Cubic Feet to Cubic Yards Calculator – Guide & Formulas
Convert cubic feet to cubic yards (cu ft to cu yd) instantly. Ideal for Estimating topsoil, garden mulch, concrete volume, gravel layers, and sandbox fillings.
An essential tool for homeowners, contractors, and landscapers. Convert three-dimensional volume in cubic feet (ft³) to cubic yards (yd³) to match ordering units of bulk supplier yards.
Key Takeaway
Use the free Cubic Feet to Cubic Yards Calculator to convert cubic feet to cubic yards (cu ft to cu yd) instantly. ideal for estimating topsoil, garden mulch, concrete volume, gravel layers, and sandbox fillings. Get instant results with step-by-step explanations.
How to Use the Cubic Feet to Cubic Yards Calculator
- Enter the volume in cubic feet (ft³) into the container box.
- Review the equivalent volume in standard cubic yards (yd³).
- Examine the remaining remainder of cubic feet below the result.
- Copy the detailed material volume report for your vendor order.
The Formula
Variable Definitions
- Cubic Feet: The input volume or capacity in cubic feet (ft³)
- Cubic Yards: The equivalent volume in cubic yards (yd³)
Ordering Mulch for a Garden Project
A homeowner calculates their flower beds require 135 cubic feet of dark mulch. They need to find how many cubic yards to order from the landscaping depot.
- Step 1: Input Cubic Feet = 135.
- Step 2: Divide by 27 (since a cubic yard is 3ft * 3ft * 3ft = 27 cubic feet).
- Step 3: 135 / 27 = 5 cubic yards exactly.
Frequently Asked Questions
Why do we divide by 27 instead of 3 to get cubic yards?
Because we are converting cubic (3D) volume rather than linear distance. A cubic yard is a cube that is 3 feet wide, 3 feet long, and 3 feet deep. 3 * 3 * 3 = 27 cubic feet.
How many bags of soil make up a cubic yard?
Standard retail bags of soil are typically 1.5 or 2.0 cubic feet. It takes eighteen (18) bags of 1.5 cubic feet, or thirteen and a half (13.5) bags of 2.0 cubic feet, to equal one single cubic yard.
How much weight is in a cubic yard of topsoil?
Dry topsoil weighs approximately 2,000 to 2,200 pounds (about 1 ton) per cubic yard. Wet topsoil can exceed 3,000 pounds.
How do you convert cubic feet to yards mentally?
Divide the volume by 30 for a fast, rough downscale, or divide by 27 for exact precision.
Is a "yard" of mulch the same as a cubic yard?
Yes. In the retail landscaping trade, a "yard" of mulch, soil, or gravel is shorthand for one cubic yard.