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Gardening with Ciscoe ( www.ciscoe.com ) Gardening - Lawns - Circle

Calculate Area of a Circle

Measure the radius of your circle (r); enter it in the space provided; then click on the "Calculate" button:

circle illustration Enter r (in feet):  (feet)
Total square foot =  (sq. feet)

Calculate the amount of fertilizer you need for the above area

(based on 1 pound of Nitrogen per 1000 square feet)

1)

There are 3 numbers on your bag of fertilizer. The first one (N) is Nitrogen.

Enter N:

2)

How many pounds of fertilizer are in the bag?

Number of pounds:

3)

Calculate amount of fertilizer (click on the button below):
(for the total calculated square footage above)

You need  pounds of this fertilizer   ( bags )