Archive:000/Energy units - Revision history

Elie: Elie moved page Energy units to Archive:000/Energy units without leaving a redirect: Huge_refactor

2024-10-26T20:29:41Z

Elie moved page Energy units to Archive:000/Energy units without leaving a redirect: Huge_refactor

← Older revision	Revision as of 16:29, 26 October 2024
(No difference)

Elie: Elie moved page Energy/units to Energy units: Subpage architecture is unnecessary

2023-05-20T22:57:31Z

Elie moved page Energy/units to Energy units: Subpage architecture is unnecessary

← Older revision	Revision as of 18:57, 20 May 2023
(No difference)

Elie: /* Energy/units */

2022-10-07T15:03:56Z

Energy/units

← Older revision		Revision as of 11:03, 7 October 2022
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	~~=Energy/units=~~

	''Physicists'' measure [[energy]] in ''joules'', because a joule is based entirely on metric units {{x\|kg * m<sup>2</sup> / s<sup>2</sup>}}. But a joule is a bit too small for the kinds of calculations we do on this wiki.		''Physicists'' measure [[energy]] in ''joules'', because a joule is based entirely on metric units {{x\|kg * m<sup>2</sup> / s<sup>2</sup>}}. But a joule is a bit too small for the kinds of calculations we do on this wiki.

Elie: /* Energy/units */

2022-10-07T14:54:54Z

Energy/units

← Older revision		Revision as of 10:54, 7 October 2022
Line 1:		Line 1:
	=Energy/units=		=Energy/units=

	''Physicists'' measure [[energy]] in ''joules'', because a joule is based entirely on metric units {{x\|kg * m<sup>2</sup> / s<sup>2</sup>}}. But a joule is a bit too small for the kinds of calculations we do on this wiki. ~~Here are some other energy units for comparison:~~		''Physicists'' measure [[energy]] in ''joules'', because a joule is based entirely on metric units {{x\|kg * m<sup>2</sup> / s<sup>2</sup>}}. But a joule is a bit too small for the kinds of calculations we do on this wiki.

			Here are some other energy units for comparison:
	{\|class="wikitable"		{\|class="wikitable"
	!Unit		!Unit
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	\|calorie (lowercase)		\|calorie (lowercase)
	\|4		\|4
	\|This is '''not''' the unit for measuring food. This is an old outdated unit.~~<br />~~<br /><small>~~''Formal~~ definition~~:''<br />~~The amount of energy needed to heat 1 gram of water up by 1 degree Celsius.</small>		\|This is '''not''' the unit for measuring food. This is an old outdated unit.<br /><small>{{p2\|(show formal definition)\|The amount of energy needed to heat 1 '''gram''' of water up by 1 degree Celsius.}}</small>
	\|-		\|-
	\|kilojoule		\|kilojoule
Line 30:		Line 31:
	\|[[Term:kalories\|kalorie]]<br /><br />kcal<br /><br />kilocalorie<br /><br />Calorie (uppercase)		\|[[Term:kalories\|kalorie]]<br /><br />kcal<br /><br />kilocalorie<br /><br />Calorie (uppercase)
	\|4,184		\|4,184
	\|'''This is''' the unit used for measuring [[food]] energy ~~- for~~ example, "A diet of 2000 Calories".<br /><br /><small>~~''Formal~~ definition~~:''<br />~~The amount of energy needed to heat 1 ''kilogram'' of water up by 1 degree Celsius.</small>		\|'''This is''' the unit used for measuring [[food]] energy.<br /><br />For example, "A diet of 2000 Calories" (which would be 8,368,000 joules).<br /><br /><small>{{p2\|(show formal definition of unit)\|The amount of energy needed to heat 1 '''kilogram''' of water up by 1 degree Celsius.}}</small>
	\|-		\|-
	\|megajoule		\|megajoule

Elie: Created page with "=Energy/units= ''Physicists'' measure energy in ''joules'', because a joule is based entirely on metric units {{x|kg * m² / s²}}. But a joule is a bit too small for the kinds of calculations we do on this wiki. Here are some other energy units for comparison: {|class="wikitable" !Unit !Joules !Note |- |watt second |1 |Electrical ''power'' is often measured in ''watts''. A watt is the same as ''1 joule per second''. |- |calorie (lowercase) |4 |..."

2022-10-07T14:38:29Z

Created page with "=Energy/units= ''Physicists'' measure energy in ''joules'', because a joule is based entirely on metric units {{x|kg * m2 / s2}}. But a joule is a bit too small for the kinds of calculations we do on this wiki. Here are some other energy units for comparison: {|class="wikitable" !Unit !Joules !Note |- |watt second |1 |Electrical ''power'' is often measured in ''watts''. A watt is the same as ''1 joule per second''. |- |calorie (lowercase) |4 |..."

New page

=Energy/units=

''Physicists'' measure [[energy]] in ''joules'', because a joule is based entirely on metric units {{x|kg * m2 / s2}}. But a joule is a bit too small for the kinds of calculations we do on this wiki. Here are some other energy units for comparison:

{|class="wikitable"
!Unit
!Joules
!Note
|-
|watt second
|1
|Electrical ''power'' is often measured in ''watts''. A watt is the same as ''1 joule per second''.
|-
|calorie (lowercase)
|4
|This is '''not''' the unit for measuring food. This is an old outdated unit. ''Formal definition:'' The amount of energy needed to heat 1 gram of water up by 1 degree Celsius.
|-
|kilojoule
|1,000
|
|-
|BTU
|1,055
|British Thermal Unit (used for heating, typically).
|-
|watt hour
|3,600
|Used in battery specs.
|-
|[[Term:kalories|kalorie]] kcal kilocalorie Calorie (uppercase)
|4,184
|'''This is''' the unit used for measuring [[food]] energy - for example, "A diet of 2000 Calories". ''Formal definition:'' The amount of energy needed to heat 1 ''kilogram'' of water up by 1 degree Celsius.
|-
|megajoule
|1,000,000
|
|-
|kilowatt hour
|3,600,000
|Used on [[electricity]] bills. {{todo|example of something that would use that much energy}}
|-
|gallon gasoline
|131,881,980
|The amount of energy you'd get from burning 1 gallon of gasoline.
|-
|gigajoule
|1,000,000,000
|Enough energy to power a house for a week or two.
|-
|terajoule
|1,000,000,000,000
|
|-
|petajoule
|1,000,000,000,000,000
|Enough energy to power 32,000 homes for a year.
|-
|Mtoe
|41,868,000,000,000,000
|The energy in 1 million tons of crude oil.
|-
|exajoule
|1,000,000,000,000,000,000
|{{todo|give example of how big it is}}
|-
|quad
|1,055,055,900,000,000,000
|A quadrillion BTU (see unit defined above)
|-
|CMO
|160,000,000,000,000,000,000
|Cubic mile of oil. This is approximately how much energy the world uses in every 3 to 4 months.
|}

If you want to do more conversions or calculations, you can use the [https://olam.wiki/calc calculator].