4 × 10 ft bed: the short answer
Filled 10 inches deep, a 4 × 10 ft raised bed needs about 33.3 cubic feet of soil — that's roughly 23 bags of 1.5 cu ft (or 17 of the 2 cu ft size), and about 1.23 cubic yards if you order in bulk.
Bed size
Soil for a 4 × 10 ft raised bed
A 4 × 10 ft bed filled 10 inches deep takes about 33.3 cubic feet of soil — about 23 bags of 1.5 cu ft, or 1.23 cubic yards in bulk. Change the depth, bag size, or mix below for your exact build.
Soil needed
—Enter bed size and depth to estimate soil.
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Soil mix breakdown
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Shopping list
Run the calculator to prepare a list.
Estimate only.
Based on the bed volume you enter. Fresh soil and compost settle, so buying a little extra is
normal. Bag counts are rounded up; confirm against your supplier's bag coverage.
Before you buy
Soil and compost settle after the first few waterings, so buying one extra bag is sensible. If you need close to a cubic yard, compare bulk delivery — it's usually cheaper per cubic foot than bags. Adjust depth and bag size in the calculator for your exact build.
Standard volume math at 10″ depth; 1 cu yd = 27 cu ft. Estimates only.
What a 4 × 10 ft bed is usually used for
A 4 × 10 ft raised bed is a long, reachable garden bed for backyards and side yards: enough room for a full row of tomatoes or peppers, several greens, and herbs, with both long sides accessible. It is a common upgrade size for gardeners moving from small planters to real production.
How to decide
At 40 sq ft and 10 inches deep, the fill is over a cubic yard, which makes bulk delivery the practical route in most areas. Plan the bed's orientation for sunlight and decide on the mix before ordering so the fill matches what the plants need. Consider a drip line to keep watering even across the length.
Checks before you fill
- Check sun exposure along the whole length before final placement.
- Order bulk fill with delivery and compare against bagged soil cost.
- Set up even irrigation; a 10-foot bed is hard to water consistently by hand.
FAQ
How much soil for a 4 × 10 ft raised bed?
At 10 inches deep, a 4 × 10 ft bed holds about 33.3 cubic feet of soil (1.23 cubic yards). In bags that's about 23 × 1.5 cu ft, or 17 × 2 cu ft. Deeper or shallower fills scale directly with depth — use the calculator above to match yours.
How many bags of soil for a 4 × 10 ft bed?
About 23 bags if you buy 1.5 cu ft bags, or 17 bags of the larger 2 cu ft size. Always round up — and add one extra bag, since compost settles after watering.
What's the Mel's Mix for a 4 × 10 ft bed?
Mel's Mix is equal thirds compost, peat moss or coir, and coarse vermiculite. For 33.3 cu ft that's about 11.1 cu ft of each — roughly 8 bags of 1.5 cu ft per component.
Sources & verification
Source links and page assumptions reviewed .
- Square Foot Gardening: Mel's Mix method — Defines Mel's Mix as equal volumes of blended compost, coarse vermiculite, and peat moss or coir.
Estimate only, based on standard volume math at 10″ depth. Real fill varies with settling and supplier bag sizes; bag counts are rounded up. Confirm against your supplier before ordering.