Protein Intake Calculator
Calculate your optimal daily protein intake based on the latest science
Protein requirements vary significantly based on your body weight, activity level, and goals. The outdated recommendation of 0.8 g/kg was designed to prevent deficiency, not to optimize health and performance. Use this calculator to get a personalized recommendation grounded in current research.
Frequently Asked Questions
- How much protein do I need per day?
- Most active adults need between 1.2 and 2.0 grams of protein per kilogram of body weight per day. Sedentary individuals can aim for 0.8 to 1.2 g/kg, while serious athletes may need up to 2.2 g/kg or more. Our calculator provides a personalized range based on your specific profile.
- Is it possible to eat too much protein?
- For healthy adults, protein intakes up to 2.2 g/kg per day are well-studied and safe. Very high intakes (above 3 g/kg) have not shown adverse effects in healthy individuals in short-term studies, but there is limited long-term data. If you have kidney disease or other health conditions, consult your doctor about appropriate protein intake.
- Do I need protein powder, or can I get enough from food?
- You can absolutely meet your protein needs through whole foods alone. Protein powder is a convenient supplement that helps fill gaps, especially for people with high requirements, busy schedules, or reduced appetite. It is not a replacement for a balanced diet but rather a practical tool for hitting your daily target.
- Does the timing of protein intake matter?
- Total daily protein intake matters more than timing. However, distributing protein evenly across 3-4 meals (20-40g per meal) appears to optimize muscle protein synthesis. Consuming protein within a few hours of exercise is beneficial, but the exact timing window is more flexible than previously thought.