How to count macros
without losing your mind.

Two diets with identical calories can produce very different results. 2,000 calories built on adequate protein keeps muscle around while you lose fat; 2,000 calories of mostly refined carbs and fat tends to cost you muscle along the way — and muscle is exactly what you want to keep.

Protein also does double duty: it's the most filling macro per calorie and takes the most energy to digest. People who track protein usually find a deficit easier to live with, which matters more than any formula — the diet you can stay on is the one that works.

Calories still decide whether your weight goes up or down. Macros decide what the change is made of.

Macro targets live inside a calorie budget, so that number comes first. Your starting point is your TDEE — total daily energy expenditure, the calories you burn in a normal day. We cover estimating it properly in our calorie needs guide, but any reputable TDEE calculator gets you close enough to start.

From there, pick a direction: eat a bit under TDEE to lose fat, at TDEE to maintain, a bit over to build. Modest adjustments — 10 to 20 percent — are far easier to sustain than aggressive ones, and sustainability wins every time.

Set protein first — it's the macro with the strongest evidence behind a specific target. For active people that's roughly 1.6 to 2.2 grams per kilogram of body weight per day (our protein guide goes deeper). Then give fat a floor of about 20 to 30 percent of calories, since hormones and vitamin absorption depend on it. Whatever calories remain go to carbs, which fuel training and daily life.

As worked examples, here's how three common goals might split a day:

• Cutting at 1,800 kcal: 150 g protein, 60 g fat, 165 g carbs — protein high to protect muscle in a deficit.
• Maintaining at 2,300 kcal: 140 g protein, 75 g fat, 265 g carbs — a comfortable, flexible middle ground.
• Lean bulking at 2,700 kcal: 150 g protein, 85 g fat, 335 g carbs — extra energy mostly from carbs to fuel training.

Packaged food is easy: the label already did the math, so log what the label says. For everything else, a cheap kitchen scale is the fastest way to learn what 100 grams of rice or 30 grams of peanut butter actually looks like. Most people only need a few weeks of weighing before their portion estimates get reliably close.

For cooked meals and restaurant plates — where weighing is impractical — photo logging closes the gap. Snap the plate, let MacroTrackr's AI draft the items and portions, correct anything that looks off, and save. A meal that used to take five database searches takes one photo.

Whatever mix of methods you use, the target is consistency, not perfection. A log that's 90 percent accurate every single day beats a lab-grade log you abandon by Thursday.

Almost everyone who 'counted macros and it didn't work' hit one of a few classic traps:

• Tracking Monday to Friday and winging the weekend — two loose days can erase five careful ones.
• Forgetting the invisible calories: cooking oil, butter in the pan, dressings, and caloric drinks.
• Changing targets every week instead of giving one set two to three weeks to show a trend.
• Chasing perfect grams daily instead of watching the weekly average, which is the number that actually matters.