Abbreviations
- GPA – Gallons per Acre
- PM – Gallons per Minute
- GPH – Gallons per Hour
- NPT – National Pipe Thread
- MPH – Miles per Hour
- PSI – Pounds per Square Inch (gauge pressure)
Weights
- 16 ounces = 1 pound
- 1 pound = .45 kilogram = 453.6 grams
- 2.2 pounds = 1 kilogram
- 1 gallon water = 8.34 pounds
- 1 cu. ft. water = 62.5 pounds
- 1 hundred weight (cwt) = 100 Ibs.
- 1 ton = 20 cwt = 2000 Ibs.
Liquid Measure
- 1 fluid ounce = 2 tablespoons = 28.35 grams = 29.6 milliliters or cubic centimeters
- 1 tablespoon = 3 teaspoons
- 1 cup = 8 fluid ounces
- 16 fluid ounces = 1 pint
- 1 pint = .473 liters = 2 cups
- 2 pints = 1 quart
- 8 pints = 4 quarts = 1 gallon
- 1 quart = 2 pints = 32 fluid ounces
- 1 gallon = 4 quarts = 8 pints = 128 fluid ounce
Length
- 3 feet = 1 yard
- 16.5 feet = 5.5 yards = 1 rod
- 1 mile = 320 rods = 1760 yards = 5280 ft.
- 1 centimeter = .4 inches
- 1 inch = 2.54 centimeter
- 1 meter = 3.3 ft.
- 1 foot = 12 inches = 30.5 centimeter
- 1 foot = .31 meter
Square Measure
- 1 square feet = 144 square inches
- 9 square feet = 1 square yard
- 1 square rod = 272.25 square feet = 30.25 square yard
- 43,560 sq. feet = 160 sq. rods = 4840 square yards = 1 acre = 209 ft. sq.
- 1 square mile = 640 acres
Cubic Measure
- 1 cubic foot = 1728 square inches = 29.922 liquid quarts = 7.48 gallons = 62.5 pounds
Speed
- 1.466 ft. per second = 88 ft. per minute = 1 mph
Rates of Application
- 1 ounce per sq. ft. = 2722.5 Ibs./acre
- 1 ounce per sq. yard = 302.5 Ibs./acre
- 1 ounce per 100 sq. ft. = 27.2 Ibs./acre
- 1 pound per 100 sq. ft. = 435.6 Ibs./acre
- 1 pound per 1000 sq. ft. = 43.6 Ibs./acre
- 1 gallon per acre = 3 ounces/ 1000 sq. ft.
- 5 gallons per acre = 1 pint/1000 sq. ft.
- 100 gallons per acre = 2.5 gallons/1000 sq. ft. = 1 quart/100 sq. ft.
- 100 Ibs. per acre = 2.5 Ibs./1000 sq. ft.
Conversion Table
- 1 foot = .3 meters
- 1 acre = .405 hectares
- 1 acre = 4047 sq. meters
- 1 yard = .914 meters
- 1 mile = 1.609 kilometers
- 1 quart = .95 liters
- 1 gallon (Imp.) = 4.546 liters
- 1 pint (Imp.) = 568.3 cubic centimeters
- 1 pint = .47 liter
- 1 fluid ounce (Imp.) = 28.41 cubic centimeters
- 1 pound = .454 kilogrammes
- 1 pound/sq. in. = .0689 bar
- 1 bar = 14.51 psi
- 1 gal.(lmp.)/acre = 11.23 liters/hectare
- 1 ft./min = .0183 kilometers/hour
- 1 acre = .405 hectares
- 1 hectare = 2.47 acres
- 1 sq. meter = 2.471 x 104 acres
- 1 meter = 1.094 yards
- 1 kilometer = .621 miles
- 1 liter = .22 gallons (Imp.) 1 liter = 2.1 pints = 1.06 quart
- 1 quart = .95 liter
- 1 gallon = 3.78 liter
- 1 cubic centimeter = 1.75 x 103 pints (Imp.)
- 1 cubic centimeter = .035 fluid oz. (Imp.)
- 1 kilogramme = 2.205 pounds
- 1 bar = 14.51 pounds/sq. in.
- 1 liter/hectare = .1069 gal./acre
- 1 kilometer/hour = 54.68 feet/min.
- 1 mile per hour = 1.61 kilometer/hour
Important Facts
- Volume of sphere = diameter3 x .5236
- Diameter = circum. x .31831
- Area of circle = dia.2 x .7854
- Area of ellipse = prod. of both dia. x .785
- Volume of cone = area of base x 1/3 height
- Pressure in psi = height (ft.) x .434
- PPM = percentage x 10,000
- 1% by volume = 10,000 ppm
- 1 kilogram (kg) = 100 grams (g) = 2.2 Ibs.
- 1 gram (g) = 1000 milligrams (mg) = .035 ounce
- 1 liter = 1000 milliliters (ml) or cubic centimeters = 1.058 ~uarts
- 1 milliliter or cubic centimeter = .034 fluid ounce
- 1 milliliter or cubic centimeter of water weighs 1 gram
- 1 liter of water weighs 1 kilogram
- 1 pt. of water weighs approximately 1 Ib.
- 1 part per million (ppm) = 1 milligram/liter = 1 milligram/kilogram = .0001 percent = .013 ounces by in 100 gallons of water
- 1 percent = 10.000 ppm = 10 grams per liter = 10 grams per kilogram = 1.33ounces by weight per gallon of water = 8.34 pounds per 100 gallons of water
- .1 percent = 1000 ppm = 1000 milligrams per liter
- .01 percent = 100 ppm = 100 milligrams per liter
- .001 percent = 10 ppm = 10 milligrams per liter
- .0001 percent = 1 ppm = 1 milligram per liter