CALCULATING WATER VOLUME
Rectangular = Depth x Length x Width x 7.5
Circular = Diameter x Diameter x Depth x 3.14
Oval, Straight sides = Width x Length x Depth x 6.7
(If your sides slope, multiply the final figure by 0.85)
TABLE OF CONVERSION UNITS
| 1 acre-foot (1 acre of surface covered by 1 foot of water) | 43,560 cubic feet of water 2,718,144 pounds of water 326,000 gallons of water |
| 1 cubic foot | 7.5 gallons of water 62.4 pounds of water 28,354.6 grams of water |
| 1 gallon | 8.34 pounds of water 3,800 cubic centimeters of water 3,800 grams of water |
| 1 quart | 950 cubic centimeters of water 950 grams of water |
| 1 pound | 453.6 (454) grams of water 16 ounces (cut out water) |
| 1 ounce | 28.35 grams |
| 1 ppm. Requires | 2.7 pounds per acre-foot |
| TO CONVERT | TO | MULTIPLY BY |
| Square Inches | Square Feet | 0.009694 |
| Square Feet | Square Inches | 144 |
| Square Feet | Square Yards | 0.111111 |
| Square Yards | Square Feet | 9 |
| Cubic Inches | Cubic Feet | 0.00058 |
| Cubic Feet | Cubic Inches | 1728 |
| Cubic Feet | Cubic Yards | 0.03703 |
| Cubic Yards | Cubic Feet | 27 |
| Cubic Inches | Gallons | 0.00433 |
| Cubic Feet | Gallons | 7.48 |
| Gallons | Cubic Inches | 231 |
| Gallons | Cubic Feet | 0.1337 |
| Gallons | Pounds of Water | 8.33 |
| Pounds of Water | Gallons | 0.12004 |
| Ounces | Pounds | 0.0625 |
| Inches of Water | Pounds per Sq Inch | 0.0361 |
| Inches | Milimeters | 25.4 |
CONVERSION - FAHRENHEIT TO CENTIGRADE
(The left hand column and the top column represent degrees in fahrenheit)
| TEMP. F | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
| 30 | -1.1 | -0.6 | 0 | 0.6 | 1.1 | 1.7 | 2.2 | 2.8 | 3.3 | 3.9 |
| 40 | 4.4 | 5 | 5.6 | 6.1 | 6.7 | 7.7 | 7.8 | 8.3 | 8.9 | 9.4 |
| 50 | 10 | 10.6 | 11.1 | 11.7 | 12.2 | 12.8 | 13.3 | 13.9 | 14.4 | 15 |
| 60 | 15.6 | 16.1 | 16.7 | 17.2 | 17.8 | 18.3 | 18.9 | 19.4 | 20 | 20.6 |
| 70 | 21.1 | 21.7 | 22.2 | 22.8 | 23.3 | 23.9 | 24.4 | 25 | 25.6 | 26.1 |
| 80 | 26.7 | 27.2 | 27.8 | 28.3 | 28.9 | 29.4 | 30 | 30.6 | 31.1 | 31.7 |
| 90 | 32.2 | 32.8 | 33.3 | 33.91 | 34.4 | 35 | 35.6 | 36.1 | 36.7 | 37.2 |
| For intermediate temperatures or those exceeding the range of the tables, the following formulas may be used: | ||||||||||
| F=1.8 x C 32 | C=F-32 |
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| 1.8 | ||||||||||