APPENDIX G
THE METRIC SYSTEM
Th« Grade prefixes (<&ca, hecto, hUo, tnyria) denote muldpltcatioa. The Larin prefixes cerUi nalii) denote divisioa.
MEASURES OF LENGTH
The METRE (Fk-. METRE), the unk of lentth» originally intended to be tha taa- milUonth part of a line drawn from the Pole to the Equator, is now more anotlj defined as the diacance, at the melting point of ice, between two points on a pkdra i m * Iridium bar at the International Bureau of Weights and Measures near Paris.
I Metre 1 Decametre X Hectometre I Kilometre I Myriametre
as above.
zo metres, too „
lOOO „
10,000 ,»
z Decimetre » s^th of a metre. I Centimetre — xicth I MIL metre « »»
SQUARE MEASURE
The ARE, the unit of surface measure, is a square tha side of which is tm matrea long.
z Are ■■ loo square metrea. I x Declare ■* ^th of an are.
1 Decare zo ares. z Centiare xioth of an are,
z Hectare zoo „ I or z square metre (metre carre).
MEASURES OF WEIGHT
The ORAM(MB), the unit of weight, originally defined aa the weight of a cubic centimetre of disced water at 4° Centigrade, it xiAisth part of the maaa of die International Prototype Kil<Htram<me), a cylinder of platinum-iridium.
z Oram(me) «■ aa above.
X Decagram(me) ■» 10 gram,
z Hectogram(me) •« zoo „ z Xilocram(me),
or kilo — 1000 „
z Myriagrem(me) » zo,ooo „
I kilogram(me)
Declgram(me ■> ^th of a gram.
Centigram(me) «■ ijUth „
Milligram(n<e) » ii^oth „
Tonne or metric ton » looo kilos.
I called a liwe.
MEASURES OF CAPACITY, DRY AND LIQUID The UTRE. the unit of the measures of capacity, dry and liquid, originally defined aa die vqIdzim of a cubic decimetre, is the volume of a kilogram of pure, air*£rce water et temperature of maximum density.
X ijtre — as above. | x Decilitre — jAith of a litre.
I Decalitre ■> zo litres. I x Centilitre » xlstb „
X HectoUtre — zoo „ I x MUlimetro »■ „
I Ftanc "■ zoo centimes.
MONEY
I X Decimo zo emrimes. z Sou — 5 «,
METRIC LINEAI. MEASURES. «fc., TO BRITISH SYSTEM
LINEAL MilUmetre . Centimetre .
0*0394 inch. [ 0*3937 »»
f 3*937 inches
39*370t „
0*0621 mile. 0*62x4 „ .
or kaa dian twio-fifdu of an inch, zzeaiiy 4 intdzea. about 3 feet 3 inches, about aV of a mile.
8 kilometres miles (sppmarimatdy).
SQUAEB
1*196 square yard .
3*954 poles . . .
2*47* acres . . .
0*386 square mite .
or X ith square yards.
40I ares-z acre ^praximatif(y)> nearly af acrea. or *47 acres.
