Understanding the Difference Between Milliliters and Milligrams

Learn why 250 ml is not equal to 250 mg and how to convert between volume and weight using density.

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No, 250 ml is not the same as 250 mg. Ml (milliliters) is a measure of volume, while mg (milligrams) is a measure of weight. To convert between them, you need to know the substance's density. For example, 250 ml of water weighs 250 grams (250,000 mg) because water has a density of 1 g/ml.

FAQs & Answers

  1. What is the difference between volume and weight measurements? Volume measures space occupied by a substance, while weight measures the mass of that substance.
  2. How do you convert milliliters to milligrams? To convert ml to mg, multiply the volume in ml by the substance's density (in g/ml) and then convert grams to milligrams.
  3. What is the density of water? The density of water is 1 g/ml, meaning 1 milliliter of water weighs 1 gram or 1000 milligrams.
  4. When should I use ml and when should I use mg? Use ml when measuring liquid volumes and mg when measuring solid or powdered substances' weights.

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If you're interested in learning more about measurements and conversions, check out our related videos on metric units and how to accurately measure liquids in cooking and science experiments.

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