approximately 20 pounds Click to see full answer. Similarly, how much does a cubic Metre of bark weigh?Bark, wood refuse weighs 0.24 gram per cubic centimeter or 240 kilogram per cubic meter, i.e. density of bark, wood refuse is equal to 240 kg/m³. how much does a yard of bark weigh? Weights for products will vary due to moisture content. Typically, mulch products weigh between 400-800 lbs. per cubic yard; Compost weighs between 1000 – 1600 lbs and soil blends weigh between 2200-2700 lbs. Also asked, how much does a bag of bark cover? It is only a guide and does round up so, for example, if you need 1.1. bulk bags of bark, it would recommend 2. As a guide, each of our bulk bags will cover approximately 15 sq meters to a depth of 25mm.How much does a bag of soil weigh?One cubic yard of topsoil weighs approximately 1,080 pounds. The estimate is based on the cubic yard calculation. One cubic foot of topsoil weighs around 40 pounds. The exact weight will depend on various conditions.