Macro Calculator

Macro calculator
Macro Calculator
Free Nutrition Tool

Macro Calculator

Discover exactly how much protein, carbs, and fat your body needs each day — personalized to your goals.

1

Enter your age, gender, height & weight

2

Select your weekly activity level

3

Choose your goal — lose, maintain, or gain

4

Hit calculate & pick your macro split

Personal Info
Activity Level
Exercise = 15–30 min elevated heart rate  ·  Intense = 45–120 min  ·  Very intense = 2+ hours
Your Goal
Advanced settings
BMR Formula
Mifflin–St Jeor is the gold standard for most people. Katch–McArdle uses lean body mass and is more accurate if you know your body fat %.
Daily Calorie Target
kcal / day
BMR
Maintenance
Deficit / Surplus
Choose your macro split
🥩
Protein
—g
— kcal
🍚
Carbohydrates
—g
— kcal
🥑
Fat
—g
— kcal
Macro distribution
Protein
Carbs
Fat

Macros in Common Foods

Use this table as a quick reference when planning your meals.

Food Serving Protein Carbs Fat

Stop guessing your body type, use our Body Shape Calculator for instant clarity.

7 Macro Calculator Tips for Fat Loss and Healthy Weight

Tip 1 — Set Your Protein First Protein is the most important macro for fat loss. Set it first before anything else. Aim for 0.7 to 1 gram per pound of body weight every single day.


Tip 2 — Do Not Cut Calories Too Low Eating too little slows your metabolism and kills your progress. A moderate deficit of 300 to 500 calories below maintenance works best for sustainable fat loss.


Tip 3 — Track Net Carbs Not Total Carbs Total carbs include fiber which your body does not digest. Track net carbs instead. Subtract fiber from total carbs for a more accurate picture of what actually affects your blood sugar.


Tip 4 — Adjust Every 2 to 4 Weeks Your body adapts quickly. Recalculate your macros every two to four weeks as your weight changes. What worked at 180 pounds will not work the same at 165 pounds.


Tip 5 — Match Carbs to Your Activity Level Eat more carbs on training days and fewer on rest days. This simple strategy keeps your energy high when you need it and supports fat burning when you do not.


Tip 6 — Do Not Fear Dietary Fat Healthy fats from avocado, nuts, and olive oil support hormones and keep you full longer. Never drop fat below 20 percent of your total daily calories or your hormones will suffer.


Tip 7 — Use a Macro Calculator as a Starting Point No calculator gives you a perfect answer on day one. Use it as your starting point, track your results honestly for two weeks, and then adjust based on what your body actually shows you.

You may also like to use our BMI calculator

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