How Much Does a Cubic Metre of Soil Weigh?
Understand soil weights for delivery planning and trailer capacity.
Calculate Your Soil
Recommended depth: 150-300mm for garden beds
Total Volume
Understanding Soil Weight Per Cubic Metre
Knowing the weight of soil is essential for planning deliveries and determining whether you can pick up material yourself with a trailer. Standard topsoil weighs approximately 1.1 tonnes per cubic metre, though this can vary depending on moisture content and composition. Wet soil weighs significantly more than dry soil, so deliveries after rain can exceed these estimates.
The calculator above shows that one cubic metre of topsoil comes to approximately 1.1 tonnes (1,100 kilograms). This weight makes soil one of the heavier landscape materials you'll work with, exceeded only by aggregates like gravel and roadbase.
Weight Variations by Soil Type
Different soil products have different densities. Standard topsoil typically ranges from 1.0 to 1.3 tonnes per cubic metre depending on clay content and moisture. Garden mix, which contains more organic matter, tends to be slightly lighter at around 1.0 to 1.1 tonnes per cubic metre. Compost and premium veggie mixes can be lighter still, sometimes as low as 0.8 tonnes per cubic metre due to their high organic content and looser structure.
Trailer Capacity Planning
If you're planning to pick up soil yourself, understanding weight limits is crucial for safety and legality. A standard box trailer rated at 750kg can safely carry about half a cubic metre of dry topsoil. A tandem trailer rated at 2 tonnes can handle approximately 1.5 cubic metres. Always check your trailer's weight rating and remember that wet soil can be 20-30% heavier than these estimates suggest. Overloading trailers is dangerous and can result in fines or accidents.
Need to calculate soil for a specific garden area? Use our main soil calculator to enter your dimensions and get volume and weight figures.