The conversion
Cubic yards = cubic feet ÷ 27
Cubic feet = cubic yards × 27
Worked example
You need 54 cubic feet of soil
- 54 ÷ 27 = 2 cubic yards.
- In 2 cu ft bags that is 27 bags; as a bulk order, 2 yards.
Cubic feet to cubic yards table
| Cubic feet | Cubic yards | Cubic feet | Cubic yards |
|---|---|---|---|
| 1 | 0.037 | 50 | 1.85 |
| 5 | 0.185 | 54 | 2.00 |
| 10 | 0.370 | 75 | 2.78 |
| 13.5 | 0.500 | 81 | 3.00 |
| 20 | 0.741 | 100 | 3.70 |
| 27 | 1.000 | 135 | 5.00 |
| 30 | 1.111 | 200 | 7.41 |
| 40.5 | 1.500 | 270 | 10.00 |
When you need this
- Bags vs bulk: bags are labelled in cubic feet, bulk is sold by the yard.
- Concrete: ready-mix is ordered in cubic yards.
- Dumpsters and hauling: sizes are quoted in cubic yards.
Need to measure the space first? Use the cubic feet calculator.
Common mistakes to avoid
- Dividing by 3 or 9. 3 converts feet to yards and 9 converts square feet to square yards; volume needs 27.
- Rounding too early. Round the final order, not each step.
Frequently asked questions
How do I convert cubic feet to cubic yards?
Divide by 27. 54 cubic feet ÷ 27 = 2 cubic yards.
Why 27?
A yard is 3 feet, so a cubic yard is 3 × 3 × 3 = 27 cubic feet.
How do I convert cubic yards to cubic feet?
Multiply by 27. 1.5 cubic yards × 27 = 40.5 cubic feet.
How many cubic feet of mulch or soil is a yard?
27 cubic feet: 13.5 bags of 2 cu ft, or 36 bags of 0.75 cu ft.
How many cubic yards is 100 cubic feet?
100 ÷ 27 = 3.70 cubic yards.