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Soil for a 2x6 Raised Bed 10 Inches Deep

How much soil for a 2x6 raised bed 10 inches deep: 10.0 cubic feet, which is 0.37 cubic yards, 5 bags of 2 cubic feet or 7 bags of 1.5 cubic feet.

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The math

  1. Volume: 2 × 6 × (10 ÷ 12) = 10.0 cu ft.
  2. Cubic yards: 10.0 ÷ 27 = 0.37 yd³.
  3. Bags: 10.0 ÷ 2 = 5 bags (2 cu ft), or ÷ 1.5 = 7 bags (1.5 cu ft).

The topsoil calculator handles any bed size.

Soil for a 2x6 bed at other depths

DepthCubic feetCubic yards2 cu ft bags
6 in6.00.223
8 in8.00.304
10 in10.00.375
12 in12.00.446
18 in18.00.679
24 in24.00.8912

When bulk soil pays off

Bulk soil is usually cheaper per cubic yard than bags once you pass roughly 1 yard. At 0.37 yards, bags are simpler. Fill several beds at once to make a delivery worthwhile.

A good raised bed mix

Many gardeners blend topsoil with compost, around 50 to 60 percent topsoil. The compost adds nutrients and keeps the mix loose. Bagged potting soil alone is light and can dry out fast in a deep bed.

Settling

New soil settles, often by 10 to 20 percent in the first season. Overfill slightly or plan to top up with compost next spring. Line the bottom with cardboard to smother grass instead of digging it out.

Measuring accurately

Measure each bed or area in feet and multiply length by width for square feet. For curved beds, a rough rectangle around the shape overestimates; split it into smaller shapes instead. Measure the depth you actually want to add, not the total depth of the bed if some soil is already there.

Checking quality

Squeeze a handful: quality topsoil holds together loosely and breaks apart, rather than forming a sticky ball of clay or falling apart like sand. Avoid soil that smells sour or contains debris.

Questions people ask

How many bags of soil for a 2x6 raised bed?

About 5 bags of 2 cubic feet at 10 inches deep.

How many cubic feet in a 2x6x10 inch bed?

10.0 cubic feet.

How many yards of soil for a 2x6 raised bed?

About 0.37 cubic yards at 10 inches deep.

What soil mix is best for raised beds?

Topsoil blended with compost, roughly 60/40, is a common starting point.

Will raised bed soil settle?

Yes, often 10 to 20 percent in the first season.

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