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It's a common belief that building muscle increases your daily energy expenditure, but is it true? Muscle is more metabolically active than fat, so it does burn more calories. However, the magnitude of this effect is often overstated. While muscle doesn't burn fat directly, having more muscle mass means you burn more calories at the same body weight than if you had less muscle mass.
| Characteristics | Values |
|---|---|
| Muscle burns more calories than fat | True |
| Muscle burns fat | True |
| Muscle burns fat directly | False |
| Muscle is more metabolically active than fat | True |
| Muscle can help you lose weight | True |
| Muscle mass increases calorie burn | True |
| Muscle mass increases resting metabolic rate | True |
| Metabolic rate of muscle tissue | 4.5 to 7.0 calories per pound of body weight per day |
| Muscle tissue's contribution to total daily calories burned | 20% |
| Fat tissue's contribution to total daily calories burned | 5% |
| Calories burned by 1 pound of muscle at rest | 6 calories per day |
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What You'll Learn
Muscle burns more calories than fat
It is true that muscle burns more calories than fat. Muscle is more metabolically active than fat, meaning that it requires more energy to maintain. While it's not a miracle fat-burner, muscle does burn fat and can help you lose weight.
Muscle doesn't burn fat directly, but having more muscle mass means you burn more calories at the same body weight than if you had less muscle mass. Building muscle by strength training increases your calorie burn, which can help you burn fat.
The metabolic rate of muscle tissue has been estimated to range between 4.5 and 7.0 calories per pound of body weight per day. This means that muscle tissue contributes approximately 20% of your total daily calories burned, compared to just 5% for fat tissue.
However, it's important to note that the combined energy expenditure of the heart, lungs, kidneys, brain, and liver is substantially more significant than the expenditure of fat and muscle tissue. Additionally, the effect of increasing muscle mass on resting metabolic rate (RMR) is often overplayed. While it is true that the more muscle you have, the more calories you burn, the difference may not be as significant as some claim. For example, adding 10 lbs of muscle to your frame would only increase your resting metabolic rate by about 60 calories per day.
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Muscle burns fat
According to researchers at the University of New Mexico, muscle tissue contributes approximately 20% of your total daily calories burned, compared to 5% for fat tissue. This means that if you put on 5 pounds of muscle, you could burn an extra 250 calories a day at rest (i.e., one pound of muscle burns 50 calories). However, this estimate has been disputed by other studies, which place the number of calories burned by one pound of muscle at rest at approximately 6 calories per day.
Building muscle through strength training is a great way to increase your calorie burn and help you lose weight. However, it's important to note that the combined energy expenditure of the heart, lungs, kidneys, brain, and liver is substantially more significant than the expenditure of fat and muscle tissue.
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Muscle is more metabolically active than fat
Building muscle by strength training increases your calorie burn to help you burn fat. Researchers at the University of New Mexico estimate that muscle tissue contributes approximately 20% of your total daily calories burned, compared to 5% for fat tissue. However, the combined energy expenditure of the heart, lungs, kidneys, brain, and liver is substantially more significant than the expenditure of fat and muscle tissue.
The metabolic rate of muscle tissue has been estimated to range between 4.5 to 7.0 calories per pound of body weight per day, or approximately 6 calories per pound of muscle per day at rest. This means that if you added 10 lbs of muscle to your frame, your resting metabolic rate would only increase by about 60 calories per day. By comparison, one pound of fat tissue burns approximately two calories per day at rest.
While increasing muscle mass can help burn calories and lose weight, it is not a miracle fat-burner. The magnitude of the effect of muscle mass on calorie burning is often overplayed.
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Muscle mass increases calorie burn
Muscle mass does increase calorie burn. Muscle is more metabolically active than fat, so building muscle by strength training increases your calorie burn and can help you lose weight.
Muscle doesn't burn fat directly, but having more muscle mass means you burn more calories at the same body weight than if you had less muscle mass. Muscle is metabolically active tissue that requires energy to maintain, whereas fat tissue is not.
Researchers at the University of New Mexico estimate that muscle tissue contributes approximately 20% of your total daily calories burned versus 5% for fat tissue (for individuals with about 20% body fat). However, they add that the combined energy expenditure of the heart, lungs, kidneys, brain, and liver is substantially more significant than the expenditure of fat and muscle tissue.
According to scientific evidence, the number of calories burned by one pound of muscle at rest is approximately 6 calories per day, compared to one pound of fat tissue, which burns approximately two calories per day at rest. So, while increasing muscle mass does have a minor effect on RMR, the magnitude of this is often hugely overplayed. For example, if you added 10 lbs of muscle to your frame, your resting metabolic rate would only increase by about 60 calories per day.
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Muscle mass increases resting metabolic rate
Muscle mass does increase resting metabolic rate. Muscle is more metabolically active than fat, and building muscle through strength training increases your calorie burn. This is because muscle is a metabolically active tissue that requires energy to maintain, whereas fat tissue is not.
According to researchers at the University of New Mexico, muscle tissue contributes approximately 20% of your total daily calories burned, compared to 5% for fat tissue. They estimate that the metabolic rate of muscle tissue is between 4.5 and 7.0 calories per pound of body weight per day. This means that one pound of muscle burns approximately six calories per day at rest, whereas one pound of fat tissue burns only two calories per day at rest.
However, it is important to note that the magnitude of the effect of increasing muscle mass on resting metabolic rate is often overplayed. While it is true that the more muscle you have, the more calories you will burn, the difference may not be as significant as often touted. For example, adding 10 lbs of muscle to your frame would only increase your resting metabolic rate by about 60 calories per day.
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Frequently asked questions
Yes, muscle burns more calories than fat.
Muscle tissue contributes approximately 20% of your total daily calories burned, compared to 5% for fat tissue.
One pound of muscle burns approximately six calories per day at rest.
Yes, building muscle increases your daily energy expenditure.
Muscle does burn fat, but not directly. Having more muscle mass means you burn more calories at the same body weight than if you had less muscle mass.
