Mayar da kWh zuwa J kilowatt-awa ↔ joule Kyauta A kan layi Amintacce
Ku rubuta ƙima a kilowatt-awa ku karanta ta a joule nan take. Ma'aunin daidai ne bisa ayyanawa, lissafin yana faruwa a cikin burauzarku, kuma ba a aika komai ko'ina ba.
Ba a ɗora komai ba
Ƙimomin da aka fi amfani da su — Mayar da kWh zuwa J (kilowatt-awa ↔ joule)
| kWh | J |
|---|---|
| 1 | 3600000 |
| 2 | 7200000 |
| 3 | 10800000 |
| 5 | 18000000 |
| 10 | 36000000 |
| 20 | 72000000 |
| 50 | 180000000 |
| 100 | 360000000 |
Daga ina waɗannan ma'aunai suka fito
Makamashi ya tara ma'auni daga kowane fanni da ya gano shi da kansa. Joule shi ne na SI kuma mafi sauƙi: newton da ke aiki a tsawon mita. Calorie ya fito daga nazarin zafi kuma an bayyana shi ta hanyar dumama ruwa da digiri ɗaya — shi ya sa akwai da dama daga cikinsu, ya danganta da digirin da kuka fara daga; thermochemical calorie, daidai 4.184 J, shi ne wanda ake amfani da shi a nan. Kilowatt hour ba ma'aunin masanin kimiyyar lissafi ba ne ko kaɗan amma na mai lissafin kuɗi ne: kilowatt da aka ɗauka tsawon awa ɗaya, ta haka ake sayar da wutar lantarki. BTU ɗan uwansa ne na Birtaniya, wanda aka gina daga pound da digirin Fahrenheit, kuma har yanzu yana tafiyar da sana'ar dumama da sanyaya a duniya.
Inda kuke haɗuwa da su
Joule na kimiyyar lissafi ne da kuma alamomin abinci a wajen ƙasashen masu magana da Turanci. Kilowatt hours suna zuwa a kowace takardar kuɗin wutar lantarki kuma suna bayyana ƙarfin batir, daga waya zuwa mota. BTU yana auna na'urorin sanyaya iska, bolar ruwan zafi da kayan aikin gas kusan a ko'ina, har da ƙasashen da gaba ɗaya suke amfani da metric. Calories — a zahiri kilocalories — su ne ke mulkin abinci mai gina jiki, wanda shi ne wuri ɗaya da sunan ma'aunin yake kuskure da ninki dubu a kai a kai.
Tambayoyin da mutane ke yi
Me ya sa kilowatt-awa ba kilowatt kawai ba ne?
Saboda ɗaya gudu ne ɗayan kuma adadi ne. Kilowatt shi ne yadda makamashi ke gudana da sauri — kettle yana ɗaukar kusan biyu daga ciki. Kilowatt-awa shi ne abin da za ka samu idan wannan gudana ya ci gaba na awa ɗaya, kuma shi ne abin da mita ke ƙirgawa kuma lissafin kuɗi ke caji. Amfani da kettle na 2 kW na tsawon mintuna shida yana cinye 0.2 kWh; kunna fitila ta 10 W duk rana yana cinye kusan daidai wannan.
Mene ne joule a harshen yau da kullum?
Joule kusan makamashin da ake buƙata ne don ɗaga ƙaramin tuffa, kusan gram 100, da mita ɗaya. Haka kuma shi ne makamashin watt ɗaya da ke gudana na daƙiƙa ɗaya, da na newton ɗaya da ke motsa wani abu mita ɗaya. Ƙaramin ma'auni ne, shi ya sa ake ƙirga makamashin gida da kilojoule, megajoule ko kilowatt-awa.
Shin amsar daidai ce?
Inda aka ayyana ma'aunai biyun ta hanyar juna da cikakkun lambobi, i — shafin yana faɗin haka a saman lambar, kuma zagaye kawai shi ne yawan lambobin da ake nunawa. Inda rabon ba shi da lambar goma mai ƙarewa, shafin yana nuna muhimman lambobi goma sha biyu kuma yana cewa alaƙar kintace ce maimakon ya yi kamar ba haka ba ne.
Shin wani abu da na rubuta yana barin na'urata?
A'a. Ana yin lissafin a cikin burauzarku; ba a ɗora komai ba, kuma babu uwar garke da za a ɗora zuwa gare ta. Ku buɗe shafin sau ɗaya zai ci gaba da aiki ko da an kashe hanyar sadarwa.
Kilowatt-hour zuwa joule: ajiyar grid, sufurin lantarki da manyan masana'antu
Ana sayar da wutar lantarki a kilowatt-hour, amma masanin kimiyyar lissafi, mai ƙera batir ko mai tsara grid dole ne ya kwatanta ta da mai, da ruwa mai faɗuwa da halayen sinadarai, kuma duk ana ƙirga su a joule. Batirin gida na 13.5 kWh, tashar ajiyar ruwa ta pumped-storage ta 9 GWh da amfanin shekara na masana'antar ƙarfe duk suna sauka a ma'auni ɗaya idan an canza su. Don canza kWh zuwa J, ninka da 3,600,000: 1 kWh 3.6 MJ ne, 60 kWh 216 MJ ne kuma 1 MWh 3.6 GJ ne. Na'urar lissafi ta sama tana ninkawa yayin da kake rubutu, kuma sassan da ke ƙasa suna kai ka daga batirin mota zuwa grid na ƙasa.
Shafin yana ba da ƙa'idar tare da misalai masu aiki, taƙaitaccen bayani game da kowace raka'a, kwatance da kuma dogon jerin misalai daga ajiya, sufuri da masana'antu, sannan kura-kuran da ake yawan yi. Lissafin yana gudana a cikin burauzarka kuma ba a aika komai da ka rubuta zuwa ko'ina. Don lissafin kuɗi, koyaushe ka dogara da mitarka da mai samar maka da wuta.
Yadda ake canza kWh zuwa J: ninka da 3,600,000
Ƙa'idar
Kilowatt-hour shi ne ƙarfin da nauyin 1,000 W ke amfani da shi yana aiki na awa ɗaya: 1,000 W × 3,600 s = 3,600,000 J. Don canza kWh zuwa J, ninka kilowatt-hour da 3,600,000. 0.5 kWh yana ba da 1,800,000 J, 7.5 kWh yana ba da 27,000,000 J kuma 100 kWh yana ba da 360,000,000 J. Don komawa baya, raba joule da 3,600,000.
Misalai masu aiki
Kettle ta lantarki da ke ɗumama lita ɗaya na ruwa tana amfani da 0.093 kWh, wato 334,800 J. Zagayen na'urar wanke kwano na 1 kWh 3.6 MJ ne. Batirin waya na 15 Wh, ko 0.015 kWh, yana ɗauke da 54,000 J.
Ma'auni daidai
Lambar ta fito kai tsaye daga ma'anar awa da watt, don haka ba ta ɗauke da zagayewa. Matsalar kawai ita ce yawan sifili, shi ya sa ake amfani da MJ, GJ da TJ.
Gwajin duba da sauri
Amsar a joule ta ninka adadin kWh sau miliyan 3.6. Idan lissafin “canza kWh zuwa J” ya ba da lamba ƙarama fiye da wadda ka fara da ita, to ka raba ne maimakon ka ninka.
Kilowatt-hour
Raka'ar da ke kan takardar lissafi
Kilowatt-hour yana auna kuma yana ƙayyade farashin wutar lantarki ga gidaje, kamfanoni da grid. Mitarka tana ƙirga kWh, kuma ana faɗin farashi ga kowane kWh. Haka kuma ita ce raka'ar da ake ƙididdige batir da tashoshin ajiya da ita.
Inda yake bayyana
Takardun lissafin wutar lantarki, bayanan batir, ƙididdigar grid da alamun na'urorin gida.
Joule
Raka'ar SI ta ƙarfi
Joule shi ne ƙarfin watt ɗaya da ke aiki na daƙiƙa ɗaya. Kowace ƙididdiga ta kimiyyar lissafi da ta shafi ƙarfi, daga ƙarfin motsi zuwa zafin halayen sinadarai, tana ba da joule, don haka ana buƙatar canji daga kWh duk lokacin da takardun lissafi suka haɗu da dabaru.
Inda yake bayyana
Kimiyyar lissafi, sinadarai, lissafin injiniya da ka'idojin ƙasa da ƙasa.
kWh da joule
kWh ɗaya 3,600,000 J ne, don haka lambar a joule ta fi girma sau miliyan 3.6. 0.1 kWh 360,000 J ne, yayin da 1,000 kWh joule biliyan 3.6 ne, ko 3.6 GJ. Duka raka'o'in biyu suna auna ƙarfi ɗaya; ma'auni ne kaɗai ya bambanta.
Canjin daidai ne kuma ba ya ɓoye zagayewa. Babban tarko shi ne yawan sifili: sifili ɗaya fiye ko ƙasa yana canza sakamakon sau goma.
Inda canjin yake bayyana
Batirin gida da motoci
Batirin gida na 13.5 kWh yana adana 48.6 MJ. Ƙaramar motar lantarki tana ɗauke da 40 kWh, 144 MJ, samfurin iyali 60 kWh, 216 MJ, kuma motar saloon mai dogon zango 100 kWh, 360 MJ. Lissafin “canza kWh zuwa J” yana sanya su a ma'auni ɗaya da tankin mai da ake aunawa a megajoule.
Ajiyar grid
Babbar tashar batir ta 194 MWh tana ɗauke da 698 GJ. Batirin kwantena na kamfanin wuta na 3.9 MWh yana ɗauke da 14 GJ. Tashoshin pumped-storage suna adana fiye da haka: wadda ke da 9.1 GWh tana ɗauke da 32.8 TJ, kuma mafi girma, kusa da 24 GWh, 86 TJ.
Manyan masana'antu
Yin kilogiram ɗaya na aluminium yana buƙatar kusan 14 kWh, 50 MJ, kuma tan ɗaya na ƙarfe a tanderun electric arc kusan 400 kWh, 1.44 GJ. Tace mita cubic ɗaya na ruwan teku yana buƙatar kusan 3 kWh, 10.8 MJ.
Yawan ƙarfi na batir
Ƙwayar lithium-ion tana adana kusan 250 Wh ga kowane kilogiram, wato 900 kJ/kg. Fetur yana ɗauke da 12,000 Wh/kg, 43 MJ/kg, kusan sau hamsin fiye da haka a nauyi. Lissafin “canza kWh zuwa J” yana bayyana dalilin da ya sa jirgin sama mai batir yake da wuya sosai: 100 kWh na batir yana auna kilogiram 400, yayin da ƙarfi ɗaya a mai yake auna kilogiram 8.
Caja masu sauri da famfon mai
Caja mai sauri ta 150 kW tana ba da 150 kWh a awa ɗaya, don haka cikin mintuna 20 tana shigar da 50 kWh, 180 MJ. Famfon fetur da ke ƙwarara lita 35 a minti ɗaya yana motsa 1.18 GJ a minti ɗaya, daidai da 19.7 MW. Shi ya sa famfon ya fi kowace caja sauri sosai, kuma shi ya sa lissafin “canza kWh zuwa J” a kan duka biyun ke bayyana gibin a fili.
Maganaɗison LHC
Maganaɗison superconducting na Large Hadron Collider suna adana kusan 10.4 GJ na ƙarfin maganaɗisu, wato 2,890 kWh, kusan wutar lantarkin iyali na shekara guda. Hasken da ke gudana da kansa yana ɗauke da 362 MJ, 100 kWh. Dole ne a cire ƙarfin maganaɗison lafiya idan quench ya faru.
Guguwar hurricane
Zafin da condensation ke fitarwa a cikin hurricane da ta balaga kusan 6 × 10¹⁴ W ne, wanda cikin yini ɗaya yake 5.2 × 10¹⁹ J, 1.4 × 10¹³ kWh. Wannan kusan rabin amfanin wutar lantarki na duniya a shekara ne, da guguwar ke kashewa kowace rana. Ba kasafai ake amfani da kilowatt-hour don irin waɗannan lambobi ba, ana amfani da joule.
Kekunan e-bike
Batirin keken lantarki na 0.5 kWh yana adana 1.8 MJ kuma yana ɗaukar mahayi kusan kilomita 60. Wannan 30 kJ ne ga kowane kilomita, 8 Wh/km, kashi ɗaya cikin goma na ƙarfin kowane kilomita na ƙaramar motar lantarki. Mai keke da ke tuƙi da 100 W na awa ɗaya yana ƙara 0.1 kWh, 360 kJ.
Asarar standby da rashin aiki
Na'urorin da ke standby suna jan 5 W suna amfani da 43.8 kWh a shekara, 158 MJ. Gida mai irin waɗannan na'urori ashirin yana ɓata 876 kWh, 3.2 GJ, cikin watanni 12. Amfanin standby ƙarami ne ga kowace na'ura amma yana da muhimmanci a ƙasa mai miliyoyin gidaje.
Hasken titi
Fitilar titi ta 150 W da ke ci na awanni 4,000 a shekara tana amfani da 600 kWh, 2.16 GJ. Maye gurbinta da LED na 50 W yana tanadin 400 kWh, 1.44 GJ, a shekara. Birni mai fitilu 50,000 zai tanadi 20 GWh, 72 TJ, a hasken titi.
Gajeriyar hanyar tunani
Idan kana buƙatar lissafin “canza kWh zuwa J” a bayan envelope, ninka da 3.6 ka kira sakamakon megajoule. 2 kWh ya zama 7.2 MJ, 15 kWh ya zama 54 MJ, kuma 150 kWh ya zama 540 MJ. Ga Wh, ninka da 3.6 ka kira shi kilojoule.
Dabarun spreadsheet
Don canza kWh zuwa J a spreadsheet, sanya ƙarfin a kWh a ginshiƙi A kuma rubuta =A2*3600000 a ginshiƙi B. Don akasin haka, =B2/3600000. Ginshiƙi mai =A2*3.6 yana ba da megajoule, wanda ke sa sakamakon ya zama mai sauƙin karantawa.
Zagayewa da daidaito
Mitocin gida suna da daidaito na kashi 1 ko 2 cikin ɗari. Idan ka canza kWh zuwa J don takardar lissafi, lambobi uku sun isa: 234 kWh 842 MJ ne. Riƙe kowace lamba ba ya ƙara komai ga bayanin.
Alamomin da za a haddace
0.001 kWh 3,600 J ne. 0.01 kWh 36,000 J ne. 0.1 kWh 360,000 J ne. 1 kWh 3.6 MJ ne. 10 kWh 36 MJ ne. 100 kWh 360 MJ ne. 1,000 kWh 3.6 GJ ne. Yi amfani da waɗannan don canza kWh zuwa J da ido.
Bas da manyan motocin lantarki
Bas ɗin birni na lantarki yana ɗauke da 300 kWh, 1.08 GJ, kuma babbar motar jigilar kaya ta lantarki mai dogon zango 600 zuwa 800 kWh, 2.2 zuwa 2.9 GJ. Babbar mota da ke amfani da 1.5 kWh ga kowane kilomita, 5.4 MJ/km, tana iya tafiyar kilomita 400 zuwa 500 da caji ɗaya kafin ta buƙaci hutu.
Tsanin tunani
0.05 kWh 180,000 J ne. 0.3 kWh 1.08 MJ ne. 3 kWh 10.8 MJ ne. 24 kWh 86.4 MJ ne. 200 kWh 720 MJ ne. 500 kWh 1.8 GJ ne. 2,500 kWh 9 GJ ne. 5,000 kWh 18 GJ ne. Tebur irin wannan yana sa dubawa ya zama da sauri.
Dubawa ta juyawa
Don duba sakamakon lissafin “canza kWh zuwa J”, raba amsar da 3,600,000. Idan 5 kWh ya zama 18,000,000 J, rabawa yana dawo da 5. Gwaji na biyu shi ne girma: lambar joule tana da lambobi shida fiye.
Alaƙa da kalori da BTU
kWh ɗaya 860 kcal ne, 3,412 BTU da 3.6 MJ. kWh biyu 1,721 kcal ne, 6,824 BTU da 7.2 MJ. Don kwatance da tsofaffin takardu ko na Amurka, wucewa ta MJ yana kiyaye lissafin lafiya.
Zaman caji a joule
Direba yana haɗa caji a kashi 12 cikin ɗari kuma ya cire a kashi 80 cikin ɗari na batir na 75 kWh, yana ƙara 51 kWh. A joule wannan 51 × 3,600,000 = 183.6 MJ ne. A 100 kW zaman yana ɗaukar kusan mintuna 31. Raba ƙarfin da lokaci yana dawo da 100 kW, duba mai amfani a kan lissafin “canza kWh zuwa J”.
Ƙarfin ƙololuwa da na matsakaici
Gini na iya kaiwa ƙololuwa na 500 kW alhali yana amfani da 120 kW kawai a matsakaici. A rana ɗaya matsakaicin nauyin yana amfani da 2,880 kWh, 10.4 GJ. Kamfanonin wuta suna caji don ƙololuwar, a kW, da kuma ƙarfin, a kWh. Joule ba komai ba ne illa watt-second, don haka duka biyun suna cikin ƙididdigar.
Jiragen ruwa na lantarki
Babban jirgin ruwa na lantarki yana ɗauke da batir na kusan 4 MWh, 14.4 GJ, wanda ya isa ya tsallaka mashigin ruwa na kilomita 20 sau da yawa tsakanin caji. Caji yana ɗaukar mintuna 10 a tashar jirgi da haɗin megawatt. Injiniyoyin jiragen ruwa suna aiki a kWh da MJ.
Mutane a matsayin injina
Mai keke da aka horar zai iya ɗaukar 250 W na awa ɗaya, 0.25 kWh ko 900 kJ, yayin da babba mai cin abinci sosai yake ɗaukar 8.4 MJ a rana. Ƙololuwar ƙarfin mutum cikin ƴan daƙiƙu ya fi 1,500 W, amma ƙarfin ƙarami ne: 1.5 kW na daƙiƙa goma 15 kJ ne, 0.004 kWh kawai.
Hanyoyi biyu zuwa amsa ɗaya
Za ka iya tafiya daga kWh zuwa joule kai tsaye da 3,600,000, ko ta MJ: ninka da 3.6 sannan da 1,000,000. Idan sakamakon bai yarda ba, an kwafi lamba ɗaya ba daidai ba.
Cryogenics da iskar gas ta ruwa
Mai da kilogiram ɗaya na iskar gas ta halitta ruwa yana buƙatar kusan 0.3 zuwa 0.5 kWh, 1.1 zuwa 1.8 MJ, kuma kilogiram ɗaya na nitrogen kusan 0.4 kWh, 1.4 MJ. Don haka masana'anta da ke yin tan 10,000 na nitrogen mai ruwa a shekara tana amfani da 4 GWh, 14 TJ. Injiniyoyin tsari suna faɗin kWh ga kowace tan, wanda ya dace da takardar lissafin wutar lantarki.
Fitar da ruwa da samar da shi
Ɗaga mita cubic ɗaya na ruwa da mita 100 yana buƙatar aƙalla 981 kJ, 0.27 kWh, kuma famfo na gaske suna amfani da kusan 0.4 kWh saboda asara. Gari mai mutane 100,000 da ke amfani da lita 150 kowanne a rana yana ɗaga mita cubic 15,000, don haka lissafin fitar da ruwa kusan 6,000 kWh ne, 21.6 GJ, a rana, wanda ya isa ya mamaye amfanin ƙarfi na gundumar, kuma shi ne dalilin da ya sa kamfanonin ruwa ke zuba jari sosai a famfo masu inganci da rage zubewa daga tsofaffin bututu.
Jiragen ƙasa da tram
Jirgin ƙasa mai gudu sosai da ke tafiya a 300 km/h yana amfani da ƙarfi na kusan 8 zuwa 10 MW. A awa ɗaya wannan 8 zuwa 10 MWh ne, 29 zuwa 36 GJ. Tram na zamani yana amfani da 3 zuwa 5 kWh ga kowane kilomita, 11 zuwa 18 MJ/km. Masu gudanar da layin dogo suna bayar da rahoto a kWh ga kowane fasinja-kilomita.
Man jirgin sama
Jirgin fasinja mai dogon zango yana ƙona kusan tan 100 na mai a babban tafiya, a 43 MJ/kg, wato 4.3 TJ, ko 1.2 GWh. Batir da zai ɗauki ƙarfi ɗaya zai auna tan 4,800 a yawan ƙarfin yau. Kwatancen yana bayyana jinkirin tashi mai nisa na lantarki.
Cibiyoyin bayanai
Cibiyar bayanai da ke jan 10 MW tana cinye 87,600 MWh a shekara, 315 TJ. Manyan wuraren cloud suna amfani da 100 MW ko fiye, 3.15 PJ a shekara. Masu gudanarwa suna faɗin amfani a MWh da GWh, yayin da masanin kimiyyar lissafi zai canza zuwa joule don kwatanta da sauran nau'ikan amfani da ƙarfi.
Hydrogen kore
Samar da kilogiram ɗaya na hydrogen ta electrolysis yana buƙatar kusan 50 kWh, 180 MJ, kuma iskar tana ɗauke da 120 MJ, 33.3 kWh, don haka zagayen tafiya da dawowa yana da inganci na kusan kashi biyu cikin uku. Mayar da ita wutar lantarki a fuel cell yana sake rage ta rabi. Waɗannan canje-canje suna bayyana dalilin da ya sa ake amfani da hydrogen ga sassan da ba za a iya sanya lantarki a cikinsu kai tsaye ba.
Madatsun ruwan teku
Tashar wutar lantarki ta kwararar ruwan teku a bakin kogin Rance, mai 240 MW da aka kafa, tana ba da kusan 500 GWh a shekara, wato 1.8 PJ. Injinan ruwan teku irin wannan suna aiki ta bangarori biyu. Fitarsu ana iya hasashe zuwa minti, ba kamar iska ba, kuma masu gudanar da su suna faɗinta a GWh.
Tashoshin nukiliya
Reactor na 700 MW da ke aiki na yini cikakke yana samar da 16.8 GWh, 60.5 TJ. A shekara ɗaya a samuwa na kashi 90 cikin ɗari yana samar da 5.5 TWh, 19.9 PJ. Man da ake buƙata tan goma-goma ne na uranium, wanda ƙarfinsa a joule ya fi na kwal yawa ƙwarai ga fitarwa ɗaya.
Supercomputer
Babban supercomputer yana jan 20 zuwa 30 MW. A shekara ɗaya wannan 175,000 zuwa 260,000 MWh ne, 630 zuwa 950 TJ. Masu gudanar da shi suna kula da kilowatt-hour kamar yadda suke kula da gudu, domin kuɗin wutar lantarki a shekaru biyar na iya kusantar farashin saye.
Ƙarin ƙimomi don canza kWh zuwa J
Jerin canje-canje mafi tsayi
Idan ƙimar da kake buƙata ba ta cikin jerin farko, waɗannan ƙarin canje-canje na iya kusantar isa a karanta kai tsaye:
- 0.1 kWh = 360,000 J
- 0.5 kWh = 1,800,000 J
- 3 kWh = 10,800,000 J
- 4 kWh = 14,400,000 J
- 7 kWh = 25,200,000 J
- 15 kWh = 54,000,000 J
- 20 kWh = 72,000,000 J
- 75 kWh = 270,000,000 J
- 200 kWh = 720,000,000 J
- 500 kWh = 1,800,000,000 J
- 2,000 kWh = 7,200,000,000 J
- 10,000 kWh = 36,000,000,000 J
Kura-kurai na yau da kullum da lissafin “canza kWh zuwa J”
Rabawa da miliyan 3.6
Daga kWh zuwa joule lambar tana girma. Idan 5 kWh ya zama 0.0000014, ka raba ne maimakon ka ninka.
Rikita kW da kWh
Kilowatt ƙarfi ne, kilowatt-hour kuzari ne. Na'urar 2 kW tana amfani da 2 kWh ne kawai idan ta yi aiki na awa ɗaya. Karanta raka'ar da ke kan alamar a hankali.
Wh da kWh
Wh ya ninka kWh ƙanƙanta sau dubu. Batirin waya na 15 Wh shi ne 0.015 kWh, ba 15 kWh ba. Kuskuren raka'a yana ba da kuzari wanda ya ninka girmansa sau dubu.
Gajerun amsoshi
Yaya zan canza kWh zuwa J?
Ninka kWh da 3,600,000.
Joule nawa ne 1 kWh?
Daidai 3,600,000 J.
Joule nawa ne 10 kWh?
36,000,000 J, ko 36 MJ.
kWh nawa ne joule miliyan ɗaya?
0.278 kWh.
Lambata tana barin na'urata?
A'a, lissafin yana gudana a cikin burauzarka.
Ƙarin shafuka da kammalawa
Don sauran canje-canjen ƙarfi duba Canza kWh zuwa BTU, Canza kWh zuwa cal, Canza cal zuwa J, Canza J zuwa cal, Canza km zuwa mi, Canza mi zuwa km, Canza °C zuwa °F, Canza °F zuwa °C, Canza yd³ zuwa m³. Akasin wannan shafi shi ne Canza J zuwa kWh.
A taƙaice, lissafin “canza kWh zuwa J” yana komawa ga ninkawa da 3,600,000 da rubuta raka'ar kusa da amsar. Ana lissafa lambarka a cikin na'urarka, ba tare da asusu ba kuma ba tare da loda ba.