Protein Intake Calculator
lbs
kg
Maintenance (General Health)
Muscle Gain (Bodybuilding)
Weight Loss (Preserving Muscle)
Endurance Athlete
Sedentary (Little to no exercise)
Light (1-3 days/week)
Moderate (3-5 days/week)
Very Active (Daily intense training)
Your Recommended Daily Protein:
0g
How Much Protein Do You Actually Need?
Protein is the fundamental building block of human tissue, including muscles, skin, enzymes, and hormones. Calculating your specific protein requirements is essential for optimizing recovery, managing hunger, and achieving body composition goals like muscle gain or fat loss.
Factors Influencing Protein Requirements
- Body Weight: Larger individuals generally require more protein to maintain existing lean mass.
- Activity Level: Resistance training and endurance sports create micro-tears in muscle fibers that require protein for repair.
- Fitness Goals: If you are in a calorie deficit (losing weight), higher protein intake is required to prevent the body from burning muscle for fuel.
- Age: Older adults often benefit from higher protein intake (1.2g/kg+) to combat sarcopenia (age-related muscle loss).
Example Calculations
To understand how these numbers translate to real life, consider these scenarios:
| Individual | Goal | Daily Target |
|---|---|---|
| 150 lb Sedentary Adult | Maintenance | 55g – 80g |
| 180 lb Weight Lifter | Muscle Gain | 140g – 180g |
| 200 lb Overweight | Fat Loss | 160g – 210g |
Best High-Protein Food Sources
Meeting your protein target is easier when you focus on protein-dense whole foods:
- Chicken Breast: ~31g protein per 100g
- Greek Yogurt (Non-fat): ~10g protein per 100g
- Lentils: ~9g protein per 100g (cooked)
- Eggs: ~6g protein per large egg
- Whey Protein: ~25g protein per scoop
Pro Tip: Space your protein intake throughout the day. Research suggests that consuming 20-40g of protein every 3-4 hours is more effective for muscle protein synthesis than consuming your entire daily requirement in one sitting.