How do I use the Protein Intake Calculator?

Enter your values in the input fields and the Protein Intake Calculator will automatically calculate results in real-time. All calculations are performed instantly in your browser.

Is the Protein Intake Calculator free to use?

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Protein Intake Calculator

Calculate optimal daily protein intake for muscle gain, weight loss, or maintenance.

Logic Verified

Configure parametersUpdated: Feb 2026

Weight (lbs) - 100

Goal0 - 2

Daily Protein Goal (g)

Protein Calories

Expert Analysis & Methodology

Strategic Optimization

Based on your inputs, small adjustments in Weight (lbs) could improve your outcome significantly.

Protein Intake Calculator

Determine your optimal daily protein intake based on your weight and fitness goals.

How much protein do I need?

Sedentary (0.8g/kg): The RDA minimum to prevent deficiency. Not enough for muscle growth.
Active / Maintenance (1.2 - 1.6g/kg): Recommended for active adults to support recovery.
Muscle Gain (1.6 - 2.2g/kg): The "Gold Standard" for athletes. Roughly 1 gram per pound of bodyweight.

High Protein Food Sources

Chicken Breast: ~31g per 100g
Beef: ~26g per 100g
Eggs: ~6g per egg
Whey Protein: ~24g per scoop

Professional health Consultation

Need an expert opinion on your Protein Intake Calculator results? Connect with a verified specialist.

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Disclaimer

This calculator is provided for educational and informational purposes only. It does not constitute professional legal, financial, medical, or engineering advice. While we strive for accuracy, results are estimates based on the inputs provided and should not be relied upon for making significant decisions. Please consult a qualified professional (lawyer, accountant, doctor, etc.) to verify your specific situation. CalculateThis.ai disclaims any liability for damages resulting from the use of this tool.