How to add a plural to a lower case abbreviation?





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The average Arizona home uses 1,129 kWh of electricity a month or
13,548 kWh a year.




kWh is an abbreviation for kilowatt hour. How do I express kilowatt hours? Maybe kWh(s)? It would look strange as kWhs.



Also,




The average retail price for residential electricity in Arizona is
11.90 cents per kWh.




Do I need the "per" kWh? Is the word per already assumed?










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  • 1. Don't mix symbols and written-out units (cents per kilowatt hours). 2. Yes, you need the "per". 3. Don't use plurals with symbols. 4. There are plenty of style guides and examples of this on the web. Please do some research before asking here. Show your research and explain what you don't understand about what you found out.
    – Phil Sweet
    2 hours ago










  • As Phil said, 3. Don't use plurals with symbols. Done.
    – Kris
    5 mins ago

















up vote
0
down vote

favorite













The average Arizona home uses 1,129 kWh of electricity a month or
13,548 kWh a year.




kWh is an abbreviation for kilowatt hour. How do I express kilowatt hours? Maybe kWh(s)? It would look strange as kWhs.



Also,




The average retail price for residential electricity in Arizona is
11.90 cents per kWh.




Do I need the "per" kWh? Is the word per already assumed?










share|improve this question






















  • 1. Don't mix symbols and written-out units (cents per kilowatt hours). 2. Yes, you need the "per". 3. Don't use plurals with symbols. 4. There are plenty of style guides and examples of this on the web. Please do some research before asking here. Show your research and explain what you don't understand about what you found out.
    – Phil Sweet
    2 hours ago










  • As Phil said, 3. Don't use plurals with symbols. Done.
    – Kris
    5 mins ago













up vote
0
down vote

favorite









up vote
0
down vote

favorite












The average Arizona home uses 1,129 kWh of electricity a month or
13,548 kWh a year.




kWh is an abbreviation for kilowatt hour. How do I express kilowatt hours? Maybe kWh(s)? It would look strange as kWhs.



Also,




The average retail price for residential electricity in Arizona is
11.90 cents per kWh.




Do I need the "per" kWh? Is the word per already assumed?










share|improve this question














The average Arizona home uses 1,129 kWh of electricity a month or
13,548 kWh a year.




kWh is an abbreviation for kilowatt hour. How do I express kilowatt hours? Maybe kWh(s)? It would look strange as kWhs.



Also,




The average retail price for residential electricity in Arizona is
11.90 cents per kWh.




Do I need the "per" kWh? Is the word per already assumed?







grammatical-number abbreviations






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asked 3 hours ago









mathewbruens

1083




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  • 1. Don't mix symbols and written-out units (cents per kilowatt hours). 2. Yes, you need the "per". 3. Don't use plurals with symbols. 4. There are plenty of style guides and examples of this on the web. Please do some research before asking here. Show your research and explain what you don't understand about what you found out.
    – Phil Sweet
    2 hours ago










  • As Phil said, 3. Don't use plurals with symbols. Done.
    – Kris
    5 mins ago


















  • 1. Don't mix symbols and written-out units (cents per kilowatt hours). 2. Yes, you need the "per". 3. Don't use plurals with symbols. 4. There are plenty of style guides and examples of this on the web. Please do some research before asking here. Show your research and explain what you don't understand about what you found out.
    – Phil Sweet
    2 hours ago










  • As Phil said, 3. Don't use plurals with symbols. Done.
    – Kris
    5 mins ago
















1. Don't mix symbols and written-out units (cents per kilowatt hours). 2. Yes, you need the "per". 3. Don't use plurals with symbols. 4. There are plenty of style guides and examples of this on the web. Please do some research before asking here. Show your research and explain what you don't understand about what you found out.
– Phil Sweet
2 hours ago




1. Don't mix symbols and written-out units (cents per kilowatt hours). 2. Yes, you need the "per". 3. Don't use plurals with symbols. 4. There are plenty of style guides and examples of this on the web. Please do some research before asking here. Show your research and explain what you don't understand about what you found out.
– Phil Sweet
2 hours ago












As Phil said, 3. Don't use plurals with symbols. Done.
– Kris
5 mins ago




As Phil said, 3. Don't use plurals with symbols. Done.
– Kris
5 mins ago










1 Answer
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1
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Technically, "kWh" is an initialism for both "kilowatt hour" and "kilowatt hours". The one that applies depends on whether you're referring to more than one, e.g.



1 kWh = 1 kilowatt hour; and
2 kWh = 2 kilowatt hours.



the "per" is not assumed, but you can replace it with a "/", e.g.



10c per kWh; or
10c/kWh.



edit: for what it's worth, I found a similar question in the physics forum of the stackexchange site.



https://physics.stackexchange.com/questions/172039/usage-of-singular-or-plural-si-base-units-when-written-in-both-symbol-as-well-as






share|improve this answer










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Nima is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.


















  • Always cite your sources. See the FAQ. Good Luck.
    – Kris
    2 mins ago













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down vote













Technically, "kWh" is an initialism for both "kilowatt hour" and "kilowatt hours". The one that applies depends on whether you're referring to more than one, e.g.



1 kWh = 1 kilowatt hour; and
2 kWh = 2 kilowatt hours.



the "per" is not assumed, but you can replace it with a "/", e.g.



10c per kWh; or
10c/kWh.



edit: for what it's worth, I found a similar question in the physics forum of the stackexchange site.



https://physics.stackexchange.com/questions/172039/usage-of-singular-or-plural-si-base-units-when-written-in-both-symbol-as-well-as






share|improve this answer










New contributor




Nima is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.


















  • Always cite your sources. See the FAQ. Good Luck.
    – Kris
    2 mins ago

















up vote
1
down vote













Technically, "kWh" is an initialism for both "kilowatt hour" and "kilowatt hours". The one that applies depends on whether you're referring to more than one, e.g.



1 kWh = 1 kilowatt hour; and
2 kWh = 2 kilowatt hours.



the "per" is not assumed, but you can replace it with a "/", e.g.



10c per kWh; or
10c/kWh.



edit: for what it's worth, I found a similar question in the physics forum of the stackexchange site.



https://physics.stackexchange.com/questions/172039/usage-of-singular-or-plural-si-base-units-when-written-in-both-symbol-as-well-as






share|improve this answer










New contributor




Nima is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.


















  • Always cite your sources. See the FAQ. Good Luck.
    – Kris
    2 mins ago















up vote
1
down vote










up vote
1
down vote









Technically, "kWh" is an initialism for both "kilowatt hour" and "kilowatt hours". The one that applies depends on whether you're referring to more than one, e.g.



1 kWh = 1 kilowatt hour; and
2 kWh = 2 kilowatt hours.



the "per" is not assumed, but you can replace it with a "/", e.g.



10c per kWh; or
10c/kWh.



edit: for what it's worth, I found a similar question in the physics forum of the stackexchange site.



https://physics.stackexchange.com/questions/172039/usage-of-singular-or-plural-si-base-units-when-written-in-both-symbol-as-well-as






share|improve this answer










New contributor




Nima is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.









Technically, "kWh" is an initialism for both "kilowatt hour" and "kilowatt hours". The one that applies depends on whether you're referring to more than one, e.g.



1 kWh = 1 kilowatt hour; and
2 kWh = 2 kilowatt hours.



the "per" is not assumed, but you can replace it with a "/", e.g.



10c per kWh; or
10c/kWh.



edit: for what it's worth, I found a similar question in the physics forum of the stackexchange site.



https://physics.stackexchange.com/questions/172039/usage-of-singular-or-plural-si-base-units-when-written-in-both-symbol-as-well-as







share|improve this answer










New contributor




Nima is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.









share|improve this answer



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edited 3 hours ago





















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answered 3 hours ago









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Check out our Code of Conduct.






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Check out our Code of Conduct.












  • Always cite your sources. See the FAQ. Good Luck.
    – Kris
    2 mins ago




















  • Always cite your sources. See the FAQ. Good Luck.
    – Kris
    2 mins ago


















Always cite your sources. See the FAQ. Good Luck.
– Kris
2 mins ago






Always cite your sources. See the FAQ. Good Luck.
– Kris
2 mins ago




















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