# MKS system of units

**MKSMKS systemmetre–kilogram–second systemMetre–kilogram–second system of unitsMKS unitsmeter–kilogram–secondmetre, kilogram and secondmetre–kilogram–secondMKS-basedMKSA**

The MKS system of units is a physical system of measurement that uses the metre, kilogram, and second (MKS) as base units.wikipedia

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### System of measurement

**Systems of measurementsystem of unitsHistorical weights and measures**

The MKS system of units is a physical system of measurement that uses the metre, kilogram, and second (MKS) as base units.

These include gravitational systems, the centimetre–gram–second systems (cgs) useful in science, the metre–tonne–second system (mts) once used in the USSR and the metre–kilogram–second system (mks).

### International System of Units

**SISI unitsSI unit**

The metre and kilogram system served as the basis for the development of the International System of Units (abbreviated SI), which now serves as the international standard.

It is based on the metre–kilogram–second system of units (MKS) rather than any variant of the CGS.

### Kilogram

**kgmgmilligram**

The MKS system of units is a physical system of measurement that uses the metre, kilogram, and second (MKS) as base units.

In 1935 this was adopted by the IEC as the Giorgi system, now also known as MKS system,

### Second

**ssecmegasecond**

The MKS system of units is a physical system of measurement that uses the metre, kilogram, and second (MKS) as base units.

BAAS formally proposed the CGS system in 1874, although this system was gradually replaced over the next 70 years by MKS units.

### Giovanni Giorgi

**GiorgiGiorgi SystemGiorgi, Giovanni**

In 1901, Giovanni Giorgi proposed to the (AEI) that this system, extended with a fourth unit to be taken from the units of electromagnetism, be used as an international system.

In 1901, Giorgi proposed to the (AEI) that the MKS system (which used the metre, kilogram and second as its fundamental units) should be extended with a fourth unit to be chosen from the units of electromagnetism, solving also the presence of the irrational coefficients.

### Centimetre–gram–second system of units

**CGScgs unitsCGS unit**

Adopted in 1889, use of the MKS system of units succeeded the centimetre–gram–second system of units (CGS) in commerce and engineering.

The CGS system has been largely supplanted by the MKS system based on the metre, kilogram, and second, which was in turn extended and replaced by the International System of Units (SI).

### Foot–pound–second system

**British Gravitational Systemfoot-pound-secondfoot–pound–second**

When the pound is used as a unit of mass, the core of the coherent system is similar and functionally equivalent to the corresponding subsets of the International System of Units (SI), using metre, kilogram and second (MKS), and the earlier centimetre–gram–second system of units (CGS).

### Metre–tonne–second system of units

**Metre–tonne–second systemmtsMTS unit**

### Metre

**metermmetres**

### Base unit (measurement)

**base unitbase unitsfundamental quantity**

### Commerce

**commercialcommerciallybusiness**

Adopted in 1889, use of the MKS system of units succeeded the centimetre–gram–second system of units (CGS) in commerce and engineering.

### Engineering

**engineerengineersengineered**

Adopted in 1889, use of the MKS system of units succeeded the centimetre–gram–second system of units (CGS) in commerce and engineering.

### Erg

**dune seaergs**

If the same calculation is done using CGS units the answer is in ergs (1 erg = joules).

### Electromagnetism

**electromagneticelectrodynamicselectromagnetic force**

In 1901, Giovanni Giorgi proposed to the (AEI) that this system, extended with a fourth unit to be taken from the units of electromagnetism, be used as an international system.

### George Ashley Campbell

**George CampbellGeorge A. CampbellCampbell**

This system was strongly promoted by electrical engineer George A. Campbell.

### Wavenumber

**wave numberangular wavenumbercm −1**

### Ampere-turn

**At**

The ampere-turn (At) is the MKS (Metres, Kilograms, Seconds) unit of magnetomotive force (MMF), represented by a direct current of one ampere flowing in a single-turn loop in a vacuum.

### Gaussian units

**Gaussiancgs-Gaussian unitsGaussian-cgs units**

The main alternative to the Gaussian unit system is SI units, historically also called the MKSA system of units for metre–kilogram–second–ampere.

### Introduction to Electrodynamics

This book uses SI units (the mks convention) exclusively.

### FFF system

**Furlong/Firkin/Fortnight (FFF)**

Like the SI or metre–kilogram–second systems, there are derived units for velocity, volume, mass and weight, etc.

### European units of measurement directives

**Directive 80/181/EEC80/181/EECEEC Directive 71/354/EEC**

As of 2009, the European Union had issued two units of measurement directives: In 1971 it issued Directive 71/354/EEC which required EU member states to standardise on the International System of Units (SI) rather than use a variety of CGS and MKS units then in use.

### Drift velocity

**driftdrift speeddrift velocities**

In the MKS system these quantities' units are m/s, m 2 /(V·s), and V/m, respectively.

### Newton (unit)

**kNnewtonN**

In 1946, Conférence Générale des Poids et Mesures (CGPM) Resolution 2 standardized the unit of force in the MKS system of units to be the amount needed to accelerate 1 kilogram of mass at the rate of 1 metre per second squared.