April 16, 2019

Handy online conversions and charts for all your planting needs.

Bulk aggregate calculator

feet
feet
inches

cubic yards

Number of plants required for a given space

Spacing 10 sq. ft. 15 sq. ft. 25 sq. ft. 50 sq. ft. 100 sq. ft.
5" x 6" 48 72 120 240 480
5" x 8" 36 54 90 180 360
6" x 6" 40 60 100 200 400
6" x 7" 34 51 86 171 343
6" x 8" 30 45 75 150 300
7" x 8" 26 39 65 130 260
8" x 8" 23 34 57 113 225
8" x 9" 20 30 50 100 200

Seed Coverage

1 (one) lb. of bluegrass will cover 667 sq. ft.
1 (one) lb. of common mixed seed
(40% Kentucky bluegrass, 40% creeping red fescue,
20% perennial ryegrass) will cover
200 sq. ft.
1 (one) lb. of perennial rye will cover 143 sq. ft.
1 (one) lb. of Chewings fescue will cover 286 sq. ft.
1 (one) lb. of Colonial bent will cover 2000 sq. ft.
1 (one) lb. of creeping bent will cover 2000 sq. ft.

Ground covers (100 plants per flat)

Spaced 4" apart will cover 11 sq. ft.
Spaced 6" apart will cover 25 sq. ft.
Spaced 8" apart will cover 44 sq. ft.
Spaced 10" apart will cover 70 sq. ft.
Spaced 12" apart will cover 100 sq. ft.
Spaced 15" apart will cover 156 sq. ft.
Spaced 18" apart will cover 225 sq. ft.
Spaced 24" apart will cover 400 sq. ft.
Spacing is figured centre to centre.

Water Conversion Table

Gallons per minute Cubic feet per minute Gallons per hour Gallons per 24 hr. Acre ft. per 24 hr.
100 13.37 6000 144,000 .44
200 26.74 12,000 288,000 .88
300 40.10 18,000 432,000 1.32
500 66.80 30,000 720,000 2.20
900 120.30 54,000 1,296,000 3.96

All above numbers for the water conversion chart are based on standard industry U.S. gallon calculations.

The following conversion factors can be used if necessary:

1 U.S. gal. .833 Imperial gal.
1 Imperial gal. 1.201 U.S. gal.
1 U.S. gal. 3.785 litres
1 litre .264 U.S. gal.