Although the United States has yet to officially adopt the metric system, the scientific community typically uses milligrams, grams and kilograms to describe measurements of mass. This system offers considerable ease of conversions, since it is based on powers of 10. There are 1,000 milligrams in a gram, and 1,000 grams in a kilogram. Therefore, to convert milligrams into grams, the calculation is a simple division.
Instructions
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1
Type in the number of milligrams in your calculator.
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2
Press the division key, which is frequently displayed as "/," or a straight line with a dot above and below it.
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3
Type "1000."
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Press "=" to complete the conversion. Alternatively, you can visually move the decimal point three places to the left to convert the measurement without a calculator.