This calculator helps users estimate the calories they burn during different levels of physical activity, which is vital for anyone managing their weight, planning their diet, or scheduling their workout routines.
Formula of Activity Energy Calculator
Basal Metabolic Rate (BMR)
- For Men:
- BMR (men) = 66 + (6.23 × weight in pounds) + (12.7 × height in inches) - (6.8 × age in years)
- For Women:
- BMR (women) = 655 + (4.35 × weight in pounds) + (4.7 × height in inches) - (4.7 × age in years)
Physical Activity Level (PAL)
- Descriptions of PAL values ranging from sedentary to super active:
- Sedentary: PAL = 1.2
- Lightly active: PAL = 1.375
- Moderately active: PAL = 1.55
- Very active: PAL = 1.725
- Super active: PAL = 1.9
Activity Energy Expenditure (AEE)
- The final calculation:
- AEE = BMR × PAL
- This formula provides a comprehensive view of an individual's daily caloric expenditure based on their activity level.
Table for General Terms and Calculations
This table outlines key terms related to calculating energy expenditure, providing clear definitions and examples or typical values to help users understand and utilize the Activity Energy Calculator effectively.
| Term | Definition | Examples/Typical Values |
|---|---|---|
| BMR (Basal Metabolic Rate) | The number of calories required to keep your body functioning at rest. | Calculated based on formula for men and women |
| PAL (Physical Activity Level) | A numeric representation of your daily activity level to estimate energy expenditure. | Sedentary = 1.2, Lightly active = 1.375, Moderately active = 1.55, Very active = 1.725, Super active = 1.9 |
| AEE (Activity Energy Expenditure) | The total number of calories burned during physical activity, calculated by multiplying BMR by PAL. | AEE = BMR × PAL |
| Weight | Body weight used to calculate BMR. | 140 pounds (example for calculation) |
| Height | Height of the individual used in the BMR calculation. | 65 inches (example for calculation) |
| Age | Age of the individual, a factor in the BMR calculation. | 35 years (example for calculation) |
Example of Activity Energy Calculator
Scenario:
Calculate the daily energy expenditure for a 35-year-old female who is 65 inches tall, weighs 140 pounds, and is moderately active.
Steps to Calculate:
- Calculate Basal Metabolic Rate (BMR):
- Using the formula for women:
- BMR = 655 + (4.35 × weight in pounds) + (4.7 × height in inches) - (4.7 × age in years)
- BMR = 655 + (4.35 × 140) + (4.7 × 65) - (4.7 × 35)
- BMR = 655 + 609 + 305.5 - 164.5
- BMR ≈ 1405 calories/day
- Using the formula for women:
- Determine Physical Activity Level (PAL):
- Moderately active, which has a PAL value of 1.55.
- Calculate Activity Energy Expenditure (AEE):
- Using the BMR and PAL:
- AEE = BMR × PAL
- AEE = 1405 × 1.55
- AEE ≈ 2178 calories/day
- Using the BMR and PAL:
Interpretation:
This calculation shows that a 35-year-old female who is moderately active needs approximately 2178 calories per day to maintain her current weight, given her physical activity level. This information is crucial for planning diet and exercise regimes tailored to her specific energy needs.
Most Common FAQs
The calculator provides estimates based on widely accepted formulas and typical activity levels, making it a reliable tool for general guidance.
Yes, increasing or decreasing physical activity levels can have a notable impact on how many calories you burn daily, which is crucial for managing weight and fitness.