• 1 Trailer Load = 0.7 cubic metres
• 1 ½ Trailer Loads = 1.0 cubic metres
• 3 Trailer Loads = 2.0 cubic metres
• 4 ½ trailer loads = 3.0 cubic metres

If you are not sure how much soil you will need for the job, using big strides, pace out the length and the width of the area in question. When you have this multiply the length by the width and multiply by the required depth. This is not the exact measurement but it will give you a guide to the quantity you will be needing. e.g one pace approx one metre.