What is the SI unit used to measure energy?

The joule.

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  1. The joule ✔
  2. The watt
  3. The newton

Why: The joule is the International System unit for energy. The watt measures power, which is energy per unit of time.

Huh, didn't know that: The joule is the International System unit for energy. The watt measures power, which is energy per unit of time.

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References

Answer: The joule. The joule is the International System unit for energy. The watt measures power, which is energy per unit of time.

  1. Energy en.wikipedia.org/wiki/Energy
    The unit of measurement for energy in the International System of Units (SI) is the joule (J).
    Checked 2026-11-07.

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