Macro Calculator

Turn a daily calorie target into protein, carbs, and fat grams, compare preset splits, and sanity-check protein grams per kilogram before you lock a plan.

The share URL stores only settings. Use this page for planning, not for medical diagnosis or personalized clinical advice.

Other languages 日本語 | English

How to use

  1. Enter the daily calories you want to work with.
  2. Choose a macro split or load one of the presets, then compare the resulting grams.
  3. If body weight matters for your use case, enter weight to see protein grams per kilogram.

Wave 40 breadth expansion

Convert calorie targets into practical macro grams

This page keeps the calculation intentionally light so you can compare scenarios quickly before you move to a fuller diet plan.

Enter daily calories and macro ratios to estimate grams per day.

How to choose between nearby pages

Use Calorie & Weight-loss Planner or BMR & TDEE when calories are not fixed yet. Use Water Intake when the missing baseline is hydration rather than calories or macros. Use Calorie Deficit for a cutting gap or Calorie Surplus for a gaining surplus before you lock the intake direction. Use Meal Calorie Split when the daily number is fixed but still needs a breakfast / lunch / dinner structure. Use Protein Intake when you want a body-weight-based protein checkpoint, then use Protein Per Meal when that daily protein target needs meal-by-meal grams. Use Macro Per Meal after this page when the daily PFC totals are already fixed and the remaining job is meal-by-meal execution.

FAQ

What does this page calculate?

It converts a calorie target plus protein, carb, and fat ratios into daily grams and calorie contributions for each macro.

Why are the ratios normalized automatically?

If the entered percentages do not sum to exactly 100, the page rescales them to the same ratio so you can still compare a practical split without manual cleanup.

What is grams per kilogram used for?

It gives a quick protein-per-body-weight check, which is helpful when comparing different calorie plans against one body-weight baseline.

Does this page give medical nutrition advice?

No. It is a planning aid only. Use registered dietitian or clinical guidance when you need personalized medical nutrition advice.