We can add sand or dirt to this basal layer of gravel. First, we can lay machine-crushed gravel of a larger size that will serve as a solid foundation for more aesthetic higher layers. Normally, we would like our gravel path to consist of 2 or 3 different layers of gravel. Of course, different sizes serve different purposes. We can find some with rock fragments 4 inches (about 10 cm) in diameter and others with a particle the size of your fingernail. Size – there are many sizes of gravel.We can differentiate various types of gravel on the basis of: If you are going to use sand instead of gravel, try our sand calculator or the paver sand calculator.Ĭrushed stone is another alternative that you can use. Our gravel calculator will display this value for you. The volume of gravel required is equal to the volume of excavation.Multiply the area and depth of the excavation to obtain its volume in cubic yards: 18 * 2 = 36 yd³.Determine the depth of the excavation.For even more examples, visit the 2d geometry section of our math calculators page. We've got calculators to help you find the areas of many geometric figures like triangles or pentagons. You can also type the area of the excavation directly into the gravel estimator if you choose to excavate a more sophisticated shape. Calculate the area of the excavation, multiplying the length and width together.In our example the excavation length is l = 6 yd and the width is b = 3 yd. Determine the length and width of a cuboidal excavation.It is equal to the volume of an excavation, and you can do it in the following way: Step one is establishing the volume of gravel needed.
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