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General Information, Facts & Tables
[Measurement Units named after people]

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Overview

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Many of the base measurement units derive their names from the person who discovered the measurement category. 

See Also: Unit Conversions Index, Metric Measurement System, Old Weight Measures
 

SI Base Units

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Unit

Category

Person

Ampere

Electric current

André-Marie Ampère

Kelvin

Thermodynamic temperature

Lord Kelvin

 

SI Derived Units

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Unit

Category

Person

Becquerel

radioactivity

Henri Becquerel

Degree Celsius

temperature

Anders Celsius

Coulomb

electric charge

Charles-Augustin de Coulomb

Farad

capacitance

Michael Faraday

Gray

absorbed dose of radiation

Louis Harold Gray

Henry

inductance

Joseph Henry

Hertz

frequency

Heinrich Rudolf Hertz

Joule

energy, work, heat

James Prescott Joule

Newton

force

Isaac Newton

Ohm

electrical resistance

Georg Ohm

Pascal

pressure

Blaise Pascal

Siemens

electrical conductance

Werner von Siemens

Sievert

radiation dose equivalent

Rolf Sievert

Tesla

magnetic flux density

Nikola Tesla

Volt

electric potential, electromotive force

Alessandro Volta

Watt

power, radiant flux

James Watt

Weber

magnetic flux

Wilhelm Eduard Weber

 

CGM Units

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Unit

Category

Person

Gauss

magnetic induction

Carl Friedrich Gauss

Maxwell

magnetic flux

James Clerk Maxwell

Oersted

magnetic field strength

Hans Christian Orsted  *

Franklin

electric charge

Benjamin Franklin

 

Other

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Unit

Category

Person

Angstrom

distance

Anders Jonas Ångström

Bel,

relative power level

Alexander Graham Bell

Curie

radioactivity

Marie and Pierre Curie

Degree Fahrenheit

temperature

Daniel Gabriel Fahrenheit

Jansky

flux density

Karl Jansky

Neper

relative power level

John Napier

Poise

viscosity

Jean Louis Marie Poiseuille

Röntgen

dosage of X-rays or gamma radiation

Wilhelm Röntgen

Stokes

viscosity

George Gabriel Stokes

Svedberg

sedimentation rate

Theodor Svedberg

Degree Rankine

temperature

William John Macquorn Rankine

Réaumur

temperature

René Antoine Ferchault de Réaumur

Torr

pressure

Evangelista Torricelli

 

Notes

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* No longer in use