Find out exactly how much protein you need per day. This calculator uses evidence-based recommendations adjusted for your weight, activity level, and goal — whether you're trying to lose fat, maintain, or build muscle.
Enter Your Measurements
Results
Daily Protein Target
143
g
Per Meal
48
g
Grams per Pound of Bodyweight
0.8
g/lb
Protein Calories
572
kcal
Formula
How to Use This Calculator
How to Use
- 1
Enter your current body weight.
- 2
Select your typical activity level.
- 3
Choose your primary goal.
- 4
Enter how many meals you eat per day to see per-meal targets.
Frequently Asked Questions
Frequently Asked Questions
Is too much protein harmful?
Does protein timing matter?
In-Depth Guides
Macros for Weight Loss: What Ratio Actually Works?
Learn the optimal macro ratios for fat loss: high protein, moderate carbs, adequate fat. Science-backed guidance on setting macros for sustainable weight loss.
How Much Protein Do You Actually Need Per Day?
Evidence-based protein intake recommendations for weight loss, muscle building, and general health by goal.
Supplement Guide for Beginners: What Actually Works
Evidence-based review of common supplements — creatine, protein powder, caffeine, and more — with honest effectiveness ratings.
How to Calculate Macros for Muscle Building
Step-by-step guide to calculating macronutrient targets for muscle gain — protein, carb, and fat targets with example calculations for different body weights.
Beginner's Guide to Workout Nutrition: What to Eat Before and After the Gym
Evidence-based nutrition strategies for gym beginners — what to eat before and after workouts, protein timing, and how to fuel your training for maximum results.
Protein Powder Guide: Types, When to Use Them, and What to Look For
A practical guide to protein powder types — whey, casein, plant-based, egg — what the research says, when to use each, and how to choose a quality product.
Cutting Phase Guide: How to Lose Fat While Keeping Muscle
A complete guide to the cutting phase — how to set up your calorie deficit, maintain training intensity, keep muscle while losing fat, and manage hunger.
Meal Prep Guide: How to Prep a Week of Healthy Food in 2 Hours
A practical system for weekly meal prep — what to prep, storage guidelines, which foods hold up best, and how to build a sustainable routine that actually saves time.
How Much Protein Do You Need to Build Muscle?
Evidence-based guide to protein intake for muscle growth, covering daily targets, timing, sources, and what the research actually shows.
Macro Tracking for Beginners: How to Count Macros and Why It Works
A beginner's guide to tracking macronutrients — what macros are, how to set targets, and how to track them without it taking over your life.
Strength Training Basics: How to Build Muscle and Get Stronger
A beginner's guide to the fundamentals of strength training — progressive overload, key lifts, programming, and how to structure your first training plan.
Calorie Surplus for Muscle Building: How Much to Eat to Gain Muscle
How to calculate the right calorie surplus for building muscle without excessive fat gain — lean bulking vs. traditional bulking with realistic expectations.
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About This Calculator
This calculator uses the formula: Protein = Body Weight (kg) × 1.4–2.4 g/kg depending on activity and goal. All calculations follow industry-standard methods. Results are estimates — always verify with a licensed professional for structural or code-compliant work.
Built and maintained by the CalcSmart team. Last updated March 2026.
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