Daily macro planner

Free Macro Calculator

A macro calculator is a free online tool that estimates daily calories and turns them into protein, carbohydrates, and fat targets for your activity level and goal.

Protein carb fat planner

Build daily macro targets

Enter body stats, activity, and a goal to estimate calories, protein, carbs, fat, and per-meal targets.

Activity level
Goal
Fat loss

Your macro targets

Based on moderately active activity and a fat loss goal.

Daily calorie target

2,014

Maintenance estimate: 2,369 calories/day

Protein

171g

684 calories

Carbs

191g

763 calories

Fat

63g

567 calories

Per meal

504

43g P / 48g C / 16g F

Practical planning notes

  • Protein is estimated from body weight and goal.
  • Fat is set as a share of calories, then carbs fill the rest.
  • Use the per-meal row as a rough packing target, not a strict rule.

Calories first

Estimates maintenance calories before applying a goal adjustment.

Goal-based protein

Adjusts protein targets for fat loss, maintenance, and muscle gain.

Per-meal planning

Breaks calories and macros into practical meal-level targets.

Macro calculator FAQ

What is a macro calculator?

A macro calculator estimates daily calories and splits them into protein, carbohydrates, and fat based on your body stats, activity level, and goal.

How much protein should I eat per day?

Many macro plans use roughly 0.8 to 1 gram of protein per pound of body weight, adjusted by goal. This calculator uses a higher target for fat loss and muscle gain.

Are carbs bad for weight loss?

No. Carbs are an energy source. For most people, total calories, protein consistency, food quality, and adherence matter more than cutting carbs very low.

Should families use the same macro targets?

No. Adults should use individual targets, and children or teens should not follow generic macro cuts without clinician guidance.

Is this macro calculator medical advice?

No. It is an educational planning tool. Talk with a clinician or registered dietitian for personal nutrition guidance.

Related tools

Keep planning meals and household routines with more free FamilyGPT tools.

View all tools

Want safer AI help with family routines?

FamilyGPT helps parents guide child-safe AI use for learning, planning, and everyday household decisions.

Explore FamilyGPT