UNITS CONVERSION TABLES

UNITS CONVERSION TABLES

Overview

These conversion tables are provided for your reference.

Units Conversion Tables

Table 1

Table 2

Table 3

Table 4

Table 5

Table 6

Table 7

Table 8

Table 9

Table 10

Table 11

Table 12

Table 13

Table 14

Table 15

Table 16

Multiples and Submultiples of SI Units

Length Units

Area Units

Volume Units

Mass Units

Density Units

Volumetric Liquid Flow Units

Volumetric Gas Flow Units

Mass Flow Units

High Pressure Units

Low Pressure Units

Speed Units

Torque Units

Dynamic Viscosity Units

Kinematic Viscosity Units

Temperature Conversion Formulas

Table 1: Multiples and Submultiples of SI units

Prefix Symbol

Multiplying Factor

18

E

10

1 000 000 000 000 000 000

exa

peta

P

1015

1 000 000 000 000 000

12

tera

T

10

1 000 000 000 000

giga

G

109

1 000 000 000

6

M

10

1 000 000

mega

kilo

k

103

1 000

2

hecto*

h

10

100

deca*

da

10

10

-1

deci*

d

10

0.1

centi

10-2

c

0.01

-3

milli

10

m

0.001

micro

10-6

u

0.000 001

-9

10

0.000 000 001

nano

n

pico

10-12

p

0.000 000 000 001

femto

f

10-15

0.000 000 000 000 001

atto

10-18

a

0.000 000 000 000 000 001

* these prefixes are not normally used

Table 2: Length Units

Millimeters Centimeters

mm

1

10

1000

1000000

25.4

304.8

914.4

1609344

cm

0.1

1

100

100000

2.54

30.48

91.44

160934.4

Meters

Kilometers

Inches

Feet

Yards

Miles

m

0.001

0.01

1

1000

0.0254

0.3048

0.9144

1609.344

km

0.000001

0.00001

0.001

1

0.000025

0.000305

0.000914

1.609344

in

0.03937

0.393701

39.37008

39370.08

1

12

36

63360

ft

0.003281

0.032808

3.28084

3280.84

0.083333

1

3

5280

yd

0.001094

0.010936

1.093613

1093.613

0.027778

0.333333

1

1760

mi

6.21e-07

0.000006

0.000621

0.621371

0.000016

0.000189

0.000568

1

Table 3: Area Units

Millimeter

Centimeter

square

square

2

mm

cm2

1

0.01

100

1

1000000

10000

645.16

6.4516

92903

929.0304

836127

8361.274

Meter

square

m2

0.000001

0.0001

1

0.000645

0.092903

0.836127

Inch

square

in2

0.00155

0.155

1550.003

1

144

1296

Foot

square

ft2

0.000011

0.001076

10.76391

0.006944

1

9

Yard

square

yd2

0.000001

0.00012

1.19599

0.000772

0.111111

1

Table 4: Volume Units

Centimeter

Meter

Liter

cube

cube

cm3

m3

ltr

1

0.000001

0.001

1000000

1

1000

1000

0.001

1

16.4

0.000016 0.016387

28317

0.028317 28.31685

3785

0.003785

3.79

4545

0.004545

4.55

158970

0.15897

159

Inch

cube

in3

0.061024

61024

61

1

1728

231

277

9701

Foot

cube

ft3

0.000035

35

0.035

0.000579

1

0.13

0.16

6

US

gallons

US gal

0.000264

264

0.264201

0.004329

7.481333

1

1.20

42

Imperial

gallons

Imp. gal

0.00022

220

0.22

0.003605

6.229712

0.832701

1

35

US barrel (oil)

US brl

0.000006

6.29

0.00629

0.000103

0.178127

0.02381

0.028593

1

Table 5: Mass Units

Grams

Kilograms

Metric tonnes

Short ton

Long ton

Pounds

Ounces

g

1

1000

1000000

907200

1016000

453.6

28

kg

0.001

1

1000

907.2

1016

0.4536

0.02835

tonne

0.000001

0.001

1

0.9072

1.016

0.000454

0.000028

shton

0.000001

0.001102

1.102293

1

1.119929

0.0005

0.000031

Lton

9.84e-07

0.000984

0.984252

0.892913

1

0.000446

0.000028

lb

0.002205

2.204586

2204.586

2000

2239.859

1

0.0625

oz

0.035273

35.27337

35273.37

32000

35837.74

16

1

Table 6: Density Units

Gram/milliliter

Kilogram/meter cube

g/ml

1

0.001

0.01602

27.68

3

kg/m

1000

1

16.02

27680

Pound/foot cube

3

lb/ft

62.42197

0.062422

1

1727.84

Table 7: Volumetric Liquid Flow Units

Meter

Foot

Liter/second Liter/minute

cube/hour cube/minute

L/sec

L/min

M3/hr

ft3/min

1

60

3.6

2.119093

0.016666

1

0.06

0.035317

0.277778

16.6667

1

0.588637

0.4719

28.31513

1.69884

1

0.007867

0.472015

0.02832

0.01667

0.06309

3.785551

0.227124

0.133694

0.00184

0.110404

0.006624

0.003899

Foot

cube/hour

ft3/hr

127.1197

2.118577

35.31102

60

1

8.019983

0.2339

Pound/inch cube

lb/in3

0.036127

0.000036

0.000579

1

US

gallons/minute

gal/min

15.85037

0.264162

4.40288

7.479791

0.124689

1

0.029165

US barrels

(oil)/day

US brl/d

543.4783

9.057609

150.9661

256.4674

4.275326

34.28804

1

Table 8: Volumetric Gas Flow Units

Normal meter cube/hour

Standard cubic feet/hour

3

Nm /hr

1

0.02832

1.699

Standard cubic feet/minute

scfh

35.31073

1

59.99294

Table 9: Mass Flow Units

Kilogram/hour

Pound/hour

kg/h

1

0.4536

3600

1000

lb/hour

2.204586

1

7936.508

2204.586

scfm

0.588582

0.016669

1

Kilogram/second

Ton/hour

kg/s

0.000278

0.000126

1

0.277778

t/h

0.001

0.000454

3.6

1

Table 10: High Pressure Units

Bar

Pound/square

inch

Kilopascal

Megapascal

bar

psi

kPa

MPa

Kilogram

force/

centimeter

square

kgf/cm2

1

0.06895

0.01

10

0.9807

0.001333

1.013

14.50326

1

0.1450

145.03

14.22335

0.019337

14.69181

100

6.895

1

1000

98.07

0.13333

101.3

0.1

0.006895

0.001

1

0.09807

0.000133

0.1013

1.01968

0.070307

0.01020

10.197

1

0.00136

1.032936

Millimeter

of mercury

Atmospheres

mm Hg

atm

750.0188

51.71379

7.5002

7500.2

735.5434

1

759.769

0.987167

0.068065

0.00987

9.8717

0.968115

0.001316

1

Table 11: Low Pressure Units

Meter of

water

mH2O

Foot of

water

ftH2O

Centimeter of

mercury

cmHg

Inches of

mercury

inHg

Inches of

water

inH2O

1

0.304813

0.135937

0.345299

0.025403

0.000102

3.280696

1

0.445969

1.13282

0.083339

0.000335

7.356339

2.242311

1

2.540135

0.186872

0.00075

2.896043

0.882753

0.39368

1

0.073568

0.000295

39.36572

11.9992

5.351265

13.59293

1

0.004014

Pascal

Pa

9806

2989

1333

3386

249.1

1

Table 12: Speed Units

Meter/second Meter/minute

m/s

1

0.01667

0.2778

0.3048

0.00508

0.447

Kilometer/hour

Foot/second

Foot/minute

Miles/hour

km/h

3.599712

0.060007

1

1.097192

0.018287

1.609071

ft/s

3.28084

0.054692

0.911417

1

0.016667

1.466535

ft/min

196.8504

3.281496

54.68504

60

1

87.99213

mi/h

2.237136

0.037293

0.621477

0.681879

0.011365

1

m/min

59.988

1

16.66467

18.28434

0.304739

26.81464

Table 13: Torque Units

Newton meter

Kilogram force meter

Nm

1

9.80665

1.35582

0.112985

kgfm

0.101972

1

0.138255

0.011521

Foot pound

Inch pound

ftlb

0.737561

7.233003

1

0.083333

inlb

8.850732

86.79603

12

1

Table 14: Dynamic Viscosity Units

Centipoise*

Poise

Pound/foot¡¤second

cp

poise

lb/(ft¡¤s)

1

100

1488.16

0.01

1

14.8816

0.000672

0.067197

1

Table 15: Kinematic Viscosity Units

Centistoke*

Stoke

Foot square/second

cs

St

ft2/s

1

0.01

0.000011

100

1

0.001076

92903

929.03

1

1000000

10000

10.76392

*note: centistokes x specific gravity = centipoise

Table 16: Temperature Conversion Formulas

Degree Celsius (¡ãC)

(¡ãF - 32) x 5/9

(K - 273.15)

Degree Fahrenheit (¡ãF)

(¡ãC x 9/5) + 32

(1.8 x K) - 459.67

Kelvin (K)

(¡ãC + 273.15)

(¡ãF + 459.67) ¡Â 1.8

November 2007

meter

square/second

m2/s

0.000001

0.0001

0.092903

1

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