how much soil3 do you need?

Wondering "how much soil do I need?" You've come to the right place! Use our compost calculator to figure out how much soil you will need for your garden. Calculate based on your unique garden layout! 

Or, see our Rates at a Glance for your project-type.

To start calculating, select “Project Type,” then add shapes and areas (dimensions) that best represent your garden. There are geometric shapes at the bottom for help determining the measurements for common garden areas. You can add multiple shapes and dimensions in our soil calculator! Click “Calculate” to see how many bags of compost your project will most likely require. Note: 1 BigYellowBag = 1 cubic yard and 1 Mini Cube = 1 cubic foot (7.48 gallons).

Soil Calculations

Compost Calculator

raised garden beds

How Much Soil³ Do I Need for Raised Flower Beds and Shrub Borders?

  • Traditional garden beds & shrub borders – 1 Cubic Yard  of compost per 500 sq. ft.
  • Raised garden beds – Our Kits come with all the Soil3 Veggie Mix needed to fill your bed
  • If you have your own raised garden bed, use our Soil3 Calculator to find out how much Veggie Mix need based on the depth

Spread over the entire bed and mix/till into the existing soil. Mixing Soil3 with the entire bed will provide better long-term results.

woman planting flowers

How Much Soil³ Do I Need for Container Gardening?

Container – 1 cubic foot per 7.48 gallons

Plant directly into Soil3 Veggie Mix for your container gardens. Veggie Mix make the perfect growing medium as it increases the growth and health of your plants.  Read more here: Container Gardening and Potting Soil


How Much Soil³ or Level Mix Do I Need to Topdress My Existing Lawn?

  • Aerating & compost-topdressing with Soil3: 1 Cubic Yard per 1,000 sq. ft.
  • Topdressing with Level Mix to Level Existing Lawns: Approximately 1 Cubic Yard per 500 to 1,000 sq. ft., depending on site conditions

Soil3 contains beneficial microorganisms to keep your soil thriving. An added benefit is that compost has been shown to suppress fungal diseases on lawns. Topdressing with Soil3 compost after aerating.

edge of newly sodded lawn

How Much Soil³ Do I Need to start a lawn?

  • New Sod:  amending soil to lay sod – 1 Cubic Yard per 1,000 sq. ft.
  • New Seed: amending soil to plant seed – 1 Cubic Yard per 1,000 sq. ft.
  • Mulch for New Seed: as mulch over seed instead of straw – 1 Cubic Yard per 2,000 sq. ft.
  • Overseeding an Existing Lawn: 1 Cubic Yard per 2,000 sq. ft.


Add Soil3 to your preparation plan. Your plants will grow better, look better, and you will enjoy your lawn and garden much more when you start with Soil3.

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Soil³ Guarantee

When you buy our BigYellowBag of Soil³ we are so confident that you will be happy with the quality of our product, that if it’s not to your satisfaction when we deliver it, we will pick up the unused bag for FREE and give you a 100% refund.