(based on 1 pound of Nitrogen per 1000 square feet)
1) 
Measure the square footage of the area that you want to fertilize. Get help with calculating the area.
Total square foot =
(sq. feet) 
2) 
There are 3 numbers on your bag of fertilizer. The first one (N) is Nitrogen.
Enter N:

3) 
How many pounds of fertilizer are in the bag?
Number of pounds:

4) 
Calculate amount of fertilizer (click on the button below):

You need pounds of this fertilizer ( bags ) 