Free Online Macronutrient Calculator
Split your daily calories into protein, carbohydrates, and fat targets.
Protein and carbohydrates provide 4 calories per gram; fat provides 9 calories per gram.
About the Macronutrient Calculator
Free macro calculator. Enter calories and choose a macro split to get daily grams of protein, carbohydrates, and fat.
How to use this tool
Use the controls above to enter your values, choose your options, and view the result. The tool updates as you work, and the result can be copied or downloaded where supported.
Frequently asked questions
Is this tool free?
Yes. Every tool on ImGenerate is free to use and does not require an account.
Is my data safe?
Tools that run entirely in the browser keep your data on your device. Any server-backed lookup is noted in the tool and only sends the information needed for the result.