Now I have everything I need. Let me calculate everything precisely for you.
Your Personal Nutrition Plan
Your Stats
| Parameter | Value |
|---|
| Age | 17 years |
| Height | 172 cm |
| Weight | 62.5 kg |
| BMI | 21.1 (healthy range) |
| Goal | Lose 0.5 kg/week |
| Target areas | Belly, thighs, butt |
Step 1 - Your BMR (Mifflin-St Jeor Formula)
BMR = (10 × weight) + (6.25 × height) - (5 × age) + 5
= (10 × 62.5) + (6.25 × 172) - (5 × 17) + 5
= 625 + 1075 - 85 + 5
= 1,620 kcal/day
Step 2 - Your TDEE (based on activity level)
Since I don't know your activity level, here are your options. Pick the one that fits you:
| Activity Level | Multiplier | TDEE |
|---|
| Sedentary (desk, barely moving) | × 1.2 | ~1,944 kcal |
| Lightly active (walk/light exercise 1-3x/week) | × 1.375 | ~2,228 kcal ← most teens |
| Moderately active (exercise 3-5x/week) | × 1.55 | ~2,511 kcal |
| Very active (hard training 6-7x/week) | × 1.725 | ~2,795 kcal |
For most 17-year-olds, Lightly Active (~2,228 kcal) is a realistic starting point.
Step 3 - Your Weight Loss Calorie Target
To lose 0.5 kg/week, subtract 500 kcal/day from your TDEE.
| Activity Level | TDEE | Target Calories (deficit) |
|---|
| Sedentary | 1,944 | ~1,444 kcal |
| Lightly Active | 2,228 | ~1,728 kcal ← recommended |
| Moderately Active | 2,511 | ~2,011 kcal |
Important: Since you are 17 and still growing, do NOT go below 1,500 kcal/day. Undereating during teenage years can harm bone density and hormonal development. If you are sedentary, aim for a smaller deficit of ~300 kcal and add light exercise instead.
Recommended daily intake: ~1,700 - 1,800 kcal/day (assuming lightly active)
Step 4 - Your Daily Macronutrients
Based on ~1,750 kcal target (lightly active, which is the most common):
Protein
- Target: 1.6 g/kg body weight (higher than base RDA because you want to preserve muscle while losing fat)
- 1.6 × 62.5 = ~100 g protein/day
- Calories from protein: 400 kcal (100 × 4)
Fat
- Target: 25-30% of total calories
- 25% of 1,750 = 437 kcal ÷ 9 = ~48 g fat/day
- Stick to healthy fats: nuts, olive oil, avocado, seeds, fish
Carbohydrates
- Remaining calories after protein + fat
- 1,750 - 400 (protein) - 437 (fat) = 913 kcal ÷ 4 = ~228 g carbs/day
- Focus on complex carbs: brown rice, oats, sweet potato, whole wheat - these keep you full longer and help target fat loss
Fiber
- Target: 25-30 g/day (standard for 14-18 age group per USDA guidelines)
- Sources: vegetables, fruits, legumes, whole grains
Your Full Daily Nutrition Summary
| Nutrient | Daily Target |
|---|
| Calories | 1,700 - 1,800 kcal |
| Protein | 100 g |
| Carbohydrates | 210 - 230 g |
| Fat | 45 - 55 g |
| Fiber | 25 - 30 g |
| Water | 2.5 - 3 L (10-12 glasses) |
Spot Reduction - The Real Talk
One important thing to know: you cannot "spot reduce" belly/thigh/butt fat directly. No exercise or diet specifically burns fat from one area. What actually works:
- Overall fat loss through calorie deficit - your body will gradually lose fat from all areas including belly, thighs, and butt
- Resistance training (squats, lunges, planks) will tone and tighten those specific muscles underneath the fat
- Adequate protein (100 g/day) prevents muscle loss so the fat loss is more visible
Teens naturally carry more fat in the thigh/glute area due to hormones - this is normal and healthy. With consistent deficit + exercise, it will reduce over months.
Practical Tips for You
- Eat protein at every meal - eggs, chicken, lentils (dal), paneer, curd, fish
- Cut ultra-processed foods - chips, biscuits, sugary drinks, fried snacks (these are the biggest calorie bombs)
- Walk 30 minutes daily minimum - this alone can create part of your deficit
- Add bodyweight exercises - squats, lunges, glute bridges, planks 3-4x/week to tighten those target areas
- Sleep 8-9 hours - poor sleep raises cortisol, which increases belly fat storage
- Don't skip meals - 3 proper meals + 1-2 small snacks is better than starving and binging
At 0.5 kg/week, you would reach a healthy lean body weight in a sustainable way without harming your growth. Stay consistent and patient - visible results usually show in 6-8 weeks.