Transvaal (region; former South Africa 25 10 S 29 25 E
name for northeastern South
Africa)
Transylvania (region) Romania 46 30 N 24 00 E
Trindade, Ilha de (island) Brazil 20 31 S 29 20 W
Trinidad (island) Trinidad and 10 22 N 61 15 W
Tobago
Tripoli (capital) Libya 32 54 N 13 11 E
Tripoli (city) Lebanon 34 26 N 35 51 E
Tripolitania (region) Libya 31 00 N 14 00 E
Tristan da Cunha Group Saint Helena 37 15 S 12 30 W
(island group)
Trobriand Islands Papua New Guinea 8 38 S 151 04 E
Trucial Coast (former name United Arab 24 00 N 54 00 E
for the United Arab Emirates
Emirates)
Trucial Oman (former name United Arab 24 00 N 54 00 E
for the United Arab Emirates
Emirates)
Trucial States (former name United Arab 24 00 N 54 00 E
for the United Arab Emirates
Emirates)
Truk Islands (former name Federated States 7 25 N 151 47 E
for the Chuuk Islands) of Micronesia
Tsugaru Strait Pacific Ocean 41 35 N 141 00 E
Tuamotu Islands (Iles French Polynesia 19 00 S 142 00 W
Tuamotu)
Tubuai Islands (Iles Tubuai) French Polynesia 23 00 S 150 00 W
Tunb al Kubra (island) Iran 26 14 N 55 19 E
Tunb as Sughra (island) Iran 26 14 N 55 09 E
Tunis (capital) Tunisia 36 48 N 10 11 E
Turin (city) Italy 45 04 N 7 40 E
Turkish Straits (see Atlantic Ocean 40 40 N 28 00 E
Bosporus and Dardenelles)
Turkiye (local name for Turkey 39 00 N 35 00 E
Turkey)
Turkmenia, Turkmeniya Turkmenistan 40 00 N 60 00 E
(former name for
Turkmenistan)
Turks Island Passage Atlantic Ocean 21 40 N 71 00 W
Tuscany (region) Italy 43 25 N 11 00 E
Tutuila (island) American Samoa 14 18 S 170 42 W
Tyrrhenian Sea Atlantic Ocean 40 00 N 12 00 E
Ubangi-Shari (former name Central African 6 38 N 20 33 E
for the Central African Republic
Republic
Ukrayina (local name for Ukraine 49 00 N 32 00 E
Ukraine)
Ulaanbaatar (capital) Mongolia 47 55 N 106 53 E
Ullung-do (island) South Korea 37 29 N 130 52 E
Ulster (region) Ireland, United 54 35 N 7 00 W
Kingdom
Uman (local name for Oman) Oman 21 00 N 57 00 E
Unimak Pass (strait) Pacific Ocean 54 20 N 164 50 W
Union of Soviet Socialist Armenia,
Republics or USSR (former Azerbaijan,
name of a large Eurasian Belarus, Estonia,
empire, roughly coequal with Georgia,
the former Russian Empire) Kazakhstan,
Kyrgyzstan,
Latvia, Lithuania,
Moldova, Russia,
Tajikistan,
Turkmenistan,
Ukraine,
Uzbekistan
United Arab Republic or UAR Egypt, Syria
(former name for a
federation between Egypt and
Syria)
Upper Volta (former name for Burkina Faso 13 00 N 2 00 W
Burkina Faso)
Ural Mountains Kazakhstan, Russia 60 00 N 60 00 E
Urdunn (local name for Jordan 31 00 N 36 00 E
Jordan)
Urundi (former name for Burundi 3 30 S 30 00 E
Burundi)
Ussuri River China, Russia 48 28 N 135 02 E
Vaduz (capital) Liechtenstein 47 09 N 9 31 E
Vakhan (Wakhan Corridor) Afghanistan 37 00 N 73 00 E
Valletta (capital) Malta 35 54 N 14 31 E
Valley, The (capital) Anguilla 18 13 N 63 04 W
Van Diemen Strait (Osumi Pacific Ocean 31 00 N 131 00 E
Strait)
Vancouver (city) Canada 49 16 N 123 08 W
Vancouver Island Canada 49 45 N 126 00 W
Vatican City (capital) Holy See 41 54 N 12 27 E
Velez de la Gomera, Penon de Spain 35 11 N 4 18 W
(island)
Venda (enclave) South Africa 23 00 S 31 00 E
Verde Island Passage Pacific Ocean 13 34 N 120 51 E
Victoria (capital) Seychelles 4 38 S 55 27 E
Victoria (island) Canada 71 00 N 110 00 W
Victoria Land (region) Antarctica 72 00 S 155 00 E
Vienna (capital) Austria 48 12 N 16 22 E
Vientiane (capital) Laos 17 58 N 102 36 E
Vilnius (capital) Lithuania 54 41 N 25 19 E
Viti Levu (island) Fiji 18 00 S 178 00 E
Vladivostok (city) Russia 43 10 N 131 56 E
Vojvodina (region) Serbia 45 35 N 20 00 E
Volcano Islands Japan 25 00 N 141 00 E
Vostok Island Kiribati 10 06 S 152 23 W
Wake Atoll Wake Island 19 17 N 166 39 E
Wakhan Corridor (see Vakhan) Afghanistan 37 00 N 73 00 E
Walachia (region) Romania 44 45 N 26 05 E
Wales (region) United Kingdom 52 30 N 3 30 W
Wallis Islands Wallis and Futuna 13 17 S 176 10 W
Walvis Bay (city; former Namibia 22 59 S 14 31 E
exclave)
Warsaw (capital) Poland 52 15 N 21 00 E
Washington, DC (capital) United States 38 53 N 77 02 W
Weddell Sea Southern Ocean 72 00 S 45 00 W
Wellington (capital) New Zealand 41 28 S 174 51 E
West Frisian Islands Netherlands 53 26 N 5 30 E
West Germany (Federal Germany 53 22 N 5 20 E
Republic of Germany; former
name for western portion of
Germany)
West Island (capital) Cocos (Keeling) 12 10 S 96 55 E
Islands
West Korea Strait (Western Pacific Ocean 34 40 N 129 00 E
Channel)
West Pakistan (former name Pakistan 30 00 N 70 00 E
for present-day Pakistan)
West Siberian Plain Russia 60 00 N 75 00 E
Western Channel (West Korea Pacific Ocean 34 40 N 129 00 E
Strait)
Western Samoa (former name Samoa 13 35 S 172 20 W
for Samoa)
Wetar Strait Pacific Ocean 8 20 S 126 30 E
White Sea Arctic Ocean 65 30 N 38 00 E
Wilkes Land (region) Antarctica 71 00 S 120 00 E
Willemstad (capital) Netherlands 12 06 N 68 56 W
Antilles
Windhoek (capital) Namibia 22 34 S 17 06 E
Windward Passage Atlantic Ocean 20 00 N 73 50 W
Winnipeg (city) Canada 49 53 N 97 10 W
Wrangel Island (Ostrov Russia 71 14 N 179 36 W
Vrangelya)
Xianggang (local name for Hong Kong 22 15 N 114 10 E
Hong Kong)
Y'israel (local name for Israel 31 30 N 34 45 E
Israel)
Yaitopya (local name for Ethiopia 8 00 N 38 00 E
Ethiopia)
Yalu River China, North Korea 39 55 N 124 20 E
Yamoussoukro (capital) Cote d'Ivoire 6 49 N 5 17 W
Yangon (see Rangoon) Burma 16 47 N 96 10 E
Yaounde (capital) Cameroon 3 52 N 11 31 E
Yap Islands Federated States 9 30 N 138 00 E
of Micronesia
Yaren (governmental center) Nauru 0 32 S 166 55 E
Yekaterinburg (city; Russia 56 50 N 60 39 E
formerly Sverdlovsk)
Yellow Sea Pacific Ocean 36 00 N 123 00 E
Yemen Arab Republic (also Yemen 15 00 N 44 00 E
Yemen (Sanaa); former name
for northern portion of
Yemen)
Yemen, People's Democratic Yemen 14 00 N 46 00 E
Republic of (also Yemen
(Aden); former name for
southern portion of Yemen)
Yerevan (capital) Armenia 40 11 N 44 30 E
Yokohama (city) Japan 35 26 N 139 37 E
Youth, Isle of (Isla de la Cuba 21 40 N 82 50 W
Juventud)
Yucatan Channel Atlantic Ocean 21 45 N 85 45 W
Yucatan Peninsula Mexico 19 30 N 89 00 W
Yugoslavia (former name for Montenegro, Serbia 43 00 N 21 00 E
a federation of Serbia and
Montenegro)
Yugoslavia, Kingdom of Bosnia and 43 00 N 19 00 E
(former name for a Balkan Herzegovina,
federation) Croatia,
Macedonia,
Montenegro,
Serbia, Slovenia
Yugoslavia, Socialist Bosnia and 43 00 N 19 00 E
Federal Republic of (former Herzegovina,
name for a Balkan Croatia,
federation) Macedonia,
Montenegro,
Serbia, Slovenia
Zagreb (capital) Croatia 45 48 N 15 58 E
Zaire (former name for the Democratic 15 00 S 30 00 E
Democratic Republic of the Republic of the
Congo) Congo
Zakhalinskiy Zaliv (bay) Pacific Ocean 54 00 N 142 00 E
Zaliv Shelikhova (bay) Pacific Ocean 60 00 N 157 30 E
Zambezia (region) Mozambique 16 00 S 37 00 E
Zanzibar (island) Tanzania 6 10 S 39 11 E
Zhong Guo, Zhonghua (local China 35 00 N 105 00 E
name for China)
Zion, Mount (locale in Israel, West Bank 31 46 N 35 14 E
Jerusalem)
Zurich (city) Switzerland 47 23 N 8 32 E
This page was last updated on 18 December, 2008
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Appendix G - Weights and Measures
Note: At this time, only three countries - Burma, Liberia, and
the US - have not adopted the International System of Units (SI,
or metric system) as their official system of weights and
measures. Although use of the metric system has been sanctioned
by law in the US since 1866, it has been slow in displacing the
American adaptation of the British Imperial System known as the
US Customary System. The US is the only industrialized nation
that does not mainly use the metric system in its commercial and
standards activities, but there is increasing acceptance in
science, medicine, government, and many sectors of industry.
Mathematical Notation
Mathematical Power Name
10^18 or 1,000,000,000,000,000,000 one quintillion
10^15 or 1,000,000,000,000,000 one quadrillion
10^12 or 1,000,000,000,000 one trillion
10^9 or 1,000,000,000 one billion
10^6 or 1,000,000 one million
10^3 or 1,000 one thousand
10^2 or 100 one hundred
10^1 or 10 ten
10^0 or 1 one
10^-1 or 0.1 one-tenth
10^-2 or 0.01 one-hundredth
10^-3 or 0.001 one-thousandth
10^-6 or 0.000 001 one-millionth
10^-9 or 0.000 000 001 one-billionth
10^-12 or 0.000 000 000 001 one-trillionth
10^-15 or 0.000 000 000 000 001 one-quadrillionth
10^-18 or 0.000 000 000 000 000 001 one-quintillionth
Metric Interrelationships
Prefix Symbol Length, weight, or capacity
yotta Y 10^24
zetta Z 10^21
exa E 10^18
peta P 10^15
tera T 10^12
giga G 10^9
mega M 10^6
kilo k 10^3
hecto h 10^2
deka da 10^1
basic unit - 1 meter, 1 gram, 1 liter
deci d 10^-1
centi c 10^-2
milli m 10^-3
micro u 10^-6
nano n 10^-9
pico p 10^-12
femto f 10^-15
atto a 10^-18
zepto z 10^-21
yocto y 10^-24
Conversion Factors
To Convert From To Multiply By