Energie ist die Fähigkeit, Arbeiten auszuführen.Es existiert in verschiedenen Formen wie kinetisch, potenziell, thermisch usw. Es wird in Joule (J) gemessen.
1 GWh = 2,655,219,719,431.783 ft·lb 
1 ft·lb = 3.7662e-13 GWh 
Beispiel: 
Konvertieren Sie 15 Gigawatt Hour in Fußpfund:
15 GWh = 39,828,295,791,476.74 ft·lb 
| Gigawatt Hour | Fußpfund | 
|---|---|
| 0.01 GWh | 26,552,197,194.318 ft·lb | 
| 0.1 GWh | 265,521,971,943.178 ft·lb | 
| 1 GWh | 2,655,219,719,431.783 ft·lb | 
| 2 GWh | 5,310,439,438,863.565 ft·lb | 
| 3 GWh | 7,965,659,158,295.348 ft·lb | 
| 5 GWh | 13,276,098,597,158.914 ft·lb | 
| 10 GWh | 26,552,197,194,317.83 ft·lb | 
| 20 GWh | 53,104,394,388,635.66 ft·lb | 
| 30 GWh | 79,656,591,582,953.48 ft·lb | 
| 40 GWh | 106,208,788,777,271.31 ft·lb | 
| 50 GWh | 132,760,985,971,589.14 ft·lb | 
| 60 GWh | 159,313,183,165,906.97 ft·lb | 
| 70 GWh | 185,865,380,360,224.78 ft·lb | 
| 80 GWh | 212,417,577,554,542.62 ft·lb | 
| 90 GWh | 238,969,774,748,860.44 ft·lb | 
| 100 GWh | 265,521,971,943,178.28 ft·lb | 
| 250 GWh | 663,804,929,857,945.6 ft·lb | 
| 500 GWh | 1,327,609,859,715,891.2 ft·lb | 
| 750 GWh | 1,991,414,789,573,837 ft·lb | 
| 1000 GWh | 2,655,219,719,431,782.5 ft·lb | 
| 10000 GWh | 26,552,197,194,317,828 ft·lb | 
| 100000 GWh | 265,521,971,943,178,270 ft·lb |