Question: 1 kg how many kt?
Answer: Convert Kilotonne to Kilograms 1 Kilotonne: 1 Kilotonne or metric kiloton (unit of mass) is equal to 1000 metric tons. A metric ton is exactly 1000 kilograms (SI base unit) making a kilotonne equal to 1000000 kilograms. 1 kt = 1000000 kg.