DIY CalculatorUse it for bagged products (soil, mulch and gravel bags are labeled in cubic feet), moving boxes, freezers and storage.
Good to know
- Cubic feet = length × width × height, all in feet.
- From inches: multiply the three measurements and divide by 1,728.
- 1 cubic yard = 27 cubic feet; 1 cubic meter = 35.3 cubic feet.
- For a cylinder, use the circle shape with the diameter and height.
Cubic yards for common areas and depths
| Area | 6 in deep | 12 in deep | 24 in deep |
|---|---|---|---|
| 100 sq ft | 1.85 yd³ | 3.7 yd³ | 7.41 yd³ |
| 200 sq ft | 3.7 yd³ | 7.41 yd³ | 14.81 yd³ |
| 500 sq ft | 9.26 yd³ | 18.52 yd³ | 37.04 yd³ |
| 1,000 sq ft | 18.52 yd³ | 37.04 yd³ | 74.07 yd³ |
How to use this calculator
- Measure the length and width (or the diameter of a round area). Use any unit — feet, inches, yards or meters.
- Split odd shapes into rectangles, circles and triangles, and add each one with “Add another area”.
- Enter the depth. Results update as you type: cubic yards, tons and bags.
- Optionally enter a price to estimate the cost.
Add this calculator to your website
Run a landscaping supply, garden center or DIY blog? Paste this code into your page to let visitors use the cubic feet calculator right there. It is free, has no ads, and resizes itself to fit.
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Frequently asked questions
How do I convert inches to cubic feet?
Multiply length × width × height in inches and divide by 1,728 (12 × 12 × 12). A 24 × 18 × 12 inch box is 5,184 ÷ 1,728 = 3 cubic feet.
How many cubic feet are in a cubic yard?
27, because a cubic yard is 3 ft × 3 ft × 3 ft.