The Number of Bulbs for Circular Area calculator computes the number of bulbs you need to plant a circular area in flowers based on the bulb per square foot density.
INSTRUCTIONS: Choose units and enter the following:
(D) Diameter of Circular Area being Planted in Bulbs
(BP) Bulbs per Square Foot Density (see table)
Number of Bulbs (nB): The calculator returns the number of bulbs to be planted in the area.
Number of Bulbs for Four Sided Area: Computes number of bulbs for four sided shaped area, not necessarily with squared corners, based length of the four sides and a diagonal.