Health category
Fitness, nutrition, pregnancy, sleep, and wellness calculators.
Protein Calculator
Estimate your ideal daily protein intake for maintenance, fat loss, muscle gain, or athletic performance. Get a practical grams-per-day target and easy per-meal breakdowns.
Daily Protein Goal
86g
Range: 73 to 98g
Protein per kg
1.05 g/kg
General maintenance
Protein % of Calories
14%
Based on a rough maintenance calorie estimate
3 meals per day
29g / meal
4 meals per day
21g / meal
5 meals per day
17g / meal
Protein food reference
Quick serving ideas to help you hit your target.
| Food | Protein per serving |
|---|---|
| Chicken breast (3 oz cooked) | 26g |
| 2 large eggs | 12g |
| Greek yogurt (1 cup) | 20g |
| Tofu (1/2 block) | 18g |
| Salmon (3 oz cooked) | 22g |
| Whey protein (1 scoop) | 24g |
| Lentils (1 cup cooked) | 18g |
| Cottage cheese (1 cup) | 25g |
| Tuna (1 can) | 27g |
| Edamame (1 cup) | 17g |
EveryCalc calculators are designed for fast, practical estimates with transparent inputs and no required account. We use plain formulas, visible assumptions, and related tools so visitors can check the result from more than one angle.
Results are informational only. For financial, tax, legal, medical, construction, or other high-impact decisions, verify the output against primary sources or a qualified professional.
Learn more about our review process on the EveryCalc methodology page.
How this calculator works
What this page estimates
This Protein Calculator is built to give a quick, browser-based estimate for protein. Estimate your ideal daily protein intake for maintenance, fat loss, muscle gain, or athletic performance. Get a practical grams-per-day target and easy per-meal breakdowns. The inputs stay on the page during normal use, and the result should be treated as an estimate for planning, comparison, or education rather than professional advice.
Calculation approach
The calculator applies the standard relationship implied by the inputs, then formats the answer so it can be checked and reused. For health tools, the most important step is using consistent units, rates, time periods, and assumptions before comparing the result with another calculator or outside quote.
Example workflow
For example, start with a realistic value you already know, change one input at a time, and watch how the answer moves. That makes it easier to tell whether the result is being driven by the main amount, the rate, the time period, or a unit conversion.
Practical checks
- Use current, real-world numbers when the result affects money, health, tax, or legal decisions.
- Run a low, base, and high case when the inputs are estimates.
- Check the related calculators below when the next decision depends on a different assumption.
How to interpret the protein result
Best use
Use the result as an informational wellness estimate that can help organize measurements, targets, or timing before a conversation with a clinician.
Cross-check
Compare the output with your own records, device readings, lab values, medication instructions, or guidance from a qualified health professional.
Watch for
Do not use this page to diagnose, treat, or ignore symptoms. Health calculators are most useful when they make questions clearer, not when they replace care.
This page belongs to the Health calculator library, so the answer should be read in the context of the decision you are modeling rather than as a universal rule.
Before relying on this protein estimate
Most calculator mistakes come from the inputs, not the arithmetic. Use this short audit before you reuse the answer in a spreadsheet, quote, application, or important conversation.
Use current measurements
Recent weight, height, age, activity, nutrition, sleep, or timing inputs matter more than remembered estimates.
Look for context
A calculator can organize a wellness number, but it cannot read symptoms, medical history, medications, or lab results.
Escalate high-impact questions
Use clinical guidance for pregnancy, dosage, heart, risk, illness, or treatment decisions.
Rerun this page when measurements change, a clinician gives new guidance, or the result is being used for a new goal.
How to Use
- Enter your body weight and choose pounds or kilograms.
- Select your goal, activity level, age, and gender.
- Review your recommended protein range and midpoint daily target.
- Use the meal breakdown and food reference table to turn the number into an actual eating plan.
Frequently Asked Questions
How much protein do I need per day?
Most adults need at least 0.8 grams of protein per kilogram of body weight, while active people often do better around 1.2 to 1.7 g/kg. Muscle-building phases commonly fall between 1.6 and 2.2 g/kg.
Is more protein better for building muscle?
Up to a point, yes. Higher protein intake can support muscle repair and growth, but benefits usually level off beyond about 2.2 g/kg for most people. Total calories, resistance training, sleep, and consistency still matter a lot.
Should I spread protein across the day?
Usually yes. Dividing your protein into 3 to 5 meals can make it easier to hit your target and may support muscle protein synthesis better than eating almost all of it in one meal.
Does age affect protein needs?
Often it does. Older adults may benefit from somewhat higher protein intake to help preserve muscle mass and function, especially during weight loss or reduced activity.
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