Free Macro Calculator
Convert a daily calorie target and macronutrient percentages into grams of protein, carbohydrate and fat.
Macro Calculator
Enter a value to begin.
How to use this macro calculator
- Enter a daily calorie target and percentages that add to 100.
- Check the inputs and preview, then use the primary action.
- Download, copy or use the result shown by the tool.
How the result is calculated
Protein and carbohydrate use 4 calories per gram and fat uses 9 calories per gram. The tool applies the percentages you choose and does not prescribe an appropriate diet.
All calculation and transformation work happens in this browser tab. No entered value is sent to an Noler Tools application server.
Important limitations
Results are provided for convenience and should be checked independently before an important decision. A format or checksum result never authenticates an identity, document, account, licence, vehicle or registration.
Health limitation: This is a general educational estimate, not medical advice, diagnosis or a substitute for care from a qualified clinician. Do not use it to make treatment, nutrition, pregnancy or emergency-care decisions.
Frequently asked questions
Is this macro calculator free?
Yes. It is free to use and does not require an account.
Does Noler Tools save my input?
No. The input and result remain in temporary browser memory and are not uploaded or saved by this site.