The workshop covers the essential role of nutrition calculations in effective diet planning. It explains key concepts such as BMR, TEF, and TDEE, along with anthropometric measures like BMI and ideal body weight for accurate assessment. The session also highlights macronutrient distribution, dietary reference values, and the use of tools like IFCT and food exchange systems for precise meal planning. It emphasizes that strong calculation skills are fundamental for designing personalized, evidence-based nutrition interventions across diverse health conditions.