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==Key Stage 4==
===Meaning===
'''Megajoules''' ('''MJ''') are a [[unit]] of [[energy]] 1,000,000 times larger than the [[SI Unit]] of the [[joulesJoule]]s.
===About Megajoules===
: '''Megajoules''' are shortened to '''MJ''' with an upper case M and an upper case J.
| style="height:20px; width:200px; text-align:center;" |'''Megajoules'''
|-
| style="height:20px; width:200px; text-align:center;" |1 [[megajoulesmegajoule]] (1MJ)
| style="height:20px; width:200px; text-align:center;" |Convert to '''Megajoules''' x1
| style="height:20px; width:200px; text-align:center;" |1MJ
|-
| style="height:20px; width:200px; text-align:center;" |1 [[kilojouleskilojoule]] (1kJ)
| style="height:20px; width:200px; text-align:center;" |Convert to '''Megajoules''' x10<sup>-3</sup>
| style="height:20px; width:200px; text-align:center;" |1x10<sup>-3</sup>MJ
| style="height:20px; width:200px; text-align:center;" |1x10<sup>-6</sup>MJ
|-
| style="height:20px; width:200px; text-align:center;" |1 [[millijoulesmillijoule]] 1(mJ)
| style="height:20px; width:200px; text-align:center;" |Convert to '''Megajoules''' x10<sup>-9</sup>
| style="height:20px; width:200px; text-align:center;" |1x10<sup>-9</sup>MJ
|-
| style="height:20px; width:200px; text-align:center;" |1 [[microjoulesmicrojoule]] 1(µJ)
| style="height:20px; width:200px; text-align:center;" |Convert to '''Megajoules''' x10<sup>-12</sup>
| style="height:20px; width:200px; text-align:center;" |1x10<sup>-12</sup>MJ
|-
| style="height:20px; width:200px; text-align:center;" |1 [[nanojoulesnanojoule]] 1(nJ)
| style="height:20px; width:200px; text-align:center;" |Convert to '''Megajoules''' x10<sup>-15</sup>
| style="height:20px; width:200px; text-align:center;" |1x10<sup>-15</sup>MJ
|}