One therm is equal to about megajoules, kilocalories, or kilowatt-hours. Gunpowder releases 3 megajoules per kilogram and contains its own oxidant. In 2009, it had total sales of over 3.8 billion kilowatt-hours (13.7 billion megajoules). Compressed hydrogen has an energy density of only 5.6 megajoules per liter. Blue whale milk contains 18 megajoules (MJ) per kg, which is roughly 4,302 Kilocalorie/kg. As of January 2010, the NIF could run as high as 1.8 megajoules.