Macro Calculator

Calculate your daily calories and protein, carbohydrate and fat macros for your goal. Free, instant, no signup.

Sex

Age (years)

Weight (kg)

Height (cm)

Activity level

Goal

How to use the Macro Calculator

Enter your values. Fill in the fields with your numbers.
Calculate. Press Calculate to run the macro calculator.
Use the result. Copy the result or try a related tool next.

Why use our Macro Calculator

Instant results. Enter your figures and the macro calculator returns an answer in seconds.

Free & private. Runs in your browser — no signup, and nothing is sent to a server.

Accurate. Uses standard formulas so you can rely on the numbers.

Free to use — premium coming soon

FREE

✓ Unlimited calculations
✓ Instant results
✓ No signup

PREMIUM

★ Remove ads
★ Save & compare scenarios
★ Export results

About the Macro Calculator

Calculate your daily calories and protein, carbohydrate and fat macros for your goal. This macro calculator does the maths for you so you get a fast, reliable answer without spreadsheets or manual calculation. Enter your values, hit Calculate, and read the result instantly.

Frequently asked questions

Is the macro calculator free?

Yes — unlimited use, no account needed.

How accurate is it?

The macro calculator uses standard, well-established formulas. Always double-check figures that matter.

From our blog

How to use the Flooring Calculator (with examples)

By the Super Simple Digital Tools Team · Updated June 2026

Whether it's for work, study or everyday life, the Flooring Calculator takes the hassle out of everyday calculations. Estimate the area and total material cost of flooring for a rectangular room. Free, instant, no signup.

Using it takes seconds: fill in the fields with your numbers, then press Calculate to run the flooring calculator, then copy the result or try a related tool next.

Instant results — Enter your figures and the flooring calculator returns an answer in seconds.

Ready to try it? Open the Flooring Calculator and get your answer in seconds.

Instant results: Enter your figures and the flooring calculator returns an answer in seconds.
Free & private: Runs in your browser — no signup, and nothing is sent to a server.
Accurate: Uses standard formulas so you can rely on the numbers.

Read the full guide →

Tool by the Super Simple Digital Tools Team. Reviewed by our editorial team. Free to use, no signup required.