Convert long tons (uk) to kilograms instantly.
Definition: Long ton na British imperial mass unit wey equal 2,240 pounds, or about 1,016.0469 kilograms.
History/origin: Long ton na part of British imperial system and dem use am for maritime trade and heavy industry before metric units spread well.
Current use: Long tons still dey show for some UK maritime, industrial, and historical contexts, even though dem no common like metric tons today.
Definition: Kilogram na SI base unit for mass. The current definition dey tied to fixed Planck constant, no be stored metal artifact.
History/origin: Kilogram move from water-based definition to international prototype cylinder, then to constant-based standard wey labs fit reproduce.
Current use: kg dey used for body weight, groceries, shipping, luggage limits, gym weights, scientific measurements, industrial goods, medical records, and most metric commerce.
