When you add, subtract, multiply or divide mass in grams and kilograms, sometimes you need to convert the measurements so that they are in the same unit. To convert from kilograms to grams you ...
When you measure the mass of an object that is more than 1,000 grams, you should describe it in kilograms. Kilograms can be shortened to 'kg'. Here is a paper clip. It has a mass of 1 gram, which can ...