd3.

Assuming you are referring to drain crushed rock, the weight of 158 cubic yards would be 158 x 3,000 = 474,000 lbs which is 237 tons.

And to convert the 30 tons to cubic yards for the same material: 30 tons = 60,000 lbs. And the volume would be 60.000/3,000 = 20 cubic yards.

Hope this helps.

John D, BS Degree in Engineering.
Category: General
Satisfied Customers: 9666
Experience: Math, science and 25 years experience in computer programming

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