Appendix of Dimensions

Alphabetical Listing

 

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

 

E

Measurement

Description

Fundamental

Quantity

SP

Dimensions

SI unit

Reference

earth-rate unit

angular velocity

frequency

(-1,0,0)

radian per second

RR

eddy mass diffusivity

.

electrical
potential

(-1,2,0)

.

CRC F364

eddy viscosity

kinematic viscosity

electrical
potential

(-1,2,0)

sq meter per second

CRC F93, F378

effective mass

mass

mass

(0,0,1)

kilogram

AIP 39

effective neutron cycle time

time

time

(1,0,0)

second

CRC F93

effective radiation

power per area

radiance

(-3,0,1)

watt per sq meter

CRC F93

einstein temperature

temperature

energy

(-2,2,1)

kelvin

AIP 46

einstein unit

molar energy

energy

(-2,2,1)

joule per mole

RR

el

distance

distance

(0,1,0)

meter

RR

elastic limit

stress

pressure

(-2,-1,1)

pascal

CRC F93

elastic modulus

stress

pressure

(-2,-1,1)

pascal

CRC B214, F93, F363; M 3-52

elasticity tensor

.

pressure

(-2,-1,1)

pascal

AIP 38

electric charge

electric charge

electric charge

(-1,0,1)

coulomb

AIP 39; CRC F134, F283, F313; MH 2415

electric charge density

volume charge density

electrical
conductivity

(-1,-3,1)

coulomb per cu meter

AIP 45; CRC F377

electric current

electric current

electric current

(-2,0,1)

ampere

AIP 41; CRC F282, F313, F360; M 1-18, 15-3

electric current density

.

pressure gradient

(-2,-2,1)

ampere per sq meter

AIP 38

electric dipole moment

electric dipole moment

momentum

(-1,1,1)

coulomb meter

AIP 39; AQ 28; CRC E59, F91, F285; Sz 58, 680

electric dipole potential

electric potential difference

electrical
potential

(-1,2,0)

volt

AQ 28; Sz 58, 680

electric displacement

charge per area

electrical
potential

(-1,2,0)

coulomb per sq meter

AIP 41

electric field

electric field

velocity

(-1,1,0)

newton per coulomb

AIP 41

electric field intensity

electric field

velocity

(-1,1,0)

newton per coulomb

CRC F94

electric field strength

electric field

velocity

(-1,1,0)

newton per coulomb

CRC F283; M 1-18; MH 2416; Sz 58, 677

electric flux

electric charge

electric charge

(-1,0,1)

coulomb

AIP 47; AQ 28; Sz 58, 680

electric flux density

conductance

conductance

(-1,-2,1)

coulomb per sq meter

AQ 28; Sz 58, 680

electric polarizability

electric polarizability

mass

(0,0,1)

coulomb sq meter per volt

AIP 44

electric polarization

.

conductance

(-1,-2,1)

coulomb per sq meter

AIP 43

electric potential

electric potential difference

electrical
potential

(-1,2,0)

volt

AIP 43; CRC F134, F283, F313, F360; M 1-18; MH 2415

electric resistance

resistance

resistance

(1,2,-1)

ohm

CRC F134, F283, F313; M 1-18; MH 2416

electric susceptibility

proportion

number

(0,0,0)

unity

AIP 46 wikipedia

electrochemical equivalent

mass per electric charge

time

(1,0,0)

kilogram per coulomb

CRC F94

electrolytic conductivity

.

electrical
conductivity

(-1,-3,1)

siemens per meter

AIP 45

electromagnetic energy density

energy density

pressure

(-2,-1,1)

joule per cu meter

AIP 40

electromagnetic moment

.

energy

(-2,2,1)

.

Sz 58

electromagnetic momentum density

poynting vector per c squared

conductance

(-1,-2,1)

.

AIP 77

electromotive force

electric potential difference

electrical
potential

(-1,2,0)

volt

AIP 41; AQ 28; CRC F94, F134, F313; M 1-18, 15-3

electron affinity

energy

energy

(-2,2,1)

joule

CRC E65, F95

electron cyclotron circular frequency

.

.

.

.

CRC F329

electron diffusion coefficient

.

.

.

.

CRC F330

electron emission

.

pressure gradient

(-2,-2,1)

ampere per sq meter

CRC E407

electron emission coefficient

.

.

.

.

CRC F330

electron number density

.

volume concentration

(0,-3,0)

per cu meter

AIP 39

electron plasma circular frequency

.

.

.

.

CRC F329

electron quadrupole moment

.

area

(0,2,0)

sq meter

CRC E82

electron temperature

.

.

.

.

CRC F329

electronic stopping power

specific stopping power

mass stopping power

(-2,4,0)

joule per meter kilogram

NIST

electronvolt

energy

energy

(-2,2,1)

joule

CRC F285, F349, F360; RR

ell

distance

distance

(0,1,0)

meter

CRC F349; RR

elle

distance

distance

(0,1,0)

meter

RR

elongation

proportion

number

(0,0,0)

unity

CRC F95

em

distance

distance

(0,1,0)

meter

RR

emissive power

.

.

.

.

CRC F95

emissivity

proportion

number

(0,0,0)

unity

AIP 44; CRC E209, F95

emittance (1)

power per area

radiance

(-3,0,1)

watt per sq meter

CRC F95

emittance (2)

proportion

number

(0,0,0)

unity

CRC F95

en

distance

distance

(0,1,0)

meter

RR

energy

energy

energy

(-2,2,1)

joule

AIP 41; CRC F134, F283, F313; M 1-18, 3-52

energy density

energy density

pressure

(-2,-1,1)

joule per cu meter

periodic table

energy fluence rate

energy per area second

radiance

(-3,0,1)

watt per sq meter

AIP 46; Sz 59, 686

energy flux density

energy per area second

radiance

(-3,0,1)

watt per sq meter

Sz 59, 686

energy gap

energy

energy

(-2,2,1)

joule

AIP 41

energy of particle

.

.

.

.

CRC F329

engler degree

kinematic viscosity

electrical
potential

(-1,2,0)

sq meter per second

RR

enthalpy (1)

specific enthalpy

specific energy

(-2,2,0)

joule per kilogram

CRC D173, E25, F10

enthalpy (2)

enthalpy

energy

(-2,2,1)

joule per mole

CRC F65

enthalpy (3)

enthalpy

energy

(-2,2,1)

joule

AIP 41; Sz 57, 676

entropy

proportion

number

(0,0,0)

joule per kelvin

AIP 43; CRC F65; M 1-18; Sz 57, 674

enzyme unit

.

n per mole sec???

.

.

RR

eon

time

time

(1,0,0)

second

RR

eotvos unit

.

acceleration

(-2,1,0)

meter per sq second

RR

ephah

volume

volume

(0,3,0)

cu meter

RR

epoch

time

time

(1,0,0)

second

RR

equillibrium constant

proportion

number

(0,0,0)

unity

AIP 42

equivalent conductivity

conductivity per density

frequency

(-1,0,0)

cu meter siemens per meter kilogram

CRC F87

equivalent weight

mass per valence

mass

(0,0,1)

kilogram

CRC F96

erg

energy

energy

(-2,2,1)

joule

CRC F284, F349; RR

erlang

time

time

(1,0,0)

second

RR

escape velocity

velocity

velocity

(-1,1,0)

meter per second

CRC F96

estadio

distance

distance

(0,1,0)

meter

RR

etto

mass

mass

(0,0,1)

kilogram

RR

evaporation

evaporation

conductance

(-1,-2,1)

kilogram per sq meter second

CRC E407

exchange integral

.

energy

(-2,2,1)

joule

AIP 42

excitance

power per area

radiance

(-3,0,1)

watt per sq meter

CRC F97

exposure

exposure

frequency

(-1,0,0)

coulomb per kilogram

AIP 44; CRC F316, F360

extent of reaction

.

.

.

.

CRC F329

extinction cross section

cross section

area

(0,2,0)

sq meter

CRC F97, F123

 

 

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

 

Notes:

1) Repitious modifications of the same measurement (i.e.:mega-, milli-, micro-; free, rotational, ...) may not be reiterated.

2) Statistics units may not be included.

3) The following abreviations are used: sq = square, cu = cubic.

 

References:

1) AIP = E. Richard cohen, The Physics Quick Reference guide, 1996, American Institute of Physics.

2) AQ = C. W. Allen, Astrophysical quantities second edition, 1963, The Athlone Press University of London.

3) CRC = CRC Handbook of chemistry and Physics 70th edition, 1989, CRC Press.

4) M = Mark's Standard Handbook for Mechanical Engineers ninth edition, 1978, McGraw-Hill.

5) MH = Machinery's Handbook 23rd edition, 1988, Industrial Press.

6) RR = Russ Rowlett's (web-based) Dictionary of Units of Measurement.

7) Sz = T. Szirtes, Applied dimensional analysis and Modeling, 1998, McGraw-Hill.

8) S&H = H. Poincare', Science and Hypothesis (translated 1905, Dover 1952)