Macro Calculator
How to use the Macro Calculator
- Enter your values in the Macro Calculator form above.
- Results update instantly as you type — all math runs locally in your browser.
- No data is uploaded or stored. Close the tab and your inputs are gone.
Why calculate locally?
Your inputs for Macro Calculator are processed entirely in browser memory. Financial and personal numbers are never sent to a server, stored in a database, or retained after you close the tab. This makes local calculation ideal for sensitive payroll, pricing, and business data.
Frequently asked questions
Is this medical or nutrition advice?
No. Macro splits are general estimates. Consult a registered dietitian for personalized nutrition plans.
How are macros calculated?
Protein at 2.0 g per kg body weight, fat at 25% of calories, and remaining calories assigned to carbohydrates.