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Convert British Thermal Unit (BTU) to Kilojoule (kJ) instantly with live mathematical scaling and high-precision energy tables.

British Thermal Unit (BTU): A traditional unit of heat, defined as the amount of heat required to raise the temperature of one pound of water by one degree Fahrenheit.
Kilojoule (kJ): A common metric unit of energy, equal to 1000 joules, often used for nutritional values and larger energy measurements.