In our case, A = 12 * 3 = 36 yd. Multiply the total water requirement per unit price to get the total cost. If your pool doesn't vary in depth but is some kind of a fancy shape like a bow front or cylinder, check out this aquarium calculator - it has some nice options for different 3D shapes. A square meter sandbox with a depth of 35 cm weighs about 560 kg or 0.56 tonnes. I will go over some popular filter models and how much sand is needed in each of them. The edge of the new shape is the average of two sides, so d1+d22\small \frac{d_1 + d_2}{2}2d1+d2. Standard sand, in addition, shall be light grey or whitish color, should be free from silt and the grains should be angular, but a small percentage of flaky or rounded particles are permissible. If the pool of your dreams comes in some custom or eccentric shape, check out the manufacturer's website. Our sand calculator can help you with that - all you have to do is enter the price of sand (per unit of mass, such as per tonnage, or per unit of volume, such as cubic yard). Surface area = L x W. If you opt for a round pool, perhaps a hot tub or a smaller children's pool, the calculation involves taking the radius of the circle, raising it to the power of two, then multiplying the product with 3.14. Volume = (width x length x depth) x 0.037 Calculate. He has built pools and natural landscapes for hundreds of homes and businesses across the country. Each tool is carefully developed and rigorously tested, and our content is well-sourced, but despite our best effort it is possible they contain errors. Enter the depth of the pool or use the load example option. Our calculator does the conversions for you using the pre-programmed conversions: $$1\,foot = 12\,inches = 0.33\,yards = 30.48\,centimeters = 0.3048\,meters$$, $$1\,US\,short\,ton = 2000\,pounds = 0.893\,imperial\,long\,ton = 907\,kg$$. We are not to be held responsible for any resulting damages from proper or improper use of the service. Palmetto Poolfilter-50 Superior Pool Sand Filter 20# Grade Formulated for All Residential, Commercial Pool Sand Filters - 50 Pounds. It can be difficult to look at a space and estimate how much is required, and this can result in wasted money and time.