# Calculating How Much Dirt is Needed

## Calculating How Much Dirt is Needed for a Square Area

• Determine square footage of area. This is length x width.
• Determine depth of needed soil in inches.
• Take the square footage and multiply be depth in decimal. For instance 6” is .5 in decimal. To figure out decimal take inches and divide by 12. For instance 7 inches divided by 12 is .58. This number is the cubic feet needed.
• Then divide this number by 27. This will tell you how many cubic yards of pulverized soil is needed.

Example:

A raised garden bed of 8 x 8 is 64 s.f. It is 18” high. (18 divided by 12 = 1.5)
This is 1.5 in decimal.
Multiply 64 x 1.5 = 96. This is the cubic feet needed.
Divide by 27 . (96 divided by 27 = 3.56)
3.56 cubic yards of dirt is needed

## Calculating How much Dirt is Needed for a Circle

• Determine square footage of area. Area of a circle is the radius squared x pie which is 3.14. (18’ pool is a 9’ radius. 9 x 9 = 81 x 3.14=254.34 s.f.)
• Determine the depth in inches then convert to decimal. Depth in inches divided by 12. For instance 4” – 12 = .33
• Multiply square footage by depth to determine cubic feet. (254.34 x .33 = 83.93 cubic feet)
• Determine cubic yards needed. Cubic feet divided by 27 = cubic yards. For our example 83.93 divided by 27 = 3.11 cubic yards.

## Location & Contact

3197 S. Chicago St., Joliet, IL 60436

Garden Center Hours:  Opening March 6
Monday – Friday: 7:00 am–4:30 pm
Saturday: 8:00 am-4:00 pm beginning April 1st
Sunday – closed

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9:00 am–2:00 pm

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Monday, May 29, Memorial Day
Tuesday, July 4 , Independence Day
Monday, Sept 4, Labor Day

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