Health Calculators
RMR - Resting Metabolic Rate Calculator
This online tool will calculate how many calories you burn when you are resting.
RMR Calculator - Resting Metabolic Rate
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RMR calculator
The resting metabolic rate calculator calculates the calories your organism needs to remain alive (in idle time). Calculations are made using the Harris-Benedict formula. This modification allows for the calculation of calories burned during food digest. Digestive activity can increase your basal metabolic rate by 5--10%. If you eat around 1800 calories per day, approximately 90-180 calories are used to digest, absorb and store the meal nutrients.
What is RMR?
stands for Resting Metabolic Rate. This parameter tells how many calories are needed by your body for the most basic functions (to keep it alive) while you rest. These functions are e.g. :
Breathing
It's a beating heart
Circulating blood
Basic brain functions
food digestion
Maintaining vital organ function
RMR does NOT account for calories used to support physical activity. Every activity we engage in during a given day requires energy (calories).
What are the possible effects on your resting metabolic rates?
The following factors could have an impact on your RMR:
Muscle – More muscle can increase RMR
Age - RMR falls with age
Genetics can affect your natural RMR levels
Climate - Being in a cold climate can increase your RMR
Eating small meals regularly will increase your RMR
Also, pregnancy can lead to an increase in RMR
Crash-dieting is a way to lower the RMR
BMR vs RMR
Basal metabolic rate (BMR), is another term. This is different from resting metabolic rates. BMR measurements require a longer rest period and an overnight fast to be accurate. RMR requires only a 15 minute relaxation. BMR doesn't account for e.g. calories utilized for food digestion. RMR is, therefore, more reliable in estimating resting calories. Your body will usually absorb some food at each moment.
How can RMR be used to lose weight?
Eat slightly less than your RMR in order to lose weight. This is how many calories your body requires to live each day. fat. Please check with your doctor before starting any serious diet. If you feel any pain, stop.
Is RMR testing accurate?
Visit a licensed facility to get the best method to determine your RMR. This test requires you to breathe into a small device and stay there for about 10 minutes. The majority of CO2 that is produced during respiration leaves your body through the mouth. This test is costly, so you can also use an online calculation to find out how much. The calculator has an accuracy of +/– 300 calories.
Is it possible to slow down your RMR by fasting?
Research suggests that fasting has no significant effect on RMR. The research in this area is still new and limited. It is possible that RMR is not affected in any significant way. You should consult your doctor before taking any serious fasts. Stopping if you feel unwell is a good idea.
How does a ketogenic diet impact your RMR?
A recent study showed that there was not a significant statistical difference in RMR for obese patients following a ketogenic diet. This diet is low in calories and can help them lose large amounts of weight (20kg). The most current studies on ketogenic diets may not be accurate as they are a relatively new trend.
Article author
Parmis Kazemi
Parmis is a content creator who has a passion for writing and creating new things. She is also highly interested in tech and enjoys learning new things.
RMR - Resting Metabolic Rate Calculator English
Published: Tue Jun 14 2022
In category Health calculators
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