Over the course of a year each pump will cost me- $45.56. A large pond using 180 watts per hour will cost this much. At my current cost of electricity. 0.180 (watts converted to kilowatts) X 0.26 cents (My electricity cost per kilowatt) = 0.0468 cents per hour. 0.0468 cents X 24 = $1.1232 per day! $1.1232 X 365 = $409.97 per year. Reduce the cost.The total lifetime cost value in the last. Square feet of coverage area ÷ coverage area per 1 ton = tons of rock needed. Using this formula, you can see that if you’re looking to cover 360 square feet with 1”-3” size rocks, you’re probably going to need 4.5 tons. If you’re using smaller materials, say 3/4”-1”, you may need only 3.6 tons. The team at MDI Rock is happy to.
How To - Rock Calculator. Jobs. Figuring out the right amount of rock to get is easy. Just measure the square footage and decide how deep you want it to be: To use please fill in all 3 fields and to calculate the cubic yards. Length (in feet): Width (in feet): Depth (in inches):.
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Enter the dimensions of the area you want to cover in feet, and then enter the depth that you would like to cover that area in inches. Then click the calculate button to calculate the number of cubic yards you will need. For bark or mulch, a nice thick depth would be 3 to 4 inches. If you want to cover an area with gravel, 1 to 2 inches should.
How many tons of gravel do I need? This calculator solves for the cubic yards but returns the number of tons based on 2,800 lbs. per yard. Round up to the nearest foot in the length and width boxes, and the same thing just use inches in the depth box to instantly get a result that will work well with most common aggregates. Solving for the.
You calculated you need 400 square feet of rock with a rock size of 1" to 3". You will need approximately 5 tons of rock. If you want to use a smaller material like ¾" to 1", you may only need 4 tons of rock. If you have any questions or need help calculating your project's coverage area, then call your local landscaper for assistance.
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