The Metabolic Equivalent of Task (MET), is essentially the amount of energy required to complete a chore/exercise.
1 MET represents the energy we burn at rest in one minute, which is 3.5 ml of oxygen, per kilogram of body weight, per minute.
For more details around MET see here sourced from whyiexercise.com, we have collated the top line takeaways below.
For ease how much you can speak during or after exercise is the best subjective indicator of your MET level, it is not easy to objectively confirm a precise MET for any individual during any exercise due to the variables associated.
BUT, when working hard, one cannot speak.
MET & Daily Activity
MET & Senior Activities
MET & Moderate Exercise
MET & Cardio Workouts
MET & Intense Exercise
MET & Speaking Ability
MET & Health Risks
MET & Health Risks
MET & Life Expectancy