Question: 1 kg of water occupies how much volume?
Answer: 1 kg water = 1 liter (L) = 1000 milliliters (mL); 1 g water = 0.001 liter (L) = 1 milliliter (mL) = 1 cubic centimeter (cm³) = 1ccm. 1 kilogram (kg) of water has a volume of 1 liter (L); that is 1 dm³ (cubic decimeter) at a temperature of 3.98°C and an air pressure of 1013.25 hPa.