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HomehealthProtein Intake Calculator

Protein Intake Calculator

Calculate your recommended daily protein intake based on weight, activity level, and fitness goals.

Our free Protein Intake Calculator lets you calculate your recommended daily protein intake based on weight, activity level, and fitness goals. It is built for individuals tracking fitness, nutrition, and wellness goals who need fast, reliable results without installing software or creating an account.

Protein Intake Calculator runs entirely in your browser on CalculatorsPlus — enter your values, get instant results, and copy or share your output in one click. Your data never leaves your device; we do not store inputs on any server.

Wellness metrics like those from the protein intake calculator are most useful when tracked over weeks and months. Record your results, note lifestyle changes, and discuss trends with a qualified health professional when making significant diet or training decisions.

Results update in real time as you change inputs, so you can explore "what if" scenarios — adjust one variable at a time to see how it affects the outcome before committing to a purchase, plan, or decision.

This page includes step-by-step instructions, frequently asked questions, and practical tips below the calculator. Bookmark it for repeat use — many health tasks come up weekly during projects, studies, or financial planning.

Common Uses

  • Set a baseline with the protein intake calculator and track progress over time
  • Prepare informed questions for doctors, trainers, or nutritionists
  • Compare estimates across different activity levels or inputs
  • Quick checks during meal planning, workouts, or pregnancy tracking

How to Use the Protein Intake Calculator

  1. 1

    Enter your weight

    Input your body weight in kg or pounds.

  2. 2

    Select activity and goal

    Choose your activity level and fitness goal.

  3. 3

    View protein target

    See your recommended daily protein intake in grams.

💡 Tips & Tricks

  • Include a protein source in every meal and snack to spread intake throughout the day.
  • If struggling to hit protein targets, consider adding a whey or plant protein supplement.
  • Higher protein intake during a calorie deficit helps preserve muscle mass.

Frequently Asked Questions

How much protein do I need daily?
General adults need 0.8g/kg body weight. For active individuals: 1.2–1.6g/kg. For muscle building: 1.6–2.2g/kg. For weight loss with resistance training: 1.6–2.4g/kg.
Can I eat too much protein?
For healthy individuals, up to 2.2g/kg is well-tolerated. Very high protein intake (>3.5g/kg) long-term may stress kidneys in those with pre-existing kidney disease.
What are the best protein sources?
Complete proteins: chicken, fish, eggs, dairy, beef, soy. Plant sources (beans, lentils, nuts) can provide sufficient protein when combined throughout the day.
Does protein timing matter?
Total daily protein is far more important than timing. However, spreading intake evenly across 3–4 meals (20–40g each) may slightly optimize muscle protein synthesis.