-s-*H8 



" # 



Measures of Weight.— Avoirdupois : i pound equals 

 7000 grains; 16 drams, 1 ounce; 16 ounces, 1 pound; 112 

 pounds, 1 hundredweight ; 2ohundredweight, 1 ton. Troy: 

 1 pound equals 5760 grains ; 24 grains, 1 pennyweight; 20 

 pennyweights, 1 ounce; 12 ounces, 1 pound. Apothecaries': 

 1 pound equals 5760 grains ; 20 grains, 1 scruple ; 3 scruples, 1 

 dram ; 8 drams, 1 ounce ; 12 ounces, 1 pound. Metric : 1 kilo- 

 gramme equals 1000 grammes, equals 2.2 Aroirdupois pounds. 



MEASURES OF LENGTH.— Customary; 12 inches equal 1 

 foot ; 16% feet, 1 rod ; 40 rods, 1 furlong ; 8 furlongs, 1 statute 

 mile; 1 statute mile, 5280 feet or 1760 yards ; 1 marine league, 

 3 nautical miles ; 1 fathom, 6 feet ; 1 nautical mile equals 

 6080.2 feet. Metric: 1000 millimetres equal 1 metre; 1000 

 metres, 1 kilometre ; 1 metre equals 39.37 inches. 



Surface or Square Measure.— Customary: 144 



square inches equal 1 square foot; 9 square feet, 1 square $ 

 yard ; 30.25 square yards, 1 square rod ; 40 square rods, 1 

 square rood ; 4 square roods, 1 acre ; 640 acres, 1 square 

 mile ; 1 acre equals 208.7 feet square. Metric: 1 square metre 

 equals 10.764 square feet ; 100 square metres equal 1 are ; 1 

 hectare equals 100 ares, or 2.471 acres. 



SOLID OR CUBIC MEASURE.— Customary: 1728 cubic 

 inches equal 1 cubic foot; 27 cubic feet, 1 cubic yard; 40 

 cubic feet of round timber, 1 ton ; 50 cubic feet of hewn tim- 

 ber, i ton ; 128 cubic feet of wood (4 feet by 4 feet by 8 feet), 



1 cord; 24.75 cubic feet of stone, 1 perch — usually 16% feet 

 by 1% feet by 1 foot, but varies greatly. Metric; 1000 cubic 

 centimetres equal 1 litre; 1 litre equals 1.0567 quarts. 



Liquid Measure.— English gallon equals 277.274 cubic 

 inches, or 1.20032 U. S. gallons; 4 gills, 1 pint; 2 pints, 1 

 quart; 4 quarts, 1 gallon. 



Dry Measure.— i bushel equals 2150.42 cubic inches; 



2 pints, 1 quart ; 4 quarts, 1 gallon ; 2 gallons, r peck ; 4 pecks, 

 1 bushel. Metric: 10 millilitres equal 1 centilitre; 10 centi- 

 litres, 1 decilitre; 10 decilitres, 1 litre; 1 litre, 0.908 dry quart. 



Capacity of Boxes. 



25 iii. sq., 11.66 in. deep— Approx. 1 wine barrel. 



9.10 ' 

 14 in. 9.00 ' 

 12 " 9.00 ' 



1 wine half barrel. 

 1 bushel. 



J A " 



1 peck. 



1 gal. (dry measure). 



1 gal. (liquid measurt 



The Metric System of Weights and Measures has been le- 

 galized by act of Congress, July 18, 1896. 



Metric Weights. — 10 milligrams make 1 centigram, 

 10 centigrams 1 decigram, 10 decigrams 1 gram, 10 grams 1 

 dekagram, 10 dekagrams x hektogram, 10 hektograms x kilo- 

 gram, 1,000 kilograms x metric ton. 



Metric Measures. — (One milliliter equals cubic centi- 

 meter.) xo milliliters make 1 centiliter, xo centiliters x 

 deciliter, 10 deciliters 1 liter, 10 liters 1 dekaliter, 10 dekaliters 

 1 hektoliter, 10 hektoliters x kiloliter. 



Metric Lengths. — 10 millimeters make 1 centimeter, 10 

 centimeters x decimeter, 10 decimeters x meter, xo meters x 

 dekameter, 10 dekameters 1 hektometer, xo hektometers x 

 kilometer. 



APPROXIMATE EQUIVALENTS. 



A meter is about a yard ; a kilo is about 2 pounds ; a liter is 

 about a quart; a centimeter is about % inchj a metric ton is 

 about same as an ordinary ton ; a kilometer is about *£ mile ; 

 a cubic centimeter is about a thimbleful. A nickel live-cent 

 piece of our coinage is a handy key to metric measures and 

 weights. It is two centimeters in diameter and weighs five 

 grams. 



PRECISE EQUIVALENTS. 



x acre equals .4047 hectar; 1 bushel, 35.24 liters; 1 centi- 

 meter -3937 inch ; 1 cubic centimeter, .0610 cubic inch ; 1 cubic 

 foot, .0283 cubic meter ; 1 cubic inch, 16.39 cubiccent.; 1 cubic 

 meter, 35.31 cubic feet ; 1 cubic meter, 1.308 cubic yards ; 1 

 cubic yard, .7645 cubic meter; x foot, 30.48 centimeters; 1 

 gallon, 3.785 liters ; 1 grain, .0648 gram ; 1 gram, 15.43 grains ; 

 1 hectar, 2.471 acres ; x inch, 25.40 millimeters ; 1 kilogram, 

 2,05 pounds ; x kilometer, .6214 mile ; 1 liter, .9081 quart (dry) ; 

 1 liter, 1.057 quart (liquid) ; 1 meter, 3.281 feet; 1 mile, x.609 

 kilometers; 1 millimeter, .0394 inch; x ounce (avd.), 28.35 

 grams; 1 ounce (Troy) 31.10 grams; 1 peck, 8.800 liters; 1 



f)int, .4732 liter ; 1 pound, .4536 kilogram ; 1 quart (ary), x.xox 

 iters; 1 quart (liquid), .9464 liter; 1 sq^. centimeter, .1550 sq. 

 inch ; 1 sq. foot, ,0927 sq. meter ; 1 Bq. inch, 6.452 sq. cent.; I 

 sq. meter, 1,196 sq. yards ; t sq. meter, xo.76 sq. feet ; I sq. 

 yard, .8361 sq. meter; x ton (2,000 lbs.), .907a metric ton; 

 1 ton (2,240 lbs. ), 1.017 metric ton ; 1 ton f metric), 1.102 ton 

 (2000 Ids.) j 1 ton (metric), 9,842 ton (2,240 lbs.); xyard, .9144 ' 



ffi-e-e- 



-*«Hfc 



