Grams (g) and kilograms (kg) are used to describe measurements of mass. Grams are used for smaller or lighter items. 1,000 grams are equal to 1 kilogram. You can write it like this: 1,000 grams = 1 ...

Talk about massive change. After meeting the needs of science, industry and commerce for more than 130 years, the kilogram has just been fundamentally reinvented. At a meeting Friday in Versailles, ...

How do you weigh someone in a zero gravity space station? Well, you don't, because their weight is zero. But mass is ever-present and measuring it can be a difficult proposition without gravity.

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 ...