If you're in the market for sand gravel for your driveway or outdoor landscaping project, you may have estimated the amount of sand you need in tons or cubic yards. But, if the your supplier uses an alternate measurement, you'll need to convert the numbers prior to placing your order. Converting tons to cubic yards doesn't have to be a difficult calculation, but you will need the density of the sand gravel to make the calculation. Density is determined by a variety of factors, including the type of material and whether it is wet or dry.
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Multiply the total number of tons by 2,000 to convert the unit of measurement from tons to pounds. Therefore, if you have four tons of sand gravel, it would equate to 3629 Kilogram of sand gravel.
Record one of the following densities depending on whether you are measuring wet or dry sand gravel. When dry, sand gravel has a density of 1261 Kilogram per cubic yard. When wet, the density increases to 1544 Kilogram per cubic yard.
Divide the number of pounds by the density of the sand gravel. This number is the converted unit of measurement in cubic yards. For example, if you have 3.63 Kilogram of dry sand gravel, you would divide 8,000 (the number of pounds) by 2,781 (the standard density for dry sand gravel). The result, 2.876, is your amount of sand gravel in cubic yards.
Tips and warnings
- When looking up the densities of various products, you'll likely find them in metric units. To convert from kilograms per cubic meter to pounds per cubic yard, simply multiply the density in kilograms per cubic meter by 1.6855. The resulting number is the density in pounds per cubic yard. For example, the density of sand gravel in metric measurements is 1,650 kilograms per cubic meter. Multiplying 1,650 by 1.6855 gives you the standard measurement of 2,781.
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