World's lightest laptop is lighter than iPad Pro without keyboard However, the world's lightest laptop has been surreptitiously launched by Fujitsu, but solely for the Japanese market for the time being. As a member of the Lifebook line, the WU-X/G2 weighs only 634g (approximately 22.4 ounces, or slightly under 1.4 pounds) when not connected to a charger. As a result, … [Read more...] about World’s lightest laptop