How to Calculate Your Macros for Any Diet Goal
Counting calories alone misses half the picture. Here's how to set protein, carb, and fat targets that actually match your goal — whether that's fat loss, muscle gain, or just feeling better.
To calculate macros: find your TDEE (total daily calories burned), adjust for your goal (deficit for fat loss, surplus for muscle gain), then split calories into protein (4 cal/g), carbs (4 cal/g), and fat (9 cal/g) based on your chosen ratio — commonly 40% carbs/30% protein/30% fat for a balanced approach.
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Step 1: Find Your Calorie Target
Start with your TDEE (Total Daily Energy Expenditure), then adjust for your goal: subtract ~500 cal/day for fat loss, add ~300 cal/day for muscle gain, or stay at TDEE to maintain.
Step 2: Choose Your Macro Ratio
| Diet Style | Carbs | Protein | Fat |
|---|---|---|---|
| Balanced | 40% | 30% | 30% |
| High Protein | 35% | 40% | 25% |
| Low Carb | 20% | 40% | 40% |
| Low Fat | 55% | 30% | 15% |
Step 3: Convert Percentages to Grams
Protein and carbs = 4 calories per gram. Fat = 9 calories per gram. For a 2,200-calorie balanced diet: Protein = (2,200 × 0.30) ÷ 4 = 165g. Carbs = (2,200 × 0.40) ÷ 4 = 220g. Fat = (2,200 × 0.30) ÷ 9 = 73g.
Why Protein Should Be a Priority
Research generally supports 0.7-1.0g of protein per pound of bodyweight for muscle building or preserving muscle during a calorie deficit — well above the RDA of 0.36g/lb, which is set for basic health, not athletic performance.
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