Macro Calculator by Fitness Goal
Estimate calorie, protein, carbohydrate, and fat targets for cutting, maintaining, or bulking.
Result
Maintenance calories: 2387 kcal
Target calories: 2387 kcal
Protein: 179 g
Fat: 66 g
Carbs: 269 g
How to Use This Tool
Input your current body weight in kilograms for accurate calculations.
Choose your daily activity level from sedentary to very active.
Select whether you want to cut, maintain, or bulk for personalized macros.
Get instant calculations for calories, protein, carbs, and fat grams.
Example Results
Weight Loss Plan
70kg, moderate activity, cutting goal
Maintenance Plan
65kg, light activity, maintain goal
Muscle Building
75kg, active lifestyle, bulking goal
Athletic Performance
80kg, active exercise, performance goal
Frequently Asked Questions
How accurate are these macro calculations?
These estimates use standard formulas and are suitable for planning purposes. For precise requirements, especially for athletic or medical purposes, consult with registered dietitians or healthcare professionals.
What macro ratio do you use and why?
We use 30% protein, 25% fat, and 45% carbohydrates as a balanced baseline. This provides adequate protein for muscle maintenance, healthy fats for hormonal function, and sufficient carbs for energy.
How do I adjust macros for specific diets?
Keto diets reduce carbs and increase fat, while low-fat diets adjust fat and carbs upwards. Always ensure adequate protein intake. Consider consulting nutrition professionals for specialized diet planning.
When should I recalculate my macros?
Recalculate when your weight changes significantly (5kg+), activity level changes, or when switching between fitness goals. Monthly recalculation helps track progress and adjust intake.
Can I use this for food products, not personal nutrition?
While this calculator is designed for individual nutritional planning, the same principles apply to product formulation. Food developers use similar macro ratios for balanced product design.
Do I need to track macros daily?
Daily tracking is helpful initially but becomes less necessary over time as you learn portion sizes. Some people prefer weekly targets, while others track daily. Find what works best for your lifestyle.