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Protein Calculator

Calculate your optimal daily protein intake. Get per-meal targets, food source recommendations, and meal planning tips for your fitness goals.

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How to Use Protein Calculator

  1. 1Enter your weight and select units
  2. 2Choose your activity level and fitness goal
  3. 3View daily and per-meal protein targets
  4. 4Check food sources and meal suggestions

Frequently Asked Questions

The RDA is 0.8g per kg of body weight for general health. Active individuals need 1.2-1.6g/kg, and those building muscle need 1.6-2.2g/kg.

For healthy adults, protein up to 2.2g/kg is well-studied and safe. Higher amounts may be safe but have less research support. Those with kidney disease should consult a doctor.

Complete protein sources include chicken breast (31g/100g), eggs (6g each), fish (20-25g/100g), Greek yogurt (17g/170g), and tofu (8g/100g).

The Protein Calculator is a free online tool that lets you calculate your optimal daily protein intake based on weight, activity level, and fitness goals. It is part of NexTool's collection of free tools designed to help you work faster and more efficiently.

Using the Protein Calculator is simple: visit the tool page, enter your data or input into the provided fields, and get instant results. No downloads, installations, or sign-ups are required. The tool runs directly in your web browser for maximum convenience.

Yes, the Protein Calculator is 100% free to use with no limitations. There is no registration required, no daily usage caps, and no hidden fees. You can use it as many times as you need.

The Protein Calculator uses industry-standard formulas and algorithms to deliver reliable results. While the tool is designed for accuracy, results should be used as estimates and guidance. For critical decisions, always consult a qualified professional.

Yes, after running your calculation you can copy the results to your clipboard or take a screenshot. The Protein Calculator displays a detailed breakdown so you can easily record or share your numbers. No account is required to use or save results.

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About Protein Calculator

Calculate your optimal daily protein intake. Get per-meal targets, food source recommendations, and meal planning tips for your fitness goals.

NexTool's Protein Calculator is completely free to use with no sign-up required. Your data is processed directly in your browser and never sent to our servers, ensuring complete privacy and instant results.

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Learn More

Health · 7 min readHow to Calculate Your Macros for Weight Loss or Muscle GainStep-by-step guide to calculating your macronutrient needs. Learn how to set protein, carbs, and fat targets for weight loss, maintenance, or muscle building.Health · 9 min readHow to Calculate Your Daily Protein Needs: Science-Based GuideCalculate your daily protein needs based on weight, activity level, and fitness goals. Includes protein-rich food lists, meal timing tips, and common myths debunked.

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Protein Source Guide
Animal Protein
Chicken Breast
150g / 5.3oz
46.5g
31g/100g
Eggs (large)
2 eggs (100g)
12.6g
12.6g/100g
Salmon
150g / 5.3oz
37.5g
25g/100g
Ground Beef (90% lean)
150g / 5.3oz
39g
26g/100g
Dairy & Supplements
Greek Yogurt
200g / 7oz
20g
10g/100g
Cottage Cheese
200g / 7oz
22g
11g/100g
Whey Protein Scoop
1 scoop (30g)
24g
80g/100g
Plant Protein
Tofu (firm)
150g / 5.3oz
12g
8g/100g
Lentils (cooked)
200g / 7oz
18g
9g/100g
Chickpeas (cooked)
200g / 7oz
17.8g
8.9g/100g
Tempeh
100g / 3.5oz
19g
19g/100g
Edamame
150g / 5.3oz
16.5g
11g/100g
Enter your age, weight, and select your activity level and fitness goal to calculate your optimal daily protein intake in real time.
Disclaimer

This calculator provides estimates based on general dietary guidelines and research on protein requirements. Individual needs may vary significantly based on body composition, metabolic rate, training intensity, and medical conditions.

This is not medical or nutritional advice. Consult a registered dietitian or healthcare professional before making significant changes to your protein intake, especially if you have kidney disease or other medical conditions.