Getting enough protein is important for maintaining muscle, supporting recovery, and keeping your diet balanced. But the amount of protein you need can vary depending on your body weight, activity level, and fitness goals.
Our free Protein Calculator gives you a simple estimate of your daily protein needs. Enter your weight, choose your activity level and goal, and the calculator will show you an estimated amount of protein to aim for each day.
Protein Calculator
Estimated Daily Protein
How Does the Protein Calculator Work?
This calculator uses your body weight, activity level, and fitness goal to estimate how much protein you may need each day. Protein needs are not exactly the same for everyone, so the result is best used as a general starting point rather than a fixed target.
More active people generally need more protein than those who do little physical activity. People who are trying to build muscle or lose weight may also choose a higher protein intake.
How Much Protein Do You Need Per Day?
Protein requirements depend on several factors, including body weight, exercise habits, age, and your personal goals.
For a general healthy adult, a commonly used starting point is around 0.8 grams of protein per kilogram of body weight per day. People who exercise regularly may need more, particularly when doing resistance training or other demanding activities.
For example, a person weighing 70 kg would need about 56 grams of protein per day at 0.8 g/kg.
Why Is Protein Important?
Protein is one of the main nutrients your body needs every day. It helps maintain and repair muscles and is also involved in many important processes throughout the body.
Getting enough protein can be especially useful when you exercise regularly, are trying to maintain muscle while losing weight, or are working toward a muscle-building goal.
Protein-Rich Foods
You can get protein from many different foods. Some common options include:
- Eggs
- Chicken and other lean meats
- Fish and seafood
- Milk, yogurt, and other dairy products
- Beans and lentils
- Soy and tofu
- Nuts and seeds
- Protein-rich grains and other plant foods
A balanced diet can include a combination of animal and plant sources depending on your dietary preferences.
Frequently Asked Questions
How much protein should I eat every day?
There is no single amount that works for everyone. Your protein needs depend on factors such as body weight, activity level, exercise routine, and goals. Use the calculator above for a general estimate.
Is more protein always better?
Not necessarily. Your overall diet matters, and eating more protein does not automatically provide additional benefits. It is usually better to focus on an appropriate amount along with a balanced diet.
Can I use this calculator for muscle building?
Yes. Select "Build Muscle" as your goal and enter your current weight and activity level. The calculator will provide a higher estimated protein target suitable as a general starting point.
Can I use the calculator for weight loss?
Yes. Select "Weight Loss" to get an estimate based on your weight, activity level, and goal. Protein is only one part of a healthy weight-loss plan.
Should I eat protein before or after exercise?
Protein can be included as part of meals or snacks throughout the day. Having a protein-containing meal or snack around your workout can be convenient, but your total daily protein intake is also important.
Is this calculator suitable for children or people with medical conditions?
This tool is designed for general estimates for healthy adults. Children, pregnant or breastfeeding people, and anyone with a medical condition that affects diet or protein intake should get individualized advice from a qualified healthcare professional.
Disclaimer: This calculator provides general estimates for informational purposes only and is not medical advice. Protein needs can vary from person to person. Consult a qualified healthcare professional for personalized dietary guidance.