Protein Calculator
Estimate your daily protein needs based on weight, activity level, and goal.
Published by:
isCalculator Editorial Team
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How to use this tool?
How to Use the Protein Calculator
Follow these steps to calculate your daily protein needs:
- Enter your weight in the first field. You can switch between kilograms (kg) and pounds (lb) using the dropdown.
- Select your activity level from the dropdown (e.g., Sedentary, Active). This adjusts the protein factor based on how much you exercise.
- Choose your goal: Maintain weight, Lose weight, or Gain muscle. This fine-tunes the calculation.
- Click "Calculate" to see your recommended daily protein intake in grams.
The result shows your exact protein target, a recommended range, and the formula used (weight × activity factor × goal adjustment). All inputs are required for accuracy.
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Frequently Asked Questions
Protein need is estimated by multiplying your body weight in kilograms by a factor based on activity level and goal. The factor ranges from 0.8 g/kg for sedentary individuals to 1.8 g/kg for very active individuals aiming to gain muscle.
You can input your weight in kilograms or pounds. The calculator automatically converts pounds to kilograms for the calculation.
Yes, it includes an activity level for very active individuals and a goal to gain muscle, making it suitable for athletes.
