Chapter 16 Special Use Tables, Charts, and
Conversions
Contents
Unit Conversions
Speedy Moisture Tester Conversion Chart
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Unit Conversions and Metric Equivalents for Water Measurement and Irrigation, Slides of Chemistry
Conversions and equivalents for various units of water measurement, including gallons, cubic feet, acres, and liters. It also includes conversions for speedy moisture tester readings. Useful for students in agriculture, engineering, and environmental sciences.
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Chapter 16 Special Use Tables, Charts, and
Conversions
Contents Unit Conversions
Speedy Moisture Tester Conversion Chart
Chapter 16 Conversions Part 652 Irrigation Guide
(210-vi-NEH 652, IG Amend. NJ1, 06/2005) NJ16-
NJ Chapter 16 Special Use Tables, Charts, and Conversions
UNITS OF WATER MEASURMENT
1 gal. = 8.34 lbs. = 0.1337 cu. ft. = 231 cu. in.
1 cu. ft. (7.48)(8.34) = 62.4 lbs.
1 acre-in. 27,154 gal. = 3,630 cu. ft.
1 acre-ft. 325,828 (326,000) gal. = 34,560 cu. ft.
1 cu. ft. per sec. = 449 (450) gal. per min. = 0.9917 (1.01) acre-in. per hr.
1 acre-in. per hr. = 453 (450) gpm
1 acre-ft. per day = 226 (225) gpm
1,000,000 gal. per day = 695 gpm = 1.55 cu. ft. per sec. = 3.08 ac. ft./day
1 ft. of water (head) 0.433 psi
1 psi = 2.31 ft. of water (head)
METRIC SYSTEM CONVERSIONS
Measures of Length
10 millimeters = 1 centimeter 0.3937 in.
10 centimeters (cm) = 1 decimeter 3.937 in.
10 decimeters (dm) = 1 meter 39.37 in.
10 meters (m) = 1 decameter = 393.7 in.
10 decameters (dkm) = 1 hectometer 329 ft. 1 in.
10 hectometers (hm) = 1 kilometer = 0.6214 mi.
10 kilometers (km) = 1 myriameter (mym) = 6.214 mi.
Land Measures
1 sq. meter (m^2 ) = 1 centiare = 1550 sq. in.
100 centiares (ca) or 100 m^2 = 1 are = 119.6 sq. yd.
100 ares (a) or 10,000 m^2 = 1 hectare (ha) = 2,471 acres
1 sq. kilometer (km) = 1,000,000 sq. meters = 0.3861 sq. mi.
Measures of Capacity The standard unit of capacity is the liter, equal to cubic decimeter or 0.9081 dry quart or 1. liquid quarts.
10 milliliters (ml) = 1 centileter = 0.338 fl. oz.
10 centileters (cl) = 1 decileter = 6.1025 cu. in.
10 deciliters (dl) = 1 liter = 0.9081 dry qt.
10 liters (1) = 1 decaliter = 0.284 bu. or 2.64 gal.
10 decaliters (dkl) = 1 hectoliter = 2.838 bu. or 26.418 gal.
10 hectoliters (hl) = 1 kiloliter = 35.315 cu. ft. or 264.18 gal.
Metric Equivalents of Common Units Inch = 2. Foot = 0.308 m Yard = 0.9144m Rod = 5.029 m Mile = 1.6093 km sq. inch = 6.452 cm sq. foot = 0.0929 m sq. yard = 0.8361 m acre = 0.4047 ha sq. mile = 259 ha or 2.590 km cu. Inch = 16.387 cm cu. Foot = 0.0283 m cu. Yard = 0.7646 m liquid qt. = 0.9463 L dry qt. = 1.1012 L gallon = 3.7853 L bushel = 35.238 L oz. av. = 0.4536 kg oz. troy = 31.1035 g lb. troy = 0.3732 kg