what should my macros be to lose weight

For most people, a good starting point for weight loss macros is a moderate calorie deficit with higher protein, moderate carbs, and moderate fat.
Quick Scoop
A practical, sustainable macro split many people use for weight loss is:
- 30–35% of calories from protein
- 30–40% of calories from carbohydrates
- 25–30% of calories from fat
This sits inside the official “acceptable macronutrient distribution ranges” used in nutrition research, which are roughly:
- Carbs: 45–65% of calories
- Protein: 10–35% of calories
- Fat: 20–35% of calories
Research suggests there is no single “best” macro ratio; being in a calorie deficit matters more than the exact split, as long as protein is high enough to keep you full and help preserve muscle.
How to turn this into your numbers
- Estimate your daily calorie target for slow, steady fat loss (often about 300–500 calories below what maintains your current weight).
- Choose a starting macro split like 30% protein / 35% carbs / 35% fat, or 35% protein / 35% carbs / 30% fat if you prefer higher protein.
- Convert percentages to grams:
- Protein grams = (calories × protein %) ÷ 4
- Carb grams = (calories × carb %) ÷ 4
- Fat grams = (calories × fat %) ÷ 9
Many modern guides and articles also recommend aiming for about 1.2–2 grams of protein per kilogram of body weight per day during fat loss to support muscle and hunger control, which usually fits inside that 25–35% protein range for most people.
If you share your age, sex, height, weight, activity level, and how fast you want to lose, a fully personalized macro breakdown can be sketched for you within those evidence-based ranges. Information gathered from public forums or data available on the internet and portrayed here.