Ohio State University Extension Bulletin

Calibrating Turfgrass Chemical Application Equipment

Bulletin 817-00


Conversion Tables

Square Measure
144 square inches 1 square foot
9 square feet 1 square yard
30 1/4 square yards 1 square rod 272 1/4 square feet
43,560 square feet 1 acre
4,840 square yards 1 acre
160 square rods 1 acre
640 acres 1 square mile

Linear Measure
1 inch 2 1/2 centimeters 25 1/2 millimeters
1 foot 12 inches
1 yard 3 feet
1 rod 5 1/2 yards 16 1/2 feet
1 mile 320 rods 1,760 yards 5,280 feet

Fluid Measure
1/6 fluid ounce 1 teaspoon (tsp.)
1/2 fluid ounce 1 tablespoon (tbs.) 3 teaspoons
1 fluid ounce 2 tablespoon 1/8 cup
8 fluid ounce 1 cup 1/2 pint
16 fluid ounce 2 cups 1 pint
32 fluid ounce 4 cups 1 quart
128 fluid ounce 16 cups 1 gallon

Weights
1 ounce 23 1/3 grams
1 pound 16 ounces 453 1/2 grams
2 1/5 pounds 1 kilogram 1,000 grams
1 ton 2,000 907 kilograms
1 metric ton 1,000 kilograms 2,208 pounds

Approximate Rates of Application Equivalents
1 ounce per square foot   2,722.5 pounds per acre
1 ounce per square yard   302.5 pounds per acre
1 ounce per 100 square feet   27.2 pounds per acre
1 pound per 1,000 square feet 43.56 ounces per acre 2.72 pounds/acre
1 pound per acre 1 ounce per 2,733 sq ft 8 1/2 grams per 1,000 square feet
100 pounds per acre   2.5 pounds per 1,000 square feet
5 gallons per acre   1 pint per 1,000 square feet
100 gallons per acre 2.5 gallons per 1,000 sq ft 1 quart per 100 square feet


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