Universal Converter

megajoule

MJ exact

Definition

Dimension: Energy
Symbols: MJ
System: SI
Base factor: ×1000000
Exactness: exact

Follows from an SI or definitional identity — no material assumption.

Also known as

megajoulesmj

Sources

National Institute of Standards and Technology (NIST), US Dept. of Commerce

Common conversions

for 1 MJ

joule	1,000,000	J	exact
kilojoule	1,000	kJ	exact
gigajoule	0.001	GJ	exact
kilowatt hour	0.277778	kWh	exact
megawatt hour	0.000277778	MWh	exact
British thermal unit	947.817	BTU	standard definition
million British thermal units	0.000947817	MMBTU	standard definition
therm (US)	0.00947817	therm	standard definition
tonne of oil equivalent	0.0000238846	toe	standard definition

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What is energy? Energy is the capacity to do work — one quantity, many units (joules, watt-hours, calories, BTU).