Gardeners Measurements and Conversions
First Men's Garden Club of Dallas
Bulk product conversion
27 Cubic feet = 1 Cubic yard = 1 Ton Avg. Dry Weight
Formula - Sq. ft. x in. deep ÷324 = Cubic yards.
Sample
100 x 2" ÷ 324 = .62 Cubic yards
400 x 3" ÷ 324 = 3.70 Cubic yards
40 lb. Bag of soil = 1 approx. Cubic foot
Coverage in Square Feet
1 Cubic Yard Covers
1/2" deep covers 648 sq. ft.
1" deep covers 324 sq. ft.
2" deep covers 162 sq. ft.
3" deep covers 108 sq. ft.
4" deep covers 81 sq. ft.
6" deep covers 54 sq. ft.
8" deep covers 40 sq. ft.
12" deep covers 27 sq. ft.
Bagged Product Conversion
One Cubic Foot = 7.48 Gallons
Sample
20 Gal.Bag ÷ 7.48 = 2.7 C.F.
Bark/Wood Mulch - Landscapers Mix
Depth of
Product
2"
3"
4"
3 cubic foot bag
100
1000
Sq. Ft.
Sq. Ft.
6 bags
60 bags
9 bags
90 bags
11 bags
110 bags
Depth of
Product
2"
3"
4"
2 cubic foot bag
100
1000
Sq. Ft.
Sq. Ft.
8 bags
80 bags
12 bags
120 bags
15 bags
150 bags
Select Organic Fertilizers with NPK Analysis
Alfalfa Meal
Bat Guano
Blood Meal
Bone Meal
Cottonseed Meal
Feather Meal
(3-1-2)
(10-3-1)
(6-7-0)
(0-10-0)
(6-2-1)
(12-.5-0)
Fish Emulsion
Cattle Manure*
Horse Manure *
Poultry Manure*
Seaweed/Kelp
Worm Castings
(5-2-2)
(.6-.3-.4) (* Composted)
(.6-.6-.4)
(4-3-1.5)
(.6-.2-2)
(1-.1-.1)
Liquid Measurement
One gallon = 4 Quarts/8 pints
One gallon = 16 cups/128 ounces
One gallon = 256 tablespoons/768
teaspoons
One quart = 2 pints/4 cups/32 ounces/64
Tbls.
One pint = 2 cups/16 ounces/32
tablespoons
One cup = 1/2 pint/8 ounces/16 tablespoons
1/2 Cup = 4 ounces/8 tablespoons/24
teaspoons
1/4 Cup = 2 ounces/4 tablespoons/12
teaspoons
1 Tablespoon = 1/2 ounce/3 teaspoons
Notes: N = Nitrogen, P = Phosphorus, K = Potassium.
The price of bulk product is usually less than the cost of bagged.
To lower soil pH by one number, apply one pound of horticultural sulfur per 100 sq. ft.
GRASS SEED
Type of Grass
Application Rates
Rate per 1,000 Sq. Ft.
2 pounds
3 pounds
8-10 pounds
6-8 pounds
Bermuda (Hulled)
Bermuda (Unhulled)
Fescue
Rye (Annual/Perennial)
Rate per Acre
88 pounds
132 pounds
348-440 pounds
264-352 pounds
PLANT SPACING
Plants per 100 Square Feet
Plants from 4 inch containers
Spacing
Inches on Center
4
6
8
10
12
16
Plants per
100 Sq. Ft
900
400
225
144
100
58
Spacing
Inches on Center
18
24
30
36
48
72
Plants per
100 Sq. Ft
45
25
18
11
8
3
Plants per 100 Square Feet in a Round Bed
Plants from 4 inch containers
Diameter of
Circle
8 ft
9 ft
10 ft
12 ft
14 ft
16 ft
18 ft
20 ft
24 ft
30 ft
36 ft
Total Square
Feet
50
64
79
113
154
201
254
314
452
707
1017
Spacing
on 4” center
450
600
700
1000
1400
1800
2300
2800
4050
6350
9150
Spacing
on 6” center
200
250
300
450
600
800
1000
1250
1800
2800
4050
Spacing
on 8” center
100
125
150
250
350
450
570
700
1000
1800
2250
Spacing
on 10” center
70
90
100
150
200
300
350
450
850
1000
1450
Spacing for Shrubs, Vines, Ground Covers and Trees
Vines
Narrow Twining Vines 1 to 3 ft apart. Spreading Vines 4 to 6 ft apart
Ground cover, up to 1-ft high, Slow growers -1 to 1 ½ ft apart. Fast growers - 2 to 3 ft. apart
Shrubs
Dwarf - 1 to 3 ft tall - 3/4 feet apart * Small - 3 to 5 ft tall - 4/6 feet apart
Medium - 6 to 9 ft tall - 6/8 feet apart * Large - 10 to 25 ft tall - 10/14 feet apart
Trees
Full size 30 to 100 ft tall - Minimum 25 feet apart.
The trees drip line should not over hang the roofline.
For more information on gardening and landscaping contact:
The First Men's Garden Club of Dallas
Contact [email protected]
www.dallasgardeners.org