About the Macro Calculator
Turn your daily calories into grams of protein, carbs and fat. This tool is free, works in your browser and needs no sign-up.
How to use the Macro Calculator
Enter your daily calories and the percent you want from protein, carbs and fat. The three percents must add up to 100.
Formula used
Protein and carbs have 4 calories per gram. Fat has 9 calories per gram.
Example
With Daily calories 2000, Protein (%) 30, Carbs (%) 40, Fat (%) 30, the calculator shows: Protein = 150 g; Carbs = 200 g; Fat = 67 g.
Frequently asked questions
Is the Macro Calculator free to use?
Yes. It is completely free and you can use it as many times as you like.
How accurate is the Macro Calculator?
The calculator uses standard formulas, so the maths is exact. Real life results can differ because of fees, taxes, rounding or personal factors, so treat the answer as an estimate.
Do you store the numbers I enter?
No. All calculations run in your browser. The values you type are not sent to our server.
Disclaimer: results are estimates for information only. They are not financial, medical or professional advice.