Macro Calculator -- Daily Protein, Carbs & Fat Goals
Macronutrients (protein, carbs, fat) are the three main nutrients that provide calories.
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📐 Formula
💡 Practical Example
Male, 30 yrs, 175 cm, 75 kg, moderate activity, cutting (-500 kcal): TDEE = 2,133 kcal. Protein = 165g (660 kcal). Fat = 59g (533 kcal). Carbs = 235g (940 kcal).
📖 About Macro Calculator -- Daily Protein, Carbs & Fat Goals
Macronutrients (protein, carbs, fat) are the three main nutrients that provide calories. Protein is key for muscle retention during cuts. Fat supports hormones. Carbs fuel training performance.
To use the Macro Calculator -- Daily Protein, Carbs & Fat Goals, enter your Sex, Age, Height and other values. The calculator instantly computes TDEE (Daily Calorie Target), Protein Target and more. Results update in real time as you change any input — no submit button needed.
How to Use This Calculator
Enter your Sex — select from Male, Female, Age (e.g. 30 in years), Height (e.g. 175 in cm), Weight (e.g. 75 in kg), Activity Level — select from Sedentary (×1.2), Light (×1.375), Moderate (×1.55), and Fitness Goal — select from Cut / Lose Fat (-500 kcal), Maintain Weight, Bulk / Build Muscle (+300 kcal). Results update instantly — no submit button needed. Use metric or imperial units as labeled. For the most accurate result, measure height and weight in the morning without shoes.
The Formula
Protein = 2.2g × Weight (kg) | Fat = 25% of calories ÷ 9
Carbs = (Total Calories - Protein Calories - Fat Calories) ÷ 4
Worked Example
Male, 30 yrs, 175 cm, 75 kg, moderate activity, cutting (-500 kcal): TDEE = 2,133 kcal. Protein = 165g (660 kcal). Fat = 59g (533 kcal). Carbs = 235g (940 kcal).
Understanding Your Result
Current evidence-based protein recommendations: Sedentary adults: 0.8 g/kg body weight (RDA minimum). Active adults: 1.2–1.6 g/kg. Athletes or those building muscle: 1.6–2.2 g/kg. Older adults (65+): 1.2–1.6 g/kg to counter sarcopenia. The RDA (0.8 g/kg) is the minimum to prevent deficiency — not the optimal intake for body composition or longevity. Protein at each meal (25–40g) maximizes muscle protein synthesis; distribution matters as much as total daily amount.
💡 Expert Health Guidance & Clinical Context
- This calculator uses clinically validated formulas and population reference data published by the WHO and NIH. Results are screening estimates, not medical diagnoses.
- Consult a licensed healthcare provider before making any changes to diet, medication, or exercise based on these results — individual variation is significant.
- Genetics, chronic conditions, and concurrent medications can dramatically affect what a "normal" result means for a specific individual.
- Track your results over time: a single data point is less meaningful than a trend measured consistently across multiple weeks or months.
- The CDC recommends adults receive routine health screenings at least annually. Use these calculations to prepare informed questions for your physician.
- Body composition, lifestyle factors, and stress levels all interact with the metrics shown here. No single number captures your full health picture.
- For pediatric or geriatric populations, reference ranges may differ significantly from the adult standards used in general calculators.
- Always cross-reference results with laboratory tests, clinical examinations, and professional medical evaluation before acting on any finding.
Results are for informational and educational purposes only. Always verify critical decisions with a qualified professional.