Hardgoods Need Calculation Formulas
As most of us don't work with formulas on a daily basis, remembering how to calculate the amount of product you need to purchase to do a certain project can be a pain. Therefore, we've prepared the formulas below to assist you in establishing your product needs.
Mulch Calculations
Formula for Calculating Volume Need
Formula
Length X Width X Depth (in feet) = Cubic Feet
Cubic Yard (Find)
Cubic Feet Divided By 27 = Cubic Yards
2 Cubic Foot Bag (Find)
Total Cubic Feet Needed Divided By 2 = Number Bags
3 Cubic Foot Bag (Find)
Total Cubic Feet Needed Divided By 3 = Number Bags
Typical Coverage Rates by Purchase Size
Cubic Yard
Covers approximately 110 S. F. at 3 inch depth
2 Cubic Foot Bag
Covers approximately 8 S. F at 3 inch depth
3 Cubic Foot Bag
Covers approximately 12 S. F. at 3 inch depth
Brick Calculations
Formula for Calculating Bricks Needed - Edging (Linear Feet)
Running Bond (End To End)
Number of Linear Feet Times 1.5 = Bricks Needed
Soldier Course (Side By Side)
Number of Linear Feet Times 3.5 = Bricks Needed
Formula for Calculating Bricks Needed - Patios and Walk Ways (Square Feet)
Calculate Square Feet
Length times width = Square Feet
Calculate Brick Need
4.58 times Square Feet = Number Of Bricks Needed
Flagstone Calculations
Patios - Flagstone 1.5" to 2" Thickness
Pounds/Square Foot
17 to 20 Pounds Per Square Foot
Coverage Per Ton
Approximately 100/155 Square Feet Per Ton
Formula
Length times width = Square Feet
Square Feet Times 20 = Pounds Divided By 2,000 = Tons
Square Feet Times 20 = Pounds Divided By 2,000 = Tons
Steppers - Flagstone 1.5" to 2" Thickness
Stepper Size
A Normal Stepper is One Square Foot And Weighs 20 Lbs.
Calculate Need
# Steppers times 20 = Pounds Divided By 2,000 = Tons