Raised Garden Bed Soil Calculator

Share:

Calculate the exact amount of soil needed to fill your raised garden bed. Works for rectangular, square, and L-shaped beds.

Advertisement

Enter Your Measurements

Results

Soil Needed

1.19

cubic yards

Volume

32.0

cubic feet

2 cu ft Bags

16

bags

1 cu ft Bags

32

bags

Cost Estimate

$

per cubic yard

Estimated Cost

$41.48

Advertisement

Formula

Cubic Feet = Length ร— Width ร— (Height รท 12)

How to Use This Calculator

How to Use

  1. 1

    Enter the length and width of your raised bed.

  2. 2

    Enter the bed height in inches.

  3. 3

    Results show soil volume in cubic yards and bag counts.

  4. 4

    For best results, use a mix of 60% topsoil, 30% compost, and 10% perlite.

Frequently Asked Questions

Frequently Asked Questions

What is the best soil mix for raised beds?

A popular mix is 60% topsoil, 30% compost, and 10% perlite or vermiculite. Some gardeners use the Mel's Mix: 1/3 peat moss, 1/3 compost, 1/3 vermiculite.

How deep should a raised bed be?

Most vegetables need at least 12 inches of soil depth. Root vegetables like carrots need 18-24 inches. Herbs and leafy greens can grow in 6-8 inches.
Advertisement

In-Depth Guides

Related Calculators

Related Calculators

About This Calculator

This calculator uses the formula: Cubic Feet = Length ร— Width ร— (Height รท 12). All calculations follow industry-standard methods. Results are estimates โ€” always verify with a licensed professional for structural or code-compliant work.

Built and maintained by the CalcSmart team. Last updated March 2026.

โ–ถEmbed this calculator on your website

Copy and paste this code into your page:

<iframe src="https://calcsmart.io/embed/raised-garden-bed-soil-calculator" width="100%" height="520" frameborder="0" style="border-radius:8px;border:1px solid #e5e7eb" title="Raised Garden Bed Soil Calculator"></iframe>

Free to embed. Attribution link included automatically.