Macronutrient Calculator
Use this free macronutrient calculator to turn your daily calories into grams of protein, carbs and fat.
Health information notice: Results are estimates based on general formulas and may not reflect individual circumstances. This tool is not a diagnosis or substitute for personalized advice from a qualified healthcare professional.
How the macronutrient calculator works
Protein and carbs have 4 calories per gram and fat has 9. Pick a split (carb/protein/fat) to convert your calories to grams.
Frequently asked questions
Which split should I choose?
Balanced suits most people; higher protein helps when cutting or building muscle. A dietitian can tailor it.
Results are estimates for general information only. They are not a substitute for professional advice where applicable. Found a mistake? Report an error.