Femtojoules to Btus Conversion Calculator

1 femtojoule = 9.4781707774915E-19 Btus

From to

Input

Results

Input	Output	Table Chart
1 ft-lb	12 in-lb	foot pounds to inch pounds table
1 in-lb	0.113 Nm	inch pounds to newton meters table
1 Nm	0.7376 ft-lb	newton meters to foot pounds table
1 in-lb	0.0833 ft-lb	inch pounds to foot pounds table
1 ft-lb	1.3558179 Nm	foot pounds to newton meters table
1 l-atm	101.325 J	liter atmospheres to joules table
1 in-lb	15.999999461875 in-oz	inch pounds to inch ounces table
1 Nm	8.850746106833 in-lb	newton meters to inch pounds table
1 Nm	3.72506E-7 hph	newton meters to horsepower hours table
1 J	1 Nm	joules to newton meters table

Sample Energy Conversion

10 foot pound to inch pounds, the result is 120 inch pounds
10 inch pound to newton meters, the result is 1.12984825 newton meters
10 newton meter to foot pounds, the result is 7.375621755694 foot pounds
10 inch pound to foot pounds, the result is 0.8333 foot pounds
10 foot pound to newton meters, the result is 13.558179 newton meters
10 liter atmosphere to joules, the result is 1013.25 joules
10 inch pound to inch ounces, the result is 159.99999461875 inch ounces
10 newton meter to inch pounds, the result is 88.507461068334 inch pounds
10 newton meter to horsepower hours, the result is 3.725061E-6 horsepower hours
10 joule to newton meters, the result is 10 newton meters

Table Conversion

With the following tool, you can generate and print the femtojoules to Btus reference table based on your own needs. You can find a dynamic tool at femtojoules to Btus table chart (fJ to BTU) or Btus to femtojoules table chart (BTU to fJ).

Femtojoules to Btus
Btus to Femtojoules

fJ	BTU
1	= 9.4781707774915E-19
2	= 1.8956341554983E-18
3	= 2.8434512332475E-18
4	= 3.7912683109966E-18
5	= 4.7390853887458E-18
6	= 5.6869024664949E-18
7	= 6.6347195442441E-18
8	= 7.5825366219932E-18
9	= 8.5303536997424E-18
10	= 9.4781707774915E-18
11	= 1.0425987855241E-17
12	= 1.137380493299E-17
13	= 1.2321622010739E-17
14	= 1.3269439088488E-17
15	= 1.4217256166237E-17
16	= 1.5165073243986E-17
17	= 1.6112890321736E-17
18	= 1.7060707399485E-17
19	= 1.8008524477234E-17
20	= 1.8956341554983E-17
21	= 1.9904158632732E-17
22	= 2.0851975710481E-17
23	= 2.179979278823E-17
24	= 2.274760986598E-17
25	= 2.3695426943729E-17

fJ	BTU
26	= 2.4643244021478E-17
27	= 2.5591061099227E-17
28	= 2.6538878176976E-17
29	= 2.7486695254725E-17
30	= 2.8434512332475E-17
31	= 2.9382329410224E-17
32	= 3.0330146487973E-17
33	= 3.1277963565722E-17
34	= 3.2225780643471E-17
35	= 3.317359772122E-17
36	= 3.4121414798969E-17
37	= 3.5069231876719E-17
38	= 3.6017048954468E-17
39	= 3.6964866032217E-17
40	= 3.7912683109966E-17
41	= 3.8860500187715E-17
42	= 3.9808317265464E-17
43	= 4.0756134343213E-17
44	= 4.1703951420963E-17
45	= 4.2651768498712E-17
46	= 4.3599585576461E-17
47	= 4.454740265421E-17
48	= 4.5495219731959E-17
49	= 4.6443036809708E-17
50	= 4.7390853887458E-17

fJ	BTU
51	= 4.8338670965207E-17
52	= 4.9286488042956E-17
53	= 5.0234305120705E-17
54	= 5.1182122198454E-17
55	= 5.2129939276203E-17
56	= 5.3077756353952E-17
57	= 5.4025573431702E-17
58	= 5.4973390509451E-17
59	= 5.59212075872E-17
60	= 5.6869024664949E-17
61	= 5.7816841742698E-17
62	= 5.8764658820447E-17
63	= 5.9712475898196E-17
64	= 6.0660292975946E-17
65	= 6.1608110053695E-17
66	= 6.2555927131444E-17
67	= 6.3503744209193E-17
68	= 6.4451561286942E-17
69	= 6.5399378364691E-17
70	= 6.6347195442441E-17
71	= 6.729501252019E-17
72	= 6.8242829597939E-17
73	= 6.9190646675688E-17
74	= 7.0138463753437E-17
75	= 7.1086280831186E-17

fJ	BTU
76	= 7.2034097908935E-17
77	= 7.2981914986685E-17
78	= 7.3929732064434E-17
79	= 7.4877549142183E-17
80	= 7.5825366219932E-17
81	= 7.6773183297681E-17
82	= 7.772100037543E-17
83	= 7.8668817453179E-17
84	= 7.9616634530929E-17
85	= 8.0564451608678E-17
86	= 8.1512268686427E-17
87	= 8.2460085764176E-17
88	= 8.3407902841925E-17
89	= 8.4355719919674E-17
90	= 8.5303536997424E-17
91	= 8.6251354075173E-17
92	= 8.7199171152922E-17
93	= 8.8146988230671E-17
94	= 8.909480530842E-17
95	= 9.0042622386169E-17
96	= 9.0990439463918E-17
97	= 9.1938256541668E-17
98	= 9.2886073619417E-17
99	= 9.3833890697166E-17
100	= 9.4781707774915E-17

BTU	fJ
1	= 1.0550559E+18
2	= 2.1101118E+18
3	= 3.1651677E+18
4	= 4.2202236E+18
5	= 5.2752795E+18
6	= 6.3303354E+18
7	= 7.3853913E+18
8	= 8.4404472E+18
9	= 9.4955031E+18
10	= 1.0550559E+19
11	= 1.16056149E+19
12	= 1.26606708E+19
13	= 1.37157267E+19
14	= 1.47707826E+19
15	= 1.58258385E+19
16	= 1.68808944E+19
17	= 1.79359503E+19
18	= 1.89910062E+19
19	= 2.00460621E+19
20	= 2.1101118E+19
21	= 2.21561739E+19
22	= 2.32112298E+19
23	= 2.42662857E+19
24	= 2.53213416E+19
25	= 2.63763975E+19

BTU	fJ
26	= 2.74314534E+19
27	= 2.84865093E+19
28	= 2.95415652E+19
29	= 3.05966211E+19
30	= 3.1651677E+19
31	= 3.27067329E+19
32	= 3.37617888E+19
33	= 3.48168447E+19
34	= 3.58719006E+19
35	= 3.69269565E+19
36	= 3.79820124E+19
37	= 3.90370683E+19
38	= 4.00921242E+19
39	= 4.11471801E+19
40	= 4.2202236E+19
41	= 4.32572919E+19
42	= 4.43123478E+19
43	= 4.53674037E+19
44	= 4.64224596E+19
45	= 4.74775155E+19
46	= 4.85325714E+19
47	= 4.95876273E+19
48	= 5.06426832E+19
49	= 5.16977391E+19
50	= 5.2752795E+19

BTU	fJ
51	= 5.38078509E+19
52	= 5.48629068E+19
53	= 5.59179627E+19
54	= 5.69730186E+19
55	= 5.80280745E+19
56	= 5.90831304E+19
57	= 6.01381863E+19
58	= 6.11932422E+19
59	= 6.22482981E+19
60	= 6.3303354E+19
61	= 6.43584099E+19
62	= 6.54134658E+19
63	= 6.64685217E+19
64	= 6.75235776E+19
65	= 6.85786335E+19
66	= 6.96336894E+19
67	= 7.06887453E+19
68	= 7.17438012E+19
69	= 7.27988571E+19
70	= 7.3853913E+19
71	= 7.49089689E+19
72	= 7.59640248E+19
73	= 7.70190807E+19
74	= 7.80741366E+19
75	= 7.91291925E+19

BTU	fJ
76	= 8.01842484E+19
77	= 8.12393043E+19
78	= 8.22943602E+19
79	= 8.33494161E+19
80	= 8.4404472E+19
81	= 8.54595279E+19
82	= 8.65145838E+19
83	= 8.75696397E+19
84	= 8.86246956E+19
85	= 8.96797515E+19
86	= 9.07348074E+19
87	= 9.17898633E+19
88	= 9.28449192E+19
89	= 9.38999751E+19
90	= 9.4955031E+19
91	= 9.60100869E+19
92	= 9.70651428E+19
93	= 9.81201987E+19
94	= 9.91752546E+19
95	= 1.002303105E+20
96	= 1.012853664E+20
97	= 1.023404223E+20
98	= 1.033954782E+20
99	= 1.044505341E+20
100	= 1.0550559E+20

Femtojoules
Btus

Femtojoule is a unit of energy equal to 1.0E-15 joules, symbol "fJ". This unit comes from a combination of metric-prefix "femto" and SI derived unit of energy "joule".

1 fJ = 9.4781707774915E-19 BTU	femtojoules to Btus converter	femtojoules to Btus table
1 fJ = 2.3890295761862E-16 cal₁₅	femtojoules to calories [15 °C] converter	femtojoules to calories [15 °C] table
1 fJ = 2.388458966275E-16 cal_it	femtojoules to calories [I.T.] converter	femtojoules to calories [I.T.] table
1 fJ = 2.388458966275E-19 cal_nutritional	femtojoules to Calories [nutritional] converter	femtojoules to Calories [nutritional] table
1 fJ = 2.3900573613767E-16 cal_th	femtojoules to calories [thermochemical] converter	femtojoules to calories [thermochemical] table
1 fJ = 9.4781608955725E-25 dath	femtojoules to dekatherms converter	femtojoules to dekatherms table
1 fJ = 6241.5064799632 eV	femtojoules to electronvolts converter	femtojoules to electronvolts table
1 fJ = 1.0E-8 erg	femtojoules to ergs converter	femtojoules to ergs table
1 fJ = 1.0E-33 EJ	femtojoules to exajoules converter	femtojoules to exajoules table
1 fJ = 7.3756217556945E-16 ft-lb	femtojoules to foot pounds converter	femtojoules to foot pounds table
1 fJ = 1.0E-24 GJ	femtojoules to gigajoules converter	femtojoules to gigajoules table
1 fJ = 2.7777777777778E-28 GWh	femtojoules to gigawatt hours converter	femtojoules to gigawatt hours table
1 fJ = 2.3890295761862E-16 gcal	femtojoules to gram calories converter	femtojoules to gram calories table
1 fJ = 229.37104486906 E_h	femtojoules to hartrees converter	femtojoules to hartrees table
1 fJ = 3.7250614122937E-22 hph	femtojoules to horsepower hours converter	femtojoules to horsepower hours table
1 fJ = 1.4161193294652E-13 in-oz	femtojoules to inch ounces converter	femtojoules to inch ounces table
1 fJ = 8.8507461068334E-15 in-lb	femtojoules to inch pounds converter	femtojoules to inch pounds table
1 fJ = 1.0E-15 J	femtojoules to joules converter	femtojoules to joules table
1 fJ = 2.3890295761862E-19 Kgcal	femtojoules to kilogram calories converter	femtojoules to kilogram calories table
1 fJ = 1.0E-18 kJ	femtojoules to kilojoules converter	femtojoules to kilojoules table
1 fJ = 2.7777777777778E-22 kWh	femtojoules to kilowatt hours converter	femtojoules to kilowatt hours table
1 fJ = 9.8692326671601E-18 l-atm	femtojoules to liter atmospheres converter	femtojoules to liter atmospheres table
1 fJ = 0.0062 MeV	femtojoules to megaelectronvolts converter	femtojoules to megaelectronvolts table
1 fJ = 1.0E-21 MJ	femtojoules to megajoules converter	femtojoules to megajoules table
1 fJ = 2.7777777777778E-25 MWh	femtojoules to megawatthours converter	femtojoules to megawatthours table
1 fJ = 1.0E-9 µJ	femtojoules to microjoules converter	femtojoules to microjoules table
1 fJ = 1.0E-12 mJ	femtojoules to millijoules converter	femtojoules to millijoules table
1 fJ = 1.0E-6 nJ	femtojoules to nanojoules converter	femtojoules to nanojoules table
1 fJ = 1.0E-15 Nm	femtojoules to newton meters converter	femtojoules to newton meters table
1 fJ = 1.0E-30 PJ	femtojoules to petajoules converter	femtojoules to petajoules table
1 fJ = 0.001 pJ	femtojoules to picojoules converter	femtojoules to picojoules table
1 fJ = 9.4781707774915E-37 q unit	femtojoules to Q units converter	femtojoules to Q units table
1 fJ = 9.4781707774915E-34 quad	femtojoules to quads converter	femtojoules to quads table
1 fJ = 6.242E-9 TeV	femtojoules to teraelectronvolts converter	femtojoules to teraelectronvolts table
1 fJ = 1.0E-27 TJ	femtojoules to terajoules converter	femtojoules to terajoules table
1 fJ = 2.7777777777778E-31 TWh	femtojoules to terawatthours converter	femtojoules to terawatthours table
1 fJ = 2.3890295761862E-22 th	femtojoules to thermies converter	femtojoules to thermies table
1 fJ = 9.4781698791344E-24 th	femtojoules to therms converter	femtojoules to therms table
1 fJ = 3.4120842375357E-26 TCE	femtojoules to tonnes of coal equivalent converter	femtojoules to tonnes of coal equivalent table
1 fJ = 2.388458966275E-26 TOE	femtojoules to tonnes of oil equivalent converter	femtojoules to tonnes of oil equivalent table
1 fJ = 2.3900573613767E-25 t_explosive	femtojoules to tons [explosive] converter	femtojoules to tons [explosive] table
1 fJ = 2.7777777777778E-19 Wh	femtojoules to watthours converter	femtojoules to watthours table
1 fJ = 1.0E-15 Ws	femtojoules to wattseconds converter	femtojoules to wattseconds table

Btu is the abbreviation of the British thermal unit. It is a traditional unit of energy equal to about 1055 joules.

1 BTU = 252.05597496297 cal₁₅	Btus to calories [15 °C] converter	Btus to calories [15 °C] table
1 BTU = 251.99577242763 cal_it	Btus to calories [I.T.] converter	Btus to calories [I.T.] table
1 BTU = 0.252 cal_nutritional	Btus to Calories [nutritional] converter	Btus to Calories [nutritional] table
1 BTU = 252.16441204589 cal_th	Btus to calories [thermochemical] converter	Btus to calories [thermochemical] table
1 BTU = 9.99999E-7 dath	Btus to dekatherms converter	Btus to dekatherms table
1 BTU = 6.5851382365734E+21 eV	Btus to electronvolts converter	Btus to electronvolts table
1 BTU = 10550559000 erg	Btus to ergs converter	Btus to ergs table
1 BTU = 1.0550559E-15 EJ	Btus to exajoules converter	Btus to exajoules table
1 BTU = 1.0550559E+18 fJ	Btus to femtojoules converter	Btus to femtojoules table
1 BTU = 778.16932495138 ft-lb	Btus to foot pounds converter	Btus to foot pounds table
1 BTU = 1.055056E-6 GJ	Btus to gigajoules converter	Btus to gigajoules table
1 BTU = 2.93E-10 GWh	Btus to gigawatt hours converter	Btus to gigawatt hours table
1 BTU = 252.05597496297 gcal	Btus to gram calories converter	Btus to gram calories table
1 BTU = 2.4199927417827E+20 E_h	Btus to hartrees converter	Btus to hartrees table
1 BTU = 0.0004 hph	Btus to horsepower hours converter	Btus to horsepower hours table
1 BTU = 149408.50536563 in-oz	Btus to inch ounces converter	Btus to inch ounces table
1 BTU = 9338.0318994166 in-lb	Btus to inch pounds converter	Btus to inch pounds table
1 BTU = 1055.0559 J	Btus to joules converter	Btus to joules table
1 BTU = 0.2521 Kgcal	Btus to kilogram calories converter	Btus to kilogram calories table
1 BTU = 1.0550559 kJ	Btus to kilojoules converter	Btus to kilojoules table
1 BTU = 0.0003 kWh	Btus to kilowatt hours converter	Btus to kilowatt hours table
1 BTU = 10.41259215396 l-atm	Btus to liter atmospheres converter	Btus to liter atmospheres table
1 BTU = 6.5851382365734E+15 MeV	Btus to megaelectronvolts converter	Btus to megaelectronvolts table
1 BTU = 0.0011 MJ	Btus to megajoules converter	Btus to megajoules table
1 BTU = 2.93071E-7 MWh	Btus to megawatthours converter	Btus to megawatthours table
1 BTU = 1055055900 µJ	Btus to microjoules converter	Btus to microjoules table
1 BTU = 1055055.9 mJ	Btus to millijoules converter	Btus to millijoules table
1 BTU = 1055055900000 nJ	Btus to nanojoules converter	Btus to nanojoules table
1 BTU = 1055.0559 Nm	Btus to newton meters converter	Btus to newton meters table
1 BTU = 1.0E-12 PJ	Btus to petajoules converter	Btus to petajoules table
1 BTU = 1.0550559E+15 pJ	Btus to picojoules converter	Btus to picojoules table
1 BTU = 1.0E-18 q unit	Btus to Q units converter	Btus to Q units table
1 BTU = 1.0E-15 quad	Btus to quads converter	Btus to quads table
1 BTU = 6585138236.5734 TeV	Btus to teraelectronvolts converter	Btus to teraelectronvolts table
1 BTU = 1.055E-9 TJ	Btus to terajoules converter	Btus to terajoules table
1 BTU = 2.9307108333333E-13 TWh	Btus to terawatthours converter	Btus to terawatthours table
1 BTU = 0.0003 th	Btus to thermies converter	Btus to thermies table
1 BTU = 9.999999E-6 th	Btus to therms converter	Btus to therms table
1 BTU = 3.5999E-8 TCE	Btus to tonnes of coal equivalent converter	Btus to tonnes of coal equivalent table
1 BTU = 2.52E-8 TOE	Btus to tonnes of oil equivalent converter	Btus to tonnes of oil equivalent table
1 BTU = 2.52164E-7 t_explosive	Btus to tons [explosive] converter	Btus to tons [explosive] table
1 BTU = 0.2931 Wh	Btus to watthours converter	Btus to watthours table
1 BTU = 1055.0559 Ws	Btus to wattseconds converter	Btus to wattseconds table

Energy Units

English

Energy

Btu

Btu is the abbreviation of the British thermal unit. It is a traditional unit of energy equal to about 1055 joules.

Calorie [15 °C]

Calorie [ 15 °C] is a unit of energy that the amount of energy required to warm on gram of air-free water from 14.5 °C to 15.5 °C at standard atmospheric presure (1 cal [15°C] = 4.1855 J).

Calorie [I.T.]

Calorie is a pre-SI metric unit of energy, symbol "cal". Calorie [i.t.] is an International Stream Table calorie equal to 4.1868 joules.

Calorie [nutritional]

Calorie [nutritional] is a unit of energy in food.

Calorie [thermochemical]

Calorie [thermochemical] is a unit of energy use in thermochemistry.

Dekatherm

Dakatherm is a unit of energy eqal 10 therms, symbol "dath".

Electronvolt

Electronvolts (symbol eV; also written electron volt) is a unit of energy equal to approximately 1.602×10^.19 joule.

Erg

Erg is a unit of energy and mechanical work in the the centimetre-gram-second (CGS) system of units, symbol "erg".

Exajoule

Exajoule is a unit of energy equal to 1.0E+18 joules, symbol "EJ". This unit comes from a combination of metric-prefix "exa" and SI derived unit of energy "joule".

Femtojoule

Femtojoule is a unit of energy equal to 1.0E-15 joules, symbol "fJ". This unit comes from a combination of metric-prefix "femto" and SI derived unit of energy "joule".

Foot pound

Foot-pound or foot-pound force is a unit of energy in the Engineering and Gravitational System in United States customy and imperial unit of measure.

Gigajoule

Gigajoule is a unit of energy equal to 1.0E+9 joules, symbol "GJ". This unit comes from a combination of metric-prefix "giga" and SI derived unit of energy "joule".

Gigawatt hour

Gigawatt hour is a unit of energy equal to 1000 Megawatt hours, sysmbol "GWh". This unit comes form "giga" metric-prefix and "watt hour" unit of energy.

Gram calorie

Gram calorie or small calorie (symbol: cal) approximates the energy needed to increase the temperature of 1 gram of water by 1 °C. This is about 4.2 joules.

Hartree

The hartree is the atomic unit of energy, symbol (E_h or Ha).

Horsepower hour

Horsepower-hour (hph) is an outdated unit of energy, not used in the SI system of units.

Inch ounce

Inch ounce is a unit of energy equal to about 0.007061552 joule, symbol "in-oz".

Inch pound

Inch pound is a unit of energy equal to about 0.112984829 joules, symbol "in-lb".

Joule

Joule is a derived unit of energy or work in the International System of Units, symbol "J".

Kilogram calorie

kilogram calorie, dietary calorie, or food calorie (symbol: Cal) approximates the energy needed to increase the temperature of 1 kilogram of water by 1 °C. This is exactly 1,000 small calories or about 4.2 kilojoules.

Kilojoule

Kilojoule is a unit of energy equal to 1000 joules, symbol "kJ". This unit comes from a combination of metric-prefix "kilo" and SI derived unit of energy "joule".

Kilowatt hour

The kilowatt-hour (symbolized kWh) is a unit of energy equivalent to one kilowatt (1 kW) of power expended for one hour (1 h) of time.

Liter atmosphere

Liter atmosphere is a unit of energy, symbole "l-atm", equal to 101.32500 joules.

Megaelectronvolt

Megaelectronvolt is a unit or energy equal 1 000 000 electronvolts, symbol "MeV".

Megajoule

Megajoule is a unit of energy equal to 1 000 000 joules, symbol "MJ". This unit comes from a combination of metric-prefix "mega" and SI derived unit of energy "joule".

Megawatthour

Megawatthours is unit of energy equal to 1 000 kilowatt hours, symbol "MWh".

Microjoule

Microjoule is a unit of energy equal to 1/1 000 000 joule, symbol "µJ". This unit comes from a combination of metric-prefix "micro" and SI derived unit of energy "joule".

Millijoule

Millijoule is a unit of energy equal to 1/1 000 joule, symbol "mJ". This unit comes from a combination of metric-prefix "milli" and SI derived unit of energy "joule".

Nanojoule

Nanojoule is a unit of energy equal to 1/1 000 000 000 joule, symbol "nJ". This unit comes from a combination of metric-prefix "nano" and SI derived unit of energy "joule".

Newton meter

A newton metre is a unit of torque (also called "moment") in the SI system. The symbolic form is Nm or N·m. One newton metre is equal to the torque resulting from a force of one newton applied perpendicularly to a moment arm which is one metre long.

Petajoule

Petajoule is a unit of energy equal to 1.0E+15 joules, symbol "PJ". This unit comes from a combination of metric-prefix "peta" and SI derived unit of energy "joule".

Picojoule

Picojoule is a unit of energy equal to 1/1 000 000 000 000 joule, symbol "pJ". This unit comes from a combination of metric-prefix "pico" and SI derived unit of energy "joule".

Q unit

Q units is a measure of energy system.

Quad

A quad is a unit of energy equal to 10¹⁵ (a short-scale quadrillion) BTU,or 1.055 × 10¹⁸ joules (1.055 exajoules or EJ) in SI units.

Teraelectronvolt

Teraelectronvolt is a unit of energy equal to 10¹² electronvolts, symbol "TeV". This unit comes form a combination of metrix-prefix "tera" and "electronvolt".

Terajoule

Terajoule is a unit of energy equal to 1.0E+12 joules, symbol "TJ". This unit comes from a combination of metric-prefix "tera" and SI derived unit of energy "joule".

Terawatthour

Terawatthours is a unit of energy equal to 1000 Gigawatt hours, symbol "TWh". This unit comes from a combination fo metric-prefix "tera" and "watt hour" unit of energy.

Thermie

Thermie (th) is a metric unit of heat energy, part of the meter-tonne-second system sometimes used by European engineers.

Therm

The therm (symbol th) is a non-SI unit of heat energy equal to 100,000 British thermal units (BTU).

Tonne of coal equivalent

Tonne of coal equivalent or ton of coal equivalent (TCE) is, unit of energy, a conventional value of 7 Gcal (IT) = 29.3076 GJ.

Tonne of oil equivalent

A ton of oil equivalent (TOE) is, unit of energy, a conventional value, based on the amount of energy released by burning one tonne of crude oil, of 41.868 GJ, 11.63 MWh, 1.28 TCE, 39.68 million BTU, or 6.6 - 8.0 actual barrels of oil (depending on actual

Ton [explosive]

Ton [explosive] is a measure of energy.

Watthour

Watthour (symbolized Wh) is a unit of energy equivalent to one watt (1 W) of power expended for one hour (1 h) of time.

Wattsecond

Wattsecon (symbolized Ws) is a unit of energy equivalent to one watt (1 W) of power expended for one second (1 s) of time.