Macros Calculator

Enter your calorie target and choose a goal style to get daily macro gram targets.

Calorie Target Goal Style / Ratio

Result
—

How this calculation works

What each input means

Calorie target — Daily calories to split into macros.
Goal style / ratio — Preset protein/carbs/fat percentages that sum to 100%.

Formula used

Atwater-style grams: protein g = calories × (P% ÷ 100) ÷ 4, carbs g = calories × (C% ÷ 100) ÷ 4, fat g = calories × (F% ÷ 100) ÷ 9.

Educational split only—not a meal plan or medical advice.

How this result is estimated

This macro split calculator applies the formulas described on this page to the values you enter. Outputs are not financial, tax, legal, or medical advice.

Inputs are user-provided and may include rounding.
Where accuracy, eligibility, or obligations matter, rely on official disclosures and licensed professionals.

Last reviewed: 2026-04-17

Frequently asked questions

Is this calculator result exact?

It is an estimate based on your inputs and may differ from official or provider-specific calculations.

Does this site provide financial, tax, or legal advice?

No. Each tool applies explicit formulas to values you supply. Financial, tax, and legal conclusions belong with licensed professionals and official documents.

Home | Category Hub

Related Calculators

More related calculators

Weight Loss Calculator