A cubic yard is a measurement of volume often used in landscaping and construction. So, if you’re planning a garden or building a patio, you’ll probably run into this term. But just how much dirt is a cubic yard, really? And how do you even begin to estimate how many cubic yards you’ll need for your project? This article breaks it down.
What exactly is a cubic yard of dirt?
A cubic yard is a volume of material that measures 3 feet wide by 3 feet long by 3 feet high. If you’re planning a landscaping or gardening project, understanding cubic yards is key for ordering the right amount of topsoil, mulch, or gravel.
While the volume of a cubic yard is fixed, the weight of a cubic yard can vary a lot depending on the material. A cubic yard of topsoil can weigh around 1,800 pounds. A cubic yard of gravel is even heavier, at approximately 2,200 pounds.
Calculating How Much Dirt You Need
Before you order your dirt, you’ll want to have an idea of how much you need.
The 100 Square Foot Rule
Here’s a general rule of thumb: One cubic yard of dirt or other material will cover about 100 square feet to a depth of 3 inches.
The more accurate your measurements, the more accurate your estimate will be.
Formula for Precise Calculation
Here’s the formula to calculate how many cubic yards you’ll need:
Cubic Yards = (Length × Width × Depth (in)) / 324
For example, if you have a garden bed that’s 10 feet long and 5 feet wide, and you want to add 6 inches of topsoil, the calculation would look like this: (10 x 5 x 6) / 324 = 0.93 cubic yards.
Online Calculators
There are also online calculators that can simplify the estimation process. Some even let you specify whether you’re working with a rectangular or a round area.
Factors Affecting the Cost of a Cubic Yard of Dirt
The cost of a cubic yard of dirt depends on a few things, starting with the type of dirt you’re buying. Topsoil, fill dirt, and compost all have different price points.
Topsoil usually runs somewhere between $15 and $50 per cubic yard, whereas a specialty soil like a compost blend may be closer to $30 to $60 per cubic yard.
Also, consider the delivery fees, which can add significantly to the overall cost. When you’re ordering, don’t hesitate to ask about quantity discounts, especially if you need a lot of dirt.
In Closing
Knowing how much dirt a cubic yard holds is key to any successful landscaping or gardening project. Whether you use the formula, rely on an online calculator, or follow the 100-square-foot rule, make sure to estimate your needs as accurately as possible.
Finally, be sure to account for the type of soil you’re using and the delivery costs to make sure you stay on budget.