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close this book A training manual in conducting a workshop in the design, construction, operation, maintenance and repair of hydrams
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Attachment - English-metric units conversion table

   

Equals, in Metric*

Physical Quantity

This in "English" Units

Spelled out

Symbolic

Reciprocal

DISTANCE

1 inch

2.54 centimeter

2.54 cm

0.3937

 

1 foot

0.3048 meter

().3048 m

3.281

 

1 yard

0.9144 meter

0.9144 m

1.094

 

1 mile

1.609 kilometer

l.609 km

0.6215

AREA

1 square inch

6.452 square centimeter

6.452 cm²

0.155

 

1 square foot

0.0929 square meter or

0.0929 m2

10.76

   

929 square centimeters

929 cm2

0.001076

 

1 square yard

0.836 square meter

0.836 m2

1.196

 

1 acre

4,047 square meters or

4.047 m2

0.000247

   

0.4047 hectare

0.4047 h

2.47

 

1 square mile

2.590 square kilometers or 259.0 hectares

259.0 h

0.00386

VOLUME

1 cubic inch

16.39 cubic centimeters

16.39 cm3

0.0610

 

1 pint (liquid)

473.2 cubic centimeters

473.2 cm3

0.002113

 

1 quart

946.4 cubic centimeters

946.4 cm3

0.001057

   

or 0.9464 liter

0.946 1

1.057

 

1 gallon

3.785 liters

3.78.5 1

0.2642

 

1 cubic foot

0.0283 cubic meter

0.283 cm3

35.3

 

1 cubic yard

0.765 cubic meter

0.765 cm3

1.308

 

1 acre foot

0.1233 hectare meter

0.1233 h m

8.11

VELOCITY

1 foot per hour,

     
 

minute or second

0.3048 meter/hour, minute, or second

 

3.281

 

1 mile per hour

0.1170 meter per second

0.4470 m/s

2.237

 

1 knot

.0.5145 meter per second

0.5145 m/s

1.944

* Multiply quantity known in British units by this number to get metric equivalent.

† Multiply quantity known in metric units by this number to act British equivalent

   

Equals, in Metric*

Physical Quantity

This in "English" Units

Spelled out

Symbolic

Reciprocal

ENERGY (OR WORK)

1 watt second

1.000 joule = 1.000

   
   

newton meter

1.000 J

1.000

 

1 foot pound

1.356 joule

1.356 J

0.7375

 

1 Btu

1.055 kilojoule

1.055 kJ

0.948

 

1 wale hour

3.60 kilojoules

3.60 kJ

0.2778

 

1 horsepower-hour

2.684 megajoules

2.684 MJ

0.3726

 

1 kilowatt hour

3.60 megajoules

3.60 MJ

0.2778

POWER

1 horsepower

745.7 watts or O.7457 kilo-

745.7 W

0.00134

   

watt

0.7457 kW

1.341

 

1 joule per second

1.000 watt

1.000 W

1.000

 

1 Btu per hour

0.293 joule per second

0.293 J/s

3.41

TEMPERATURE

1 degree

519 degree Celsius (Centi

5/9 X (TF-32)°C

1.8 degree

 

Fahrenheit

grade) for each Fahrenheit

 

Fahrenheit

   

degree above or below 32°F

 

for each Celsius degree plus 3

SPECIAL COMPOUND UNITS

1 Btu per cubic foot

37.30 joules per liter

37.30 J/1

0.0268

1 Btu per pound of mass

2.328 joules per gram

 

2.328 J/g

0.4296

1 Btu per square fool per hour

3.158 joules per square meter

3.158 J/m²

0.3167

 

1000 gallons per acre

0.0935 centimeters depth

 

10.70

 

1 pound of mass per cubic foot

16.02 grams per liter

16.02 g/l

0.0624

 

MASS

1 ounce

28.35 grams

28.35 g

0.03527

 

1 pound

453.6 grams

453.6 6

0 002205

   

or 0.4536 kilogram

0.4536 kg

2.205

 

1 ton(short, 2000 pounds)

0.907 megagram

0.907 Mg

1.102

   

or 0.907 metric ton

0.907 L

1.102

   

or 0.907 tone

0.907 t

1.102

TORQUE

1 inch pound

0.1130 meter newton

0.1130 m-N

8.851

PRESSURE

1 pound per square

47.88 newtons per square

47.88 N/m²

0.02089

 

foot

meter

   
 

1 pound per square

6.895 kilonewtons per

6.895 kN/m²

0.11240

 

inch

square meter

   
 

1 millimeter of

133.3 newtons per square

133.3 N/m²

0.0075

 

mercury

meter

   
 

1 foot of water

2.989 kilonewtons per

2.989 KN/nm²

0.3346

   

square meter

   
 

1 atmosphere

0.1013 meganewton per

0.1013 MN/m'

9.87

   

square meter

   

Flow

1 gallon per day

0.04381 milliliters per

0.04381 ml/s

22.824

   

second

   
 

1 gallon per minute

63.08 milliliter per second

63.08 ml/s

0.01585

 

1 cubic foot per minute

0.4719 liter per second

0.4719 1/s

2.119

 

1 cubic foot per second

28.32 liters per second

28.32 Us

0.0353

FORCE

1 ounce

0.2780 newton

0.2780 N

3.597

 

1 pound

4.448 newtons

4.448 N

0.2248

 

1 ton (2000 pounds}

8.897 kilonewtons

8.897 kN 0.11240

 

 

Since 1961 when the Peace Corps was created, more than 80,000 U.S. citizens have served as Volunteers in developing countries, living and working among the people of the Third World as colleagues and co-workers, Today 6 000 PCVs are involved in programs designed to help strengthen local capacity to address such fundamental concerns as food production, water supply, energy development, nutrition and health education and reforestation.

Peace Corps overseas offices:

BELIZE

P. O. Box 487

Belize City

BENIN

B. P. 971

Cotonou

BOTSWANA

P. O. Box 93

Gaborone

BURKINA FASO

B P 537 - Samandin

Ouagadougou

BURUNDI

c/o American

Embassy

Bujumbura

CAMEROON

B P 817

Yaounde

CENTRAL AFRICAN REPUBLIC

B P 1080

Bangui

COSTA RICA

Apartado Postal

1266

San Jose

DOMINICAN REPUBLIC

Apartado Postal

1412

San Domingo

EASTERN CARIBBEAN

Including: Antigua, Barbados, Grenada, Montserrat, St. Kitts-Nevis, St. Lucia, St. Vincent, Dominica "Erin Court" Bishops Court Hill

P. O. Box 696-C

Bridgetown, Barbados

ECUADOR

Casilla 635-A

Quito

FIJI

P. O. BOX 1094

Suva

GABON

BP 2098

Libreville

GAMBIA, The

P. O. Box 5796

Accra (North)

GUATEMALA

6a Avenida 1-46

Zona 2

Guatemala

HAITI

c/o American

Embassy

Port-au-Prince

HONDURAS

Apartado Postal

C-51

Tegucigalpa

JAMAICA

Musgrove Avenue

Kingston 10

KENYA

P. O. Box 30518

Nairobi

LESOTHO

P. O. Box 554

Maseru

LIBERIA

Box 707

Monrovia

MALAWI

Box 208

Lilongwe

MALI

B P 85

Box 564

MAURITANIA

B P 222

Nouakchott

MICRONESIA

P. O. Box 9

Kolonia, Ponape

F. S. M. 96941

MOROCCO

I, Zanquat

Benzerte

Rabat

NEPAL

P. O. Box 613

Kathmandu

NIGER

B P 10537

Niamey

PAPUA NEW GUINEA

P. O. Box 1790

Boroko

Port Moresby

PARAGUAY

c/o American

Embassy

Asuncion

PHILIPPINES

P. O. Box 7013

Manila

RWANDA

c/o American

Embassy

Kigali

SENEGAL

B P 254

Dakar

SEYCHELLES

B P 697

Victoria

SIERRA LEONE

Private Mail Bag

Freetown

SOLOMON ISLAND

P. O. Box 547

Honiara

SRI LANKA

50/5 Siripa Road

Colombo, 5

Sri Lanka

SUDAN

Djodi Deutsch

Administrator/PCV's

C/o American Embassy

Khartoum

SWAZILAND

P. O. Box 362

Mbabane

TANZANIA

Box 9123

Dar es Salaam

THAILAND

42 Soi

Somprasong 2

Petchburi Road

Bangkok 4

TOGO

B P 3194

Lome

TONGA

B P 147

Nuku' Alofa

TUNISIA

B P 96

1002 Tunis-Belvedere

Tunis

WESTERN SAMOA

Private Mail Bag

Apia

YEMEN

P. O. Box 1151

Sana'a

ZAIRE

B P 697

Kinshasa