Calories Formula:
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The calories calculation estimates your daily energy needs based on your Basal Metabolic Rate (BMR) and activity level. It helps determine how many calories you should consume to maintain, lose, or gain weight.
The calculator uses the following equation:
Where:
Explanation: The equation accounts for your body's basic energy needs plus additional energy required for your daily activities.
Details: Knowing your daily calorie needs is crucial for weight management, athletic performance, and overall health maintenance.
Tips: Enter your BMR in kcal/day and select your activity level. For accurate results, use a recent BMR measurement or calculation.
Q1: How do I calculate my BMR?
A: BMR can be calculated using formulas like Mifflin-St Jeor or Harris-Benedict, which consider age, gender, weight, and height.
Q2: What activity factor should I choose?
A: Select the option that best matches your typical weekly activity level, being honest about your exercise habits.
Q3: How accurate is this calculation?
A: It provides a good estimate but individual variations in metabolism and activity patterns can affect actual needs.
Q4: Should I adjust my calories for weight goals?
A: Yes, to lose weight consume fewer calories than calculated, to gain weight consume more (typically 300-500 kcal/day difference).
Q5: How often should I recalculate?
A: Recalculate whenever your weight changes significantly (5+ lbs) or your activity level changes substantially.