Garden Bed Math · First bed planner
First raised bed planner
Spot: Date:
| # | Step | Done | Date |
|---|---|---|---|
| 1 | Width 4 ft max (3 ft for kids) | ||
| 2 | Length in 2 or 3 ft steps | ||
| 3 | Paths 18 to 24 in (12 min) | ||
| 4 | Height: 10 in of soil or more | ||
| 5 | Boards: ____ x ____ x ____ ft | ||
| 6 | Posts: ____ at ____ in | ||
| 7 | Screw into posts, not end grain | ||
| 8 | Loosen ground 6 to 12 in deep | ||
| 9 | Soil cu ft = inside L x W x depth ÷ 1728 | ||
| 10 | Bags = cu ft ÷ bag size, round up | ||
| 11 | Water, wait, measure the gap, top up | ||
| 12 | Plant or cover with 2 in of leaves |
Notes:
Source: UGA Extension C 1027-4, raised garden bed dimensions, checked October 10, 2026. Planning record, not a guarantee. Slopes, decks, tall beds: ask a carpenter. · gardenbedmath.com/beds/first-raised-bed/