How Many Milligrams in One Litre of Water?

Learn how many milligrams are in one litre, and the conversion between litres and milligrams explained simply.

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There are 1,000,000 milligrams (mg) in 1 litre (L). This is because 1 litre is equivalent to 1,000,000 milliliters, and 1 milliliter of water has a mass of 1 gram, which is equal to 1,000 milligrams.

FAQs & Answers

  1. What is the mass of 1 litre of water? 1 litre of water has a mass of 1,000 grams or 1 kilogram.
  2. How many milliliters are in 1 litre? There are 1,000 milliliters in 1 litre.
  3. What is the relationship between grams and milligrams? 1 gram is equal to 1,000 milligrams.
  4. How do I convert milliliters to milligrams? To convert milliliters to milligrams, multiply the volume in milliliters by the density of the substance in grams per milliliter.