Colin James Physics - Physics data.

Factor

Name

Symbol

10^-24

yocto

y

10^-21

zepto

z

10^-18

atto

a

10^-15

femto

f

10^-12

pico

p

10 ^-9

nano

n

10 ^-6

micro

m

10 ^-3

milli

m

10 ^-2

centi

c

10 ^-1

deci

d

10 ¹

deca

da

10 ²

hecto

h

10 ³

kilo

k

10 ⁶

mega

M

10 ⁹

giga

G

10 ¹²

tera

T

10 ¹⁵

peta

P

10 ¹⁸

exa

E

10 ²¹

zetta

Z

10 ²⁴

yotta

Y

Factor

Name

Symbol

10^-18

atto

a

10 ^-2

centi

c

10 ¹

deca

da

10 ^-1

deci

d

10 ¹⁸

exa

E

10^-15

femto

f

10 ⁹

giga

G

10 ²

hecto

h

10 ³

kilo

k

10 ⁶

mega

M

10 ^-6

micro

m

10 ^-3

milli

m

10 ^-9

nano

n

10 ¹⁵

peta

P

10^-12

pico

p

10 ¹²

tera

T

10^-24

yocto

y

10 ²⁴

yotta

Y

10^-21

zepto

z

10 ²¹

zetta

Z

Base quantity name

Base quantity symbol

SI base unit name

SI base unit symbol

length

l, x, r, etc.

metre

m

mass

m

kilogram

kg

time, duration

t

second

s

electric current

I, i

ampere

A

thermodynamic temperature

T

kelvin

K

amount of substance

n

mole

mol

luminous intensity

I_v

candela

cd

Quantity

Name

Symbol

area

square metre

m²

volume

cubic metre

m³

speed, velocity

metre per second

m s^-1

acceleration

metre per second squared

m s^-2

wave number

reciprocal metre

m^-1

density, mass density

kilogram per cubic metre

kg m^-3

surface density

kilogram per square metre

kg m^-2

specific volume

cubic metre per kilogram

m^-3 kg^-1

current density

ampere per square metre

A m^-2

magnetic field strength

ampere per metre

A m^-1

concentration (of amount of substance)

mole per cubic metre

mol m^-3

luminance

candela per square metre

cd m^-2

Quantity

Name

Symbol

In terms of other SI units

In terms of SI base units

plane angle

radian

rad

1

m m^-1

solid angle

steradian

sr

1

m² m^-2

frequency

hertz

Hz

s^-1

force

newton

N

m kg s^-2

pressure, stress

pascal

Pa

N/m² = N m^-2

m^-1 kg s^-2

energy, work, amount of heat

joule

J

N m

m² kg s^-2

power, radiant flux

watt

W

J/s = J s^-1

m² kg s^-3

electric charge, amount of electricity

coulomb

C

s A

electric potential difference, electromotive force

volt

V

W/A = W A^-1 or J C^-1

m² kg s^-3 A^-1

capacitance

farad

F

C/V = C V^-1

m^-2 kg^-1 s⁴ A²

electric resistance

ohm

V/A = V A^-1

m² kg s^-3 A^-2

electric conductance

siemens

S

A/V = A V^-1

m^-2 kg^-1 s³ A²

magnetic flux

weber

Wb

V s

m² kg s^-2 A^-1

magnetic flux density

tesla

T

Wb/m² = Wb m^-2

kg s^-2 A^-1

inductance

henry

H

Wb/A = Wb A^-1

m² kg s^-2 A^-2

Celsius temperature

degree Celsius

°C

K

luminous flux

lumen

lm

cd sr

cd

illuminance

lux

lx

lm/m² = lm m^-2

m^-2 cd

activity referred to a radionuclide

becquerel

Bq

s^-1

absorbed dose, specific energy (imparted), kerma

gray

Gy

J/kg = J kg^-1

m² s^-2

dose equivalent, ambient dose equivalent, directional dose equivalent, personal dose equivalent

sievert

Sv

J/kg = J kg^-1

m² s^-2

catalytic activity

katal

kat

s^-1 mol

Quantity

Name

Symbol

In terms of SI base units

dynamic viscosity

pascal second

Pa s

m^-1 kg s^-1

moment of force

newton metre

N m

m² kg s^-2

surface tension

newton per metre

N/m = N m^-1

kg s^-2

angular velocity

radian per second

rad/s = rad s^-1

m m^-1 s^-1 = s^-1

angular acceleration

radian per second squared

rad/s² = rad s^-2

m m^-1 s^-2 = s^-2

heat flux density, irradiance

watt per square metre

W/m² = W m^-2

kg s^-3

heat capacity, entropy

joule per kelvin

J/K = J K^-1

m² kg s^-2 K^-1

specific heat capacity, specific entropy

joule per (kg kelvin)

J/(kg K) = J kg^-1 K^-1

m² s^-2 K^-1

specific energy

joule per kilogram

J/kg = J kg^-1

m² s^-2

thermal conductivity

watt per metre kelvin

W/(m K) = W m^-1 K^-1

m kg s^-3 K^-1

energy density

joule per cubic metre

J/(m³) = J m^-3

m^-1 kg s^-2

electric field strength

volt per metre

V/m = V m^-1

m kg s^-3 A^-1

electric charge density

coulomb per cubic metre

C/m³ = C m^-3

m^-3 s A

surface charge density

coulomb per square metre

C/m² = C m^-2

m^-2 s A

electric flux density, electric displacement

coulomb per square metre

C/m² = C m^-2

m^-2 s A

permittivity

farad per metre

F/m = F m^-1

m^-3 kg^-1 s⁴ A²

permeability

henry per metre

H/m = H m^-1

m kg s^-2 A^-2

molar energy

joule per mole

J/mol = J mol^-1

m² kg s^-2 mol^-1

molar entropy, molar heat capacity

joule per mole kelvin

J/(mol K) = J (mol K)^-1

m² kg s^-2 K^-1 mol^-1

exposure (x-rays and gamma(g)-rays)

coulomb per kilogram

C/kg = C kg^-1

kg^-1 s A

absorbed dose rate

gray per second

Gy/s = Gy s^-1

m² s^-3

radiant intensity

watt per steradian

W/sr = W sr^-1

m² kg s^-3

radiance

watt per square metre steradian

W/(m² sr) = W (m² sr)^-1

kg s^-3

catalytic activity concentration

katal per cubic metre

kat/m³ = kat m^-3

m^-3 s^-1 mol