Measurement Conversion - Metric Length Units (Common) with Decimals

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Let's convert 4 centigrams into kilograms. In this case we are converting small units, centigrams, into larger units, kilograms, so we should get a much smaller number of kilograms. We'll do it as a two step process, converting to and from the base unit of grams.

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First let's convert to grams. Centi means 1 one hundredth

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So 4 centigrams is 4 hundredths of a gram, or zero point zero four grams.

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Kilo means thousand, so a gram is 1 one thousandth of a kilogram.

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So we can divide another time by one thousand, and we have zero point zero zero zero zero four kilograms. That's definitely a much smaller number than 4, so we know we converted in the right direction.