One ton of topsoil will cover approximately 200 square feet. I was topping up my flowerbeds with some much needed topsoil. Why Is Humus Important For Your Garden Trees Com Humus Soil Humus Organic Fertilizer Most assume the builders bags that soil is delivered in the 1m x 1m x 1m cubic metre bags is one tonne. . Enter this information into our calculator to compute the volume of topsoil needed for. The past few days I have had 1 yard put in the bed and 2 on the trailer and that is too much especially since they always give way more than 1 yard where I get it. Rule of thumb 15 tons equals a cubic yard. One yard of dry or loose soil weighs 10 13 tons while one yard of wet or compacted soil weighs 15 17 tons. 1 ton covers approximatly. Subscribe our Youtube Channel. Measuring in metres is simplest as this will give you the volume of topsoil you need in cubic metres. Mostly from the very companies selling tops