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Health & Fitness

Protein Calculator.

Determine daily protein requirements for muscle gain, maintenance, or weight loss.

FREE INSTANT RESULTS NO SIGNUP UPDATED 2026

Parameters

lbs

Summary Output

Minimum Target
80g g
Maximum Target
120g g

How to Use

Enter your weight and target goal. Ideal ranges are displayed to support preservation of lean mass.

Example Calculation

For a 160 lb person seeking muscle growth, the target range is 160 * 0.8 to 160 * 1.0 = 128g to 160g of daily protein.

Formula

Maintain: 0.5 - 0.7 g/lb
Weight Loss: 0.7 - 0.9 g/lb
Gain/Bulk: 0.8 - 1.0+ g/lb

Frequently Asked Questions

Common questions and answers about the Protein Calculator.

The Protein Calculator is a free online tool designed to determine daily protein requirements for muscle gain, maintenance, or weight loss. It allows you to perform these calculations quickly and accurately without manual computations.
Enter your weight and target goal. Ideal ranges are displayed to support preservation of lean mass. Once you enter these values, the calculator will automatically compute and display the results instantly.
The Protein Calculator uses the following formula to calculate your results: Maintain: 0.5 - 0.7 g/lb Weight Loss: 0.7 - 0.9 g/lb Gain/Bulk: 0.8 - 1.0+ g/lb This formula is standard and widely accepted for these types of calculations.
Sure! Here is a practical example: For a 160 lb person seeking muscle growth, the target range is 160 * 0.8 to 160 * 1.0 = 128g to 160g of daily protein. This example demonstrates how the inputs are processed through the formula to yield the final results.
To use the Protein Calculator, you need to enter: Body Weight (lbs), Fitness Goal. These inputs help the tool calculate precise results tailored to your situation.
The Protein Calculator outputs the following details: Minimum Target, Maximum Target. This comprehensive breakdown helps you understand the different aspects of the calculated figures.
Yes, the Protein Calculator is 100% free with no registration or signup required. It is fully responsive and optimized for mobile phones, tablets, and desktop computers.
Reliable Calculator provides a fast, clean, ad-free, and premium user experience. The Protein Calculator uses verified math formulas and provides instant results with visual breakdowns and examples, making it more intuitive than other tools.