Measures of Weight. — Avoirdupois : ipound equals 
7000 g^rains; 16 drams, i ounce; 16 ounces, i pound; 112 
pounds, I hundredweight; 20hundredweight, i ton. Troy: 
I pound equals 5760 grains ; 24 grains, i pennyweight; 20 
pennyweights, I ounce; 12 ounces, i pound. Apothecaries': 
I pound equals 5760 grains ; 20 grains, i scruple ; 3 scruples, i 
dram ; 8 drams, i ounce ; 12 ounces, i pound. Metric : i kilo¬ 
gramme equals 1000 grammes, ecpials 2.2 Avoirdupois pounds. 
Measures of Length. — Customary: 12 inches ecpial i 
foot; 16 % feet, i rod ; 40 rods, i furlong; 8 furlongs, i statute 
mile; i statute mile, 5280 feet or 1760 yards ; i marine league, 
3 nautical miles; i fathom, 6 feet; i nautical mile equals 
6080.2 feet. Metric: 1000 millimetres equal i metre; 1000 
metres, i kilometre; i metre equals 39.37 inches. 
^Surface or Square Measure. — Ctistomary: 144 
square inches equal i square foot; 9 square feet, i square 
yard; 30.25 square yards, i square rod ; 40 square rods, i 
square rood; 4 square roods, i acre; 640 acres, i square 
mile; i acre equals 208.7 feet square. Metric: i square metre 
equals 10.764 square feet; 100 square metres equal i are; i 
hectare equals 100 ares, or 2.471 acres. 
Solid or Cubic Measure. — Customary: 1728 cubic 
inches equal i cubic foot; 27 cubic feet, i cubic yard; 40 
cubic feet of round timber, i 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, i perch — usually i6}4 i^cet 
by ^cet by i foot, but varies greatly. Metric : 1000 cubic 
centimetres equal i litre; i litre equals 1.0567 quarts. 
Liquid Measure. —English gallon eciuals 277.274 cubic 
inches, or 1.20032 U. S. gallons; 4 g^iHs, i pint; 2 pints, i 
quart; 4 quarts, i gallon. 
Dry Measure. —I bushel equals 2150.42 cubic inches; 
2 pints, I quart; 4 quarts, i gallon ; 2 gallons, i peck ; 4 pecks, 
I bushel. Metric: 10 millilitres equal i centilitre; 10 centi¬ 
litres, I decilitre; 10 decilitres, i litre; i litre, 0.908 dry quart. 
Capacity of Boxes. 
25 in. sq.T 11.66 in. deep=Api)rox. i wine barrel. 
I wine half barrel. 
I bushel. 
20 “ “ 9.10 “ 
11 
X 14 in. 9.00 
17 
10 “ X 12 “ 9.00 “ 
8 “ sq., 8.40 “ 
8 “ 4.20 “ 
7 *• diam.,6.oo “ 
<1 
11 
«t 
II 
11 
II 
II 
•I 
II 
•I 
II 
I peck. 
I gal. (dry measure). 
I gal, (liquid measure). 
ebc - 
Metric 
5K 
The Metric System of Weights and Measures has been le¬ 
galized by act of Congress, July i8,1896. 
Metric Weights.— 10 milligrams make i centigram. 
10 centigrams i decigram, 10 decigrams r gram, 10 grams 1 
dekagram, 10 dekagrams i hektogram, 10 hektograms 1 kilo¬ 
gram, 1,000 kilograms i metric ton. 
Metric Measures.— (One milliliter equals cubic centi¬ 
meter.) 10 milliliteis make i centiliter, 10 centihtera i 
deciliter, 10 deciliters I liter, 10 liters i dekaliter, 10 dekaliters 
I hektoliter, 10 hektoliters i kiloliter. 
Metric Lengths.— 10 millimeters make i centimeter, 10 
centimeters i decimeter, 10 decimeters I meter, 10 meters i 
dekameter, lo dekameters I hektometer, lo hektometers z 
kilometer. ., 
approximate equivalents. 
A meter is about a yard; a kilo is about 2 pounds; a liter is 
abouTI quartTa cLtiJneter is about ^ inch; a metric ton .s 
about same as an ordinary ton ; a kilometer is about A * 
a cubic centimeter is about a thimbleful. A nickel five-ce 
piece of our coinage is a handy kev to metric measures and 
weights. It is two centimeters in diameter and weighs five 
^rams. 
PRECISE EQUIVALENTS. 
I acre equals .4047 hectar; 1 bushel* 35*24 * centi 
meter ,3937 inch; i cubic centimeter,.0610 cu^ic inch; icubic 
foot, .0283 cubic meter; i cubic inch, 16.39 cubic cent.; i cubic 
meter, 35.31 cubic feet; x cubic meter* 1.308 cubic yards * x 
cubic yard* .7645 cubic meter; i foot* 30.48 centimeters; x 
gallon, 3.785 liters; i grain* .0648 gram ; i gram* 15.^ grams , 
^hectkllAn acr 4 s; I inch, 25.40 
2.20 pounds; 1 kilometer, .6214mile ; I liter,.9081 
I liter, 1.057 quart (liquid); i meter, 3.281 feet, i mile, 1.6^ 
kilometers; i millimeter, X394 inch; i rs 
grams; i ounce (Troy). 31.10 grams; 1 , _ L. 
pint, .473a liter; i ppun^, .4536 Kilogram; i 
liters; i quart (liquid), .9464 liter; 1 sq. cn*<^nt?^i 
inch; i sq. foot, .0927 sq. meter; i sq. inch, M52 
sq. meter, 1.196 sq. yards; i sq. meter, ^Aetric toi?- 
yard, .8361 sq. meter; 1 ton (2,000 l^s.), .9072 metnc ton, 
I ton (2.240 lbs.), 1.017,metric ton; 1 ton 1®“ 
(2000 Ids.) ; x ton (metric)* 91842 ton (2,240 lbs.)* x )ard* .9 44 
meter. 
