SI Unit Conversion ChartSI Unit Conversion ChartSI Unit Conversion Chart
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SI UNITS CONVERSION TABLE (the units added {

} is permitted to use)

Kinds of Quantity

Symbol of Unit [Definition]

Units avoid using

(Name of Unit)

(a prefix added example)

(Relation to SI units)

Length

m

(metre)

(km, mm, μm, nm)

Area

Å(=10-10 m=0.1 nm)

m2
(cm2, mm2, μm2)

Volume

m3
(dm3, cm3, mm3)

mL(=10-6 m3=cm3)

{L(=10-3 m3=dm3)}
Mass
(kilogramme)

kg
(Mg, g, mg, μg)
{t(=103 kg=Mg)}

Density

kg/m3
(Mg/m3)

Time
(second)

g/cm3(=103 kg/m3=Mg/m3)

s

1-y≒31.556926×106 s

(Ms, ks, ms, μs)

(≒365.2422 d)

{min(=60 s)}
{h(=3.6 ks)}
{d(=86.4 ks)}
Frequency
(hertz)

Hz [s-1]
(GHz, MHz, kHz)

Wave Number

m-1

Speed

m/s

Acceleration

m/s2

Diffusion Coefficient
Kinematic Viscosity
Power

(pascal)

cm-1(=102 m-1)

m2/s

St(=10-4 m2/s=cm2/s)

N [kg・m/s2]

dyn(=10-5 N=10 μN)