Weight Loss Calculators • IIFYM • Macro Diet Plans For Weight Loss

IIFYM is a diet plan that stands for If It Fits Your Macros. It helps users lose weight by tracking macronutrients (protein, fat, and carbohydrates) without restricting food choices.

Macros are the only place calories come from so by hitting macros, users inherently hit weight loss calories.

Our clients report the IIFYM is the easiest and most sustainable weight loss plan they have ever followed. Many tell us that they don’t even feel like they are dieting, due to a large number of calories we often give them.

Choose one our calculators and discover your perfect diet plan

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Macro Calculator

The IIFYM macro calculator is the best macro calculator of its kind. We developed the IIFYM macronutrients calculator to be the most
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TDEE Calculator

TDEE is the most important bit of information available to us when trying to gain muscle or burn fat and lose weight
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BMR Calculator

When looking for a BMR calculator, you are likely to come across a few different variations.
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BMI Calculator

So you’ve been working hard on your IIFYM diet and weight loss plan and are excited about the results that you should be seeing.
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RMR Calculator

A human body doesn’t require any energy to store fat, but it does for muscle. That’s why most diets fail.
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PCOS Calculator

If you are one of the millions of women living with Polycystic Ovarian Syndrome, this macro calculator is for you.
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Keto Calculator

want to know the exact macro spilt of fat,protein and carbs you need in your ketogentic diet?
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Alcohol Calculator

Use IIFYM’s Alcohol Calculator to convert some of your macros into calories from alcohol.
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Do you need more information?

In this article, I am going to explain the ins and outs of IIFYM so that you have a full understanding of what you need to do to reach your weight loss goals in the shortest time possible while eating the foods you love.

In case you didn’t know it, you are on the worlds only authority for IIFYM and flexible dieting. IIFYM.com. We started the trend and blew it up to what it is now. Over 30k people visit our site every day with zero advertising. Why? Like you, they have heard how thousands of people have lost weight without giving up the foods they love.They are hungry to lose weight while eating the foods they love and they are tired of fad diets that leave them hungry, tired and overwhelming IIFYM fixes that issue.