Easy
mathematics can take a lot of the guess work out of measuring your
turf area. Use any of the following formulas to meet your yard
design or layout.

Circle

A = 3.14 x
r^{2}

Example: Circle's radius (r) is 10 feet.
Multiply the known 3.14 by the radius squared.

Thus: A = 3.14 x 10^{2} A =
3.14 x 100 A = 314 square feet

Square
& Rectangle

A = Base x Height

Example: Square or Rectangle's base is 10
feet, and the Square or Rectangle's height is 10 feet.

Thus: A = 10 x 10 A = 100 square
feet

Triangle

A = (Base x
Height)÷2

Example: Triangle's base is 10 feet and the
height (base to point) is 20 feet.

Thus: A = (10 x 20)÷2 A = 200÷2 A = 100 square feet

Combination
Free-Form

Break the
free-form area down to obvious forms and calculate each form's area.
Once each form is calculated, add the areas together to derive the
total area.

Breakdown to
Forms

Example:

Circle A = 3.14 x r^{2}

Rectangle A = b x h

Square A = b x h

(As a rule it is wise to add an additional 10% to cover
estimation and measuring error for a free form lawn)