What is the Weight of 1 Litre of Water?

Learn how much 1 litre of water weighs and discover the science behind this standard measurement.

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1 litre of water weighs approximately 1 kilogram. This is based on the metric system, where 1 litre of pure water at 4°C (39°F) is defined to have a mass of 1 kilogram. This measurement can slightly vary with temperature changes.

FAQs & Answers

  1. Does the weight of water change with temperature? Yes, the weight of water can vary slightly with temperature changes due to alterations in density.
  2. How does 1 litre of water relate to kilograms? 1 litre of pure water at 4°C has a mass of exactly 1 kilogram, making it a straightforward conversion.
  3. What other substances have a similar weight to water? Many liquids have similar densities to water, but they can vary widely; for example, oils are generally less dense.
  4. Why is understanding water measurement important? Understanding water measurement is crucial for scientific calculations, cooking, and various practical applications in everyday life.

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For more fascinating insights into measurements and scientific principles, check out our videos on water density, metric conversions, and everyday physics.

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