NEAT (Non-Exercise Activity Thermogenesis) is the energy burned through daily movement—standing, pacing, fidgeting. For most people, it's the most variable part of daily calorie burn.
Adding a weighted vest makes every NEAT movement more energy-intensive. It forces your muscles to recruit more fibers and increases oxygen consumption, thereby increasing your **Total Daily Energy Expenditure** (TDEE) without requiring planned exercise.
This calculator estimates caloric burn based on validated metabolic formulas (using MET values) and scientific studies that measure the increased energy cost of carrying external loads close to the body’s center of mass.
Always consult a physician before starting heavy load training, especially if you have joint or back issues.