Online Protein Calculator

Estimate how many grams of protein you need each day based on your body weight and goal. A simple, research-based range for muscle gain, maintenance or fat loss.

Tool Features

• Estimate daily protein in grams
• Per-goal multiplier ranges
• Switch metric and imperial weight
• Responsive design for mobile and desktop
• No registration or software installation

Common Usage

• Plan meals around a protein target
• Support muscle-building training
• Set intake while cutting weight
• Pair with a calorie goal for dieting