Bed List
| Shape | Length (ft) | Width / Diameter (ft) | Tri Height (ft) | Depth (ft) | Qty | Volume (ft³) |
|---|
%
Soil Mix
%
%
%
Ensure the three percentages total 100%.
Bag Estimator (Soil)
Bag size
Mulch Layer optional
Thickness
Bag size
Mulch volume uses plan area × thickness. Helpful for top dressing and moisture retention.
Results
Enter beds then press Calculate.
Example Data Table
Typical vegetable beds with 12 inch depth, waste 10%.
| # | Shape | Dimensions | Depth | Qty |
|---|---|---|---|---|
| 1 | Rectangle | 8 ft × 4 ft | 12 in | 2 |
| 2 | Circle | Diameter 3 ft | 12 in | 1 |
Formula Used
- Rectangle: volume = length × width × depth
- Circle: volume = π × (diameter/2)² × depth
- Triangle: volume = (base × triangle-height ÷ 2) × depth
Total volume = sum(volumes × quantities). Waste applied as: total × (1 + waste%).
How to Use
- Choose your entry units (ft, in, m, or cm).
- Add beds; pick a shape and enter dimensions and depth.
- Set quantity for duplicate beds; repeat for all beds.
- Adjust waste, soil mix ratios, bag sizes, and mulch settings.
- Pick display unit: cubic feet or cubic yards.
- Press Calculate and export CSV/PDF.
FAQs
Most vegetables thrive with 8–12 inches of soil depth. Deep-rooted crops may prefer 14–18 inches. This tool’s presets apply quickly to all rows.
Yes. Soil settles and site irregularities occur. Adding 10–15% is common. Increase for rough terrain or when edges flare or bow outward.
Total volume with waste is converted to liters, cubic feet, yards, or meters, then divided by the bag size. We round up to ensure enough material on site.
A common garden blend is mostly mineral topsoil with generous compost and some aeration component like perlite or vermiculite. You can edit the three percentages to match your preferred recipe.
They assume perfect shapes and uniform depth. Real beds vary, so use the waste factor to cover irregular edges, curves, and construction tolerances.
Use one entry unit at a time for consistency. Switch any time; values remain numerically the same, but labels and conversions update for results.