Quick Answer
To calculate total calories needed for a year, multiply daily caloric needs by 365. For a moderately active adult, this equates to around 2,200-2,400 calories per day or approximately 800,000 to 880,000 calories annually.
Calculating Daily Caloric Needs
To determine daily caloric needs, use the Harris-Benedict equation: 66 + (6.2 x weight in lbs) + (12.7 x height in inches) - (6.8 x age in years). For a 35-year-old, 5'9", 154 lbs individual, this equals approximately 1,987 calories. Multiply this by an activity factor (sedentary = 1.2, lightly active = 1.375, moderately active = 1.55, very active = 1.725, extremely active = 1.9) to determine daily caloric needs.
Choosing Calorie-Rich Foods for Long-Term Storage
For a prepper pantry, focus on long-shelf-life, high-calorie foods. Examples include dried beans (1 cup cooked = 225 calories), oats (1 cup cooked = 150-200 calories), peanut butter (2 tbsp = 190 calories), nuts (1 oz = 160-200 calories), and dried meat (1 oz = 100-150 calories). Consider a mix of 40% carbohydrates, 30% protein, and 30% fat for optimal energy. Store food in airtight containers to maintain freshness and shelf life.
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