Metric System - Variants

Variants

A number of variants of the metric system evolved, all using the Mètre des Archives and Kilogramme des Archives (or their descendants) as their base units, but differing in the definitions of the various derived units.

Variants of the metric system
Quantity CGS MKS MTS
distance, displacement, length, height, etc.
(d, x, l, h, etc.)
 centimetre (cm) metre (m) metre
mass (m) gram (g) kilogram (kg) tonne (t)
time (t) second (s) second second
speed, velocity (v, v) cm/s m/s m/s
acceleration (a) gal (Gal) m/s2 m/s2
force (F) dyne (dyn) newton (N) sthene (sn)
pressure (P or p) barye (Ba) pascal (Pa) pieze (pz)
energy (E, Q, W) erg (erg) joule (J) kilojoule (kJ)
power (P) erg/s watt (W) kilowatt (kW)
viscosity (µ) poise (p) Pa·s pz·s

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