Meter

m

1 m

SI Base Unit

Kilogram

kg

1 kg

SI Base Unit

Second

s

1 s

SI Base Unit

Ampere

A

1 A

SI Base Unit

Kelvin

K

1 K

SI Base Unit

Mole

mol

1 mol

SI Base Unit

Candela

cd

1 cd

SI Base Unit

Radian

rad

1 (represented as m/m)*

SI Unit

Steradian

sr

1 (represented as m²/m²)*

SI Unit

Hertz

Hz

1 s-1

SI Unit

Newton

N

1 m kg s-2

SI Unit

Pascal

Pa

1 m-1 kg s-2

SI Unit

Joule

J

1 m² kg s-2

SI Unit

Watt

W

1 m² kg s-3

SI Unit

Coulomb

C

1 s A

SI Unit

Volt

V

1 m² kg s-3 A-1

SI Unit

Farad

F

1 m-2 kg-1 s4 A2

SI Unit

Ohm

Ω

1 m² kg s-3 A-2

SI Unit

Siemens

S

1 m-2 kg-1 s3 A2

SI Unit

Weber

Wb

1 m2 kg s-2 A-1

SI Unit

Tesla

T

1 kg s-2 A-1

SI Unit

Henry

H

1 m2 kg s-2 A-2

SI Unit

Degree Celsius

°C

1 K + 273.15

SI Unit

Lumen

lm

1 cd

SI Unit

Lux

lx

1 m-2 cd

SI Unit

Becquerel

Bq

1 s-1

SI Unit

Gray

Gy

1 m2 s-2

SI Unit

Sievert

Sv

1 m2 s-2

SI Unit

Katal

kat

1 s-1 mol

SI Unit

Minute

min

60 s

SI accepts

Hour

h

3600 s

SI accepts

Day

d

86400 s

SI accepts

Degree

°

π/180 (represented as m/m)*

SI accepts

Minute

´

π/10800 (represented as m/m)*

SI accepts

Second

´´

π/648000 (represented as m/m)*

SI accepts

Hectare

ha

104 m2

SI accepts

Liter

L, l

10-3 m3

SI accepts

Metric ton

t

103 kg

SI accepts

Electron volt

eV

1.60217653 10-19 m2 kg s-2

SI accepts, experimentally defines

Dalton

Da

1.66053886 10-27 kg

SI accepts, experimentally defines

Atomic mass unit

u

1.66053886 10-27 kg

SI accepts, experimentally defines

Astronomical unit

ua

1.49597870691 1011 m

SI accepts, experimentally defines

Bar

bar

105 m-1 kg s-2

SI tolerates

Millimeters of mercury

mmHg, Torr

133.322 m-1 kg s-2

SI tolerates

Angstrom

Å

10-10 m

SI tolerates

Nautical mile

NM, M

1852 m

SI tolerates

Barn

b

10-28 m2

SI tolerates

Knots

kn

(1852/3600) m s-1

SI tolerates

Neper

Np

1 (represented as W/W)

SI tolerates

Bel

B

0.434294481903252 (represented as W/W)*

SI tolerates

Sone

sone

1 (represented as W/W)*

Informational unit of measure (acoustics)

Phon

phon

1 (represented as W/W)*

Informational unit of measure (acoustics)

Bark

bark

1

Informational unit of measure (acoustics)

Acum

acum

1

Informational unit of measure (acoustics)

Octave

oct

1 (represented as s/s)*

Informational unit of measure (acoustics)

Decade

dec

3.321928094887362 (represented as s/s)*

Informational unit of measure (acoustics)

Pi

π

3.141592653589793 (represented as m/m)*

Informational unit of measure (mathematics)

E

e

2.718281828459045 (represented as m/m)*

Informational unit of measure (mathematics)

Percent

%

10-2

Informational unit of measure (mathematics)

Parts per million

ppm

10-6

Informational unit of measure (mathematics)

Bit

bit

1

Informational unit of measure (information science)

Octet

o

8

Informational unit of measure (information science)

Shannon

Sh

0.6931471805599453

Informational unit of measure (information science)

Natural information unit

nat

1

Informational unit of measure (information science)

Hartley

Hart

2.302585092994045

Informational unit of measure (information science)

Baud

Bd

1 s-1

Informational unit of measure (information science)

Erlang

E

1 (represented as s/s)

Informational unit of measure (information science)

Var

var

1 m2 kg s-3

German unit, SI tolerant

Degrees Fahrenheit

°F

5/9 K + 255.37

US unit, use in SI not recommended

Degrees Rankine

°Ra

5/9 K

US unit, use in SI not recommended