A has a mass of 40 kg. What is the mass of the child in grams? Physics Introduction to Physics Unit Conversion 1 Answer MeneerNask Oct 15, 2016 The #k# in #kg# stands for kilo, which means thousand. Explanation: In other words, you may change the #k# for #xx1000# Answer link Related questions What is unit conversion? Question #6b809 Question #d5f5b Question #6b80e Question #4fdbb Question #f749d Question #23cf4 Question #23cf8 Question #4fdc7 How many miles per hour is one knot? See all questions in Unit Conversion Impact of this question 4313 views around the world You can reuse this answer Creative Commons License