5 of the Best Macro Calculators

lower carb and higher carb days

Looking for some good calculators to figure out your macronutrient ratios? (see how to count macros for fat loss or muscle gain here).

After trying dozens of these online calculators it became clear that VERY FEW are original. Many of them have simply been copied from other websites.

The following calculators appear to be some of the originals – carefully designed and coded:

1. Flexible Dieting Macro Calculator

It would be silly not to mention our own calculator. Designed to be very simple to use – but still provide the most accurate results. It’s also highly optimized for mobile phones.

See the calculator…

2. Muscle For Life

Muscle for life has a macro calculator based on body fat percentage. This calculator has a lot more tweaking involved – in that you can alter most variables.

See the calculator…

3. IIFYM Calculator

The macro calculator at IIFYM is powerful and complex, having multiple variables that can be tweaked.

See the calculator…

4. Freedieting Nutrient Calculator

This calculator will calculate macronutrients per day or meal based on various diet regimes. You will need to enter a daily calorie amount.

See the calculator…

5. Bodybuilding Macro Calculator

From one of the most popular bodybuilding sites comes this calculator. And it’s surprisingly basic – only offering the simplest of results.

See the calculator…

Wait… Aren’t There Hundreds More?

We looked at so many calculators, and many are simply copies of other calculators (some used with permission, some ripped off from other sites).

Why are results so different?

When using different calculators you may noticed that the results can vary between them. This is because formulas have been tweaked slightly – often due to real feedback from coaching clients.

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