Women's Formula

• 1). Multiply 4.35 by your weight measured in pounds. For example, if you weigh 110 pounds, you would multiply 4.35 by 110 to get 478.5.
  
  
• 2). Multiply 4.7 by your height, measured in inches. For example, if you measure 62 inches tall, you would multiply 4.7 by 62 to get 291.4.
  
  
• 3). Multiply -4.7 by your age in years. For example, if you are 43 years old, you would multiply -4.7 by 43 to get -202.1.
  
  
• 4). Add the results from Step 1, Step 2 and Step 3 to 655 to calculate your RMR. Finishing the example, you would add 478.5 to 291.4 to -202.1 to 655 to find that the RMR equals 1,222.8.
  
  

Men's Formula

• 1). Multiply 6.23 by your weight in pounds. For example, if you weigh 165 pounds, you would multiply 165 by 6.23 to get 1027.95.
  
  
• 2). Multiply 12.7 by your height in inches. For example, if you measure 69 inches tall, you would multiply 12.7 by 69 to get 876.3.
  
  
• 3). Multiply -6.8 by your age in years. For example, if you are 24 years old, you would multiply -6.8 by 24 to get -163.2.
  
  
• 4). Add the results from Step 1, Step 2 and Step 3 to 66 to calculate your RMR. Finishing the example, you would add 66 to 1027.95 to 876.3 to -163.2 to get 1,807.05 as your RMR.