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Calories Burned Equation:
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The weight lifting calories equation estimates energy expenditure during vigorous weight lifting using MET (Metabolic Equivalent of Task) values. It provides a scientifically validated method to calculate calories burned during resistance training.
The calculator uses the following equation:
Where:
Explanation: The equation calculates calories burned based on your body weight and exercise duration, using a standard MET value for vigorous weight lifting.
Details: MET values represent the energy cost of physical activities. One MET is the energy you expend while at rest. Vigorous weight lifting has a MET value of 6, meaning it burns 6 times more calories than resting.
Tips: Enter your weight in kilograms and exercise duration in minutes. For accurate results, use your current body weight and actual workout time (excluding rest periods).
Q1: How accurate is this calculation?
A: It provides a reasonable estimate (±20%) for most people. Individual variations in metabolism and exercise intensity affect actual calories burned.
Q2: Does this include rest periods between sets?
A: No, you should only count active lifting time. For circuit training with minimal rest, you might use the full duration.
Q3: What if I'm doing moderate intensity lifting?
A: Moderate lifting has a MET of about 3.5. You could adjust the calculation by changing the MET value in the formula.
Q4: Does body composition affect calories burned?
A: Yes, muscle burns more calories than fat at rest, but the difference during exercise is relatively small for this calculation.
Q5: Should I eat back all these calories?
A: Not necessarily. This is an estimate, and weight management depends on your total energy balance, not just exercise calories.