Weight in kilograms chart

Mass: how much matter is in an object.

We measure mass by weighing, but Weight and Mass are not really the same thing.

These are the most common measurements:

Grams are the smallest, Tonnes are the biggest.

Let's take a few minutes and explore how heavy each of these are.

Grams

A paperclip weighs about 1 gram.

Hold one small paperclip in your hand.

Does that weigh a lot? No! A gram is very light. That is why you often see things measured in hundreds of grams.

Grams are often written as g (for short), so "300 g" means "300 grams".

A loaf of bread weighs about 700 g (for a nice sized loaf)

Kilograms

Once we have 1,000 grams, we have 1 kilogram.

1 kilogram = 1,000 grams

A dictionary has a mass of about one kilogram.

This gold bar has a mass of 1 kilogram:

Kilograms are great for measuring things that can be lifted by people (sometimes very strong people are needed of course!).

Kilograms are often written as kg (that is a "k" for "kilo" and a "g" for "gram), so "10 k

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