energy (electro) conversion table

7/29/2019 Energy (ELECTRO) Conversion Table

1/6

Energy

1 KiloWatthour (kWh) = 3.6 MegaJoules (MJ)

1 KiloWatthour (kWh) = 3412 British Thermal Units (BTU)

1 KiloWatthour (kWh) = 859.2 kilocalories (kcal)

1 Joule (J) = 1 Watt Second

1 Joule (J) = 1 Newton-Metre (N-m)

1 Joule (J) = 0.1026 Metre-Kilogram (mkg)

1 Joule (J) = 6.24 x 1012

Million electronVolts (MeV)

1 GigaJoule (GJ) = 277.8 KiloWatthours (kWh)

1 Calorie (cal) = 4.19002 Joules (J)

1 British Thermal Unit (BTU) = 1055 Joules (J)

1 Therm = 100,000 BTU

1 Therm = 29.3 kWh

1 Quadrillion BTU (Quad) = 1015

BTU

1 Quadrillion BTU (Quad) = 2.931 x 1011

KiloWatthours (KWh)

1 Ton of Oil Equivalent (toe) = 42 GigaJoules (GJ)

1 Ton of Oil Equivalent (toe) = 11.6 MegaWatthours (MWh) [SeeNote 1below]

1 GigaWatthour (GWh) = 86 Tons of Oil Equivalent (toe)

1 TeraWatthour (TWh) = 1 Billion KiloWatthours (KWh)

1 Electron Volt (eV) = 1.6 X 10-19

Joules (J)

1MeV = 1.07 X 10-3

amu(Mass to Energy Conversion)

Energy Density / Calorific Content

1 KiloWatthour/Kilogram (kWh/Kg) = 3.6 GigaJoules/tonne (GJ/tonne)

Power

1 Watt (W) = 1 Joule/Second (J/s)

1 Watt (W) = 3.7 BTU per hour (BTU/h)

1 Watt (W) = 668 Lumens [SeeNote 2below]

1 MegaWatt (MW) = 1000 Watts (W) [SeeNote 3below]

1 Horse Power (hp) = 746 Watts (W)

0 decibel (dB) = 1 Power ratio (Note logarithmic scale)
http://www.mpoweruk.com/conversion_table.htm#note1http://www.mpoweruk.com/conversion_table.htm#note1http://www.mpoweruk.com/conversion_table.htm#note1http://www.mpoweruk.com/conversion_table.htm#amuhttp://www.mpoweruk.com/conversion_table.htm#amuhttp://www.mpoweruk.com/conversion_table.htm#amuhttp://www.mpoweruk.com/conversion_table.htm#lumenshttp://www.mpoweruk.com/conversion_table.htm#lumenshttp://www.mpoweruk.com/conversion_table.htm#lumenshttp://www.mpoweruk.com/conversion_table.htm#epowerhttp://www.mpoweruk.com/conversion_table.htm#epowerhttp://www.mpoweruk.com/conversion_table.htm#epowerhttp://www.mpoweruk.com/conversion_table.htm#epowerhttp://www.mpoweruk.com/conversion_table.htm#lumenshttp://www.mpoweruk.com/conversion_table.htm#amuhttp://www.mpoweruk.com/conversion_table.htm#note1


2/6

3 dB = 2 Power ratio

10 db = 10 Power ratio

1 milliWatt (mW) = 0 dBm Relative power (Note logarithmic scale)

100 milliWatts (mW) = 20 dBm

1 microWatt (W) = -30 dBm

1 femto Watt (fW) = 10-15

Watts

Acceleration

1 metre per second per second (m/s2) = 3.281 feet per second per second (ft/s

2)

Gravitational Constant (G) (At the Earth's surface)

9.80665 (m/s2) = 32.174 (ft/s

2)

Weight

1 Ton (t) = 2240 Pounds (lb)

1 Kilogram (Kg) = 2.2 Pounds (lb)

1 Kilogram (Kg) = 9.807 Newtons (N) On the Earth's surface

1 Stone = 6.35 Kilograms (Kg)

1 Ounce (Oz) = 28.35 Grams (g)

1 Atomic Mass Unit (amu) = 1.67377 X 10-27 Kilogram (Kg)

1 Atomic Mass Unit (amu) = 931.5 MeV (Mass to Energy Conversion)

Force

1 Newton (N) = 0.102 Kilograms-Force (kgf)

1 Newton (N) = 0.22 Pound-Force (lbf)

1 Poundal = 0.138 Newtons (N)

1 Poundal = 0.031 Pound-Force (lbf)

Torque

1 Newton-Metre (N.M) = 0.102 kilogram-Force.Metres (kgf.m)

1 Newton-Metre (N.M) = 0.738 FootPounds-Force (ft.lbf)

Electric Charge

1 Coulomb (C) = 6.25 X 1018

Electrons (e)

1 AmpHour (Ah) = 3600 Coulombs (C)

Electric Current


3/6

1 Amp (A) = 1 Coulomb per Second (C/s)

Electric Voltage

1 Volt (V) = 1 Joule per Coulomb (J/C)

Frequency / Wavelength

1 MegaHertz (MHz) = 300 metres (M)

Flow Rate

1 Litre per Second = 792 Gallons (Imp) per Hour (gal/hr)

Distance

1 Mile = 1.6 Kilometers (km)

1 Metre (m) = 39.4 Inches (in)

1 Inch (in) = 2.54 centimetres (cm)

1 Thousandth of an Inch (thou) = 25.4 Microns

1 Micrometre (Micron) = 10-3

(0.001) Millimetres (mm)

1 Nanometre = 10-6

Millimetres (mm)

1 Angstrom = 10-7

Millimetres (mm)

Atomic Diameter = 1 Angstrom (Approximately)

1 Nautical Mile (nm) = 1.1508 Miles (m)

Area

1 Square Metre (m2) = 10.76 Square Feet (sq.ft)

1 Hectare (ha) = 10,000 Square Metres (m2)

1 Hectare (ha) = 2.47 Acres (acre)

1 Acre (acre) = 4840 Square Yards (sq yd)

1 Square Mile (mile2) = 640 Acres (acre)

1 Square Mile (mile2) = 2.59 Square Kilometres (km

2)

1 Square Kilometre (km2) = 100 Hectares (ha)

Volume

1 Cubic Metre (m3) = 1,000 Litres (l)

1 Litre (l) = 1,000,000 (mm3)

1 Gallon (Imperial) (gal) = 4.55 Litres (l)

1 Gallon (Imperial) (gal) = 1.2 Gallons (US) (gal)


4/6

1 Barrel (US Oil) (bbl) = 42 Gallons (US Liq) (gal)

Velocity

1 Metre per second (m/s) = 2.24 miles per hour (mph)

1 Mile per Hour (mph) = 1.61 Kilometres per Hour (km/hr)

1 Knot (knot) = 1.15 Miles per Hour (mph)

Rotational Speed

1 Revolution per minute (rpm) = 0.105 Radians per second (rad/sec)

Pressure

1 bar or atm (atmospheric pressure) = 14.5 Pounds per Square Inch (psi)

1 bar = 100,000 Pascals (Pa)

1 Pound per Square Inch (psi) = 6895 Newtons per Square Meter (N/m2)

1 Pascal (Pa) = 1 Newton per Square Meter (N/m2)

1 Megapascal (MPa) = 145 Pounds per Square Inch (psi)

Fuel Consumption

30 Miles per Gallon (Imperial)(mpg) = 9.42 Litres/100 Kilometers (l/100km)

Radiation Activity (Radiotiactive Decay)

1 Becquerel (Bq) =Material quantity producing

1 Nuclear decays/second

1 Curie (Ci) (Obsolete) = 3.7 X 1010

Becquerel (Bq)

Radiation Dose

1 Gray (Gy) = 1 Joule/Kilogram (J/Kg)

1 Radiation Absorbed Dose (rad)

(Obsolete)

=0.01 Gray (Gy)

1 Rntgen (R) (Obsolete) = 258 X 10-6Coulombs per Kilogram of Air (C/Kg)

1 Gray (Gy) = 115 Rntgen (R)

1 Sievert (Sv) = 1 Gray X Q (Gy) [SeeNote 4below]

1 Rntgen Equivalent Man (rem) (Obsolete) =0.01 Sieverts (Sv) [SeeNote 4below]

Amounts

Avogadros Number (NA) = 6.02214179 X 1023

1Mole (n) = Contains NA particles
http://www.mpoweruk.com/conversion_table.htm#sieverthttp://www.mpoweruk.com/conversion_table.htm#sieverthttp://www.mpoweruk.com/conversion_table.htm#sieverthttp://www.mpoweruk.com/conversion_table.htm#sieverthttp://www.mpoweruk.com/conversion_table.htm#sieverthttp://www.mpoweruk.com/conversion_table.htm#sieverthttp://www.mpoweruk.com/glossary.htm#avogadrohttp://www.mpoweruk.com/glossary.htm#avogadrohttp://www.mpoweruk.com/glossary.htm#avogadrohttp://www.mpoweruk.com/glossary.htm#avogadrohttp://www.mpoweruk.com/glossary.htm#molehttp://www.mpoweruk.com/glossary.htm#molehttp://www.mpoweruk.com/glossary.htm#molehttp://www.mpoweruk.com/glossary.htm#molehttp://www.mpoweruk.com/glossary.htm#avogadrohttp://www.mpoweruk.com/conversion_table.htm#sieverthttp://www.mpoweruk.com/conversion_table.htm#sievert


5/6


6/6

Nano 109 Billionth

Pico 1012

Trillionth

Femto 1015

Quadrillionth

Atto 1018 Quintillionth

Zepto 1021

Sextillionth

Yocto 1024

Septillionth

Constants and Definitions

Some Physical Constants

Speed of Light (c) = 300 X 106

metres/second (m/s)

Permeability of vacuum

(0)

=4 X 10

-7Newtons/square Ampere (N/A

2) or Henries/metre (H/m)

Permitivity of vacuum (0) = 8.8 X 10-12

Farads/metre (F/m)

Avogadro's Constant(NA) = The number of atoms in 12 grams of carbon-12 = ( 6.022 X

1023

)

Also - The number of entities in a mole of those entities.

1 Mole - (mol) = A unit representing an amount of substance which contains 6.022

X 1023

entities (atoms, molecules, ions, electrons etc.)

Electron Charge(e) = 1.6 X 10-19

Coulombs

Faraday Constant(F) = The amount of electric charge in one mole of electrons NA X e =

9.650 X 104Coulombs/mole (C/mol)

Electron Mass = 9.1 X 10-31

Kg

Boltzmann's Constant(k) = The kinetic energy of one molecule of an ideal gas + 1.38 X 10-

23Joules/degree Kelvin (J/K)

Planck's Constant(h) = 6.63 X 10-34

Joule seconds (Js)

= 4.14 X 10-15 eV seconds (eVs)
http://www.mpoweruk.com/history.htm#moleculehttp://www.mpoweruk.com/history.htm#moleculehttp://www.mpoweruk.com/history.htm#oildrophttp://www.mpoweruk.com/history.htm#oildrophttp://www.mpoweruk.com/history.htm#electrolysislawhttp://www.mpoweruk.com/history.htm#electrolysislawhttp://www.mpoweruk.com/history.htm#oildrophttp://www.mpoweruk.com/history.htm#oildrophttp://www.mpoweruk.com/history.htm#boltzmannhttp://www.mpoweruk.com/history.htm#boltzmannhttp://www.mpoweruk.com/history.htm#planckhttp://www.mpoweruk.com/history.htm#planckhttp://www.mpoweruk.com/history.htm#planckhttp://www.mpoweruk.com/history.htm#boltzmannhttp://www.mpoweruk.com/history.htm#oildrophttp://www.mpoweruk.com/history.htm#electrolysislawhttp://www.mpoweruk.com/history.htm#oildrophttp://www.mpoweruk.com/history.htm#molecule

energy (electro) conversion table

Documents