Use this macro calculator to turn a daily calorie target into protein, carbohydrate, and fat grams. Choose a starting macro split, enter how many meals you prefer, and use the result as a flexible planning target—not a rigid rule.
Calories set the budget; macros allocate protein, carbohydrates, and fat inside it.
Start with a calorie target, then choose a macro split you can sustain. The calculator converts each percentage into grams: protein calories divided by 4, carbohydrate calories divided by 4, and fat calories divided by 9. The result is a practical planning target, not a diagnosis or a mandatory prescription.
| Split | Best starting use |
|---|---|
| 30/40/30 | Balanced eating and general training. |
| 35/35/30 | When you prefer a higher-protein starting point. |
| 30/30/40 | When you prefer more fat and fewer carbohydrates. |
| 25/50/25 | When high-volume training makes more carbohydrates useful. |
Macros only work inside a calorie target that matches your goal. Use the TDEE calculator to estimate maintenance calories, then use this page to organize the calories into daily macros.
Consistency beats a perfect split. Track your weekly trend, training performance, hunger, and recovery for two to three weeks before making a small change. Pair your nutrition with a repeatable plan such as the 3-day full-body workout or 4-day upper/lower plan.
Macros are the three major nutrients that supply energy: protein, carbohydrates, and fat.
No. Use the targets as a consistent average rather than chasing perfect single-day numbers.
People under 18, pregnancy or breastfeeding, eating-disorder recovery, or medical conditions requiring dietary management should use individualized guidance from a qualified clinician or dietitian.
A macro calculator gives you a simple framework: set a realistic calorie target, choose a sustainable split, and adjust only after you have a consistent real-world trend.
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