FitFight Fusion — Free Macro Calculator
FitFight Fusion — Coach Brett Clarke
Free Tool · 2 Minutes

Find Your Real Maintenance Calories In 2 Minutes

The free calculator that tells you exactly what to eat to lose fat without starving. No 40-page guide. No guesswork. Just your number.

Get the calculator + 2-min walkthrough
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⭐ Built by Coach Brett Clarke · 4x Muaythai & Kickboxing World Champion · 25 years coaching
Not Another PDF

This does the maths for you

Most free guides are 40 pages you'll never open. This isn't that. It's the one tool that hands you a number you can eat to today, then shows you how to dial it in over the next two weeks.

01

Your Real Number

Maintenance calories worked out for your body, age and activity, not a one-size-fits-all guess that leaves you stalled.

02

Cut & Protein, Locked

A 20% slow-cut target and your daily protein, set so you lose fat and keep the muscle that burns it.

03

A 2-Minute Video

A short walkthrough showing you exactly how to use it and how to find your true maintenance. No theory.

How It Works

Three steps to your number

The formula is a starting point. Your body tells the truth. Here's how you find your real maintenance.

Punch In Your Stats

Age, height, weight, activity. You get a starting maintenance number, a slow-cut target and your macros in seconds.

Find Your Real Maintenance

Eat at that number for a week, log your weight and your waist. The waist is the truth, not the scale. The tool adjusts you toward your real number.

Pick Your Protocol

Hold at maintenance or run a slow cut. Steer with the plus and minus buttons as you go. Protein stays locked the whole way.

Real People, Real Numbers

Built on what actually works

4"
Christelle, 57
off her waist in 12 weeks, through menopause
16"
Donné
total inches gone in 12 weeks while the scale barely moved
40lbs
Hein
while already training 6 days a week, once the food was fixed

The numbers are step one. This calculator is the exact tool behind those results.

Who Built It

I'm Brett. I spent 25 years coaching and won 4 world titles in Muaythai and Kickboxing. I've watched busy parents and professionals try for years to out-diet a number they were only ever guessing at. This is the tool I use with my own clients to stop the guessing. It's yours, free.

Coach Brett Clarke
FitFight Fusion · Train · Fuel · Transform

Stop guessing. Get your number.

Two minutes from now you'll know exactly what to eat. Free, instant, no spam.

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FitFight Fusion
Coach Brett Clarke · 4x World Champion · ©
This tool is for general guidance and is not medical advice.