Create a Basal Metabolic Rate (BMR) Calculator

Basal Metabolic Rate (BMR) is the number of calories required to keep your body functioning at rest (otherwise known as “metabolism”). BMR is calculated using age, weight, height and gender. You can use Notion to calculate BMR as part of a fitness management system.

The formula that we use (called the Harris-Benedict formula) to calculate BMR is a base number added to weight in kilograms times a gender multiplier, added to height in centimeters times a gender multiplier, minus age in years times a gender multiplier:

BMR = 88.362 + (13.397 x weight (kg)) + (4.799 x height (cm)) – (5.677 x age (yrs))

BMR = 447.593 + (9.247 x weight (kg)) + (3.098 x height (cm)) – (4.330 x age (yrs))

We can translate this into Notion using the following formula:

round(if(prop("Gender") == "Male", 88.4 + 13.4 * prop("Weight (kgs)") + 4.8 * prop("Height (cms)") - 5.68 * prop("Age"), 447.6 + 9.25 * prop("Weight (kgs)") + 3.10 * prop("Height (cms)") - 4.33 * prop("Age")) * 100) / 100

Note: this formula requires four properties named:

  • Gender
  • Weight (kgs)
  • Height (cm)
  • Age

If we use the Imperial system for weight in pounds and height in inches, we can use some basic calculations on these properties to convert from Imperial to Metric:

prop("Weight (lbs)") * 0.453592
prop("Height (in)") * 2.54

Reference the template to see this in action.

Duplicate Notion template


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