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See also: power conversion factors
Multiply units of left column by factor to get units in top row, for example, 1 Btu = 1055.1 joules.
Btu |
calories |
electron volts |
ergs |
foot-lbf |
joules |
|
Btu | 1.0000E+00 |
2.5200E+02 |
6.5851E+21 |
1.0551E+10 |
7.7817E+02 |
1.0551E+03 |
calories | 3.9683E-03 |
1.0000E+00 |
2.6132E+19 |
4.1868E+07 |
3.0880E+00 |
4.1868E+00 |
electron volts | 1.5186E-22 |
3.8268E-20 |
1.0000E+00 |
1.6022E-12 |
1.1817E-19 |
1.6022E-19 |
ergs | 9.4782E-11 |
2.3885E-08 |
6.2415E+11 |
1.0000E+00 |
7.3756E-08 |
1.0000E-07 |
foot-lbf | 1.2851E-03 |
3.2383E-01 |
8.4623E+18 |
1.3558E+07 |
1.0000E+00 |
1.3558E+00 |
joules | 9.4782E-04 |
2.3885E-01 |
6.2415E+18 |
1.0000E+07 |
7.3756E-01 |
1.0000E+00 |
kilojoules | 9.4782E-01 |
2.3885E+02 |
6.2415E+21 |
1.0000E+10 |
7.3756E+02 |
1.0000E+03 |
kilowatt-hours | 3.4121E+03 |
8.5985E+05 |
2.2469E+25 |
3.6000E+13 |
2.6552E+06 |
3.6000E+06 |
megajoules | 9.4782E+02 |
2.3885E+05 |
6.2415E+24 |
1.0000E+13 |
7.3756E+05 |
1.0000E+06 |
therms | 1.0000E+05 |
2.5200E+07 |
6.5851E+26 |
1.0551E+15 |
7.7817E+07 |
1.0551E+08 |
ton-hours | 1.2000E+04 |
3.0240E+06 |
7.9021E+25 |
1.2661E+14 |
9.3381E+06 |
1.2661E+07 |
watt-hours | 3.4121E+00 |
8.5985E+02 |
2.2469E+22 |
3.6000E+10 |
2.6552E+03 |
3.6000E+03 |
kilojoules |
kilowatt-hours |
megajoules |
therms |
ton-hours |
watt-hours |
|
Btu | 1.0551E+00 |
2.9307E-04 |
1.0551E-03 |
1.0000E-05 |
8.3333E-05 |
2.9307E-01 |
calories | 4.1868E-03 |
1.1630E-06 |
4.1868E-06 |
3.9683E-08 |
3.3069E-07 |
1.1630E-03 |
electron volts | 1.6022E-22 |
4.4505E-26 |
1.6022E-25 |
1.5186E-27 |
1.2655E-26 |
4.4505E-23 |
ergs | 1.0000E-10 |
2.7778E-14 |
1.0000E-13 |
9.4782E-16 |
7.8985E-15 |
2.7778E-11 |
foot-lbf | 1.3558E-03 |
3.7662E-07 |
1.3558E-06 |
1.2851E-08 |
1.0709E-07 |
3.7662E-04 |
joules | 1.0000E-03 |
2.7778E-07 |
1.0000E-06 |
9.4782E-09 |
7.8985E-08 |
2.7778E-04 |
kilojoules | 1.0000E+00 |
2.7778E-04 |
1.0000E-03 |
9.4782E-06 |
7.8985E-05 |
2.7778E-01 |
kilowatt-hours | 3.6000E+03 |
1.0000E+00 |
3.6000E+00 |
3.4121E-02 |
2.8434E-01 |
1.0000E+03 |
megajoules | 1.0000E+03 |
2.7778E-01 |
1.0000E+00 |
9.4782E-03 |
7.8985E-02 |
2.7778E+02 |
therms | 1.0551E+05 |
2.9307E+01 |
1.0551E+02 |
1.0000E+00 |
8.3333E+00 |
2.9307E+04 |
ton-hours | 1.2661E+04 |
3.5169E+00 |
1.2661E+01 |
1.2000E-01 |
1.0000E+00 |
3.5169E+03 |
watt-hours | 3.6000E+00 |
1.0000E-03 |
3.6000E-03 |
3.4121E-05 |
2.8434E-04 |
1.0000E+00 |