Macro Split
Free Macro Split calculator with clear step-by-step results.
About Macro Split
A macro split assigns calories to protein, fat and carbs by percentage.
Formula
Formula
Grams = (calories × %) ÷ kcal per gram (4, 9, 4)
Worked example
With the default values below, Macro Split returns Protein of 165.00. Change any input above and every figure here is recalculated in your browser.
Inputs used
- Daily caloriesminimum 0 kcal
- 2,200 kcal
- Protein %accepts 0–60
- 30
- Fat %accepts 0–60
- 30
Results
- Protein
- 165.00 g
- Fat
- 73.33 g
- Carbs
- 220.00 g
Step by step
- 1Values used
- 2Formula
- 3Protein= 165 g
- 4Fat= 73.33 g
- 5Carbs= 220.00 g
Assumptions and limits
- The result is derived only from the 3 inputs listed above. Anything not among them is not part of the calculation.
- In particular, this calculator does not take inflation, tax, fees or charges or compounding frequency into account.
- Estimates are general guidance — consult a healthcare professional for personal medical advice.
- This is an estimate for general information and not professional medical advice. See the full disclaimer for the limits that apply to this kind of calculator.
How these calculators are built and tested is described on the Methodology page. If a figure looks wrong, please report it.
Estimates are general guidance — consult a healthcare professional for personal medical advice.
Frequently Asked Questions
How does this calculator work?
A macro split assigns calories to protein, fat and carbs by percentage.
Why does this matter?
Percentages should sum to 100%.