Oura calculates your daily energy expenditure using METs or Metabolic Equivalents. MET is a common measure used to express the energy expenditure and intensity of different physical activities. If the MET value of a specific activity is 4, it means that you’re burning 4 times as many calories as you would burn while resting.

The time engaged in activities with specific MET values can be expressed as MET minutes. For example:

  • 30 min x brisk walking (3 METs) = 90 MET minutes
  • 30 min x jogging (7 METs) = 210 MET minutes

Learn more: Metabolic Equivalent on Wikipedia

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