Question: 1 kg = how many litres?
Answer: It means that one cubic metre has the capacity to hold 997 kilograms of water. Also, 1 cubic metre = 1000 litres. So, 1000 litres has capacity to hold 997 kilograms of water. Therefore, capacity of 1 kg of water = 1000/997 litres = 1.003 litres.