Quantities (Types) Included in ISQ

Q

Where to get a list of quantities (types) included in ISQ?

✍: FYIcenter.com

A

There are several places you can get a list of quantities (types) included in ISQ (International System of Quantities):

"List of physical quantities" at wikipedia.com.

"ISQ System" at github.com.

Here are some commonly used quantity types with their dimensions, units and recommended symbols.

Quantity TypeSymbolDimensionIn SI Units
angleθ1rad
angular accelerationωaS-2rad/s2
angular momentumL ML2T-1kg⋅m2⋅s-1
angular speedω T-1rad/s
areaA, SL2m2
electric chargeq, QTI C = A⋅s
electric currentII A
electric potentialφ, VML2T-3I-1V = J/C
electrical resistanceRML2T-3I-2Ω = V/A
energyEML2T-2J
entropySML2T-2Θ-1J/K
frequencyfT-1Hz = s-1
kinetic energyEpML2T-2J
lengthl, LLm
magnetic fluxΦML2T-2I-1Wb
massmMkg
permeabilityμsMLT-2I-2H/m
permittivityεsM−1 L−3 T4 I2F/m
potential energyEpML2T-2J
powerPML2T-3W
pressurepML-1T-2Pa = N/m2
solid angleΩ1sr
speedvLT-1m/s
temperatureTΘK
timetT s
torqueτML2T-2N⋅M
volumeVL3m3
wavelengthλLm
weightWMLT-2N = kg⋅m⋅s-2
workWML2T-2J

 

⇒ Quantity Expressed with Value and Unit

⇐ Non-SI Units Included in ISQ

⇑ ISO/IEC 80000 - Quantities and units

⇑⇑ MathML (Mathematical Markup Language)

2026-10-28, ∼1965🔥, 0💬