Stop guessing.
Start KNOWING.

A meal prep calculator for the everyday athlete, the busy parent, and the health-conscious cook — anyone ready to take their nutrition to the next level.

How it works
01
Add your ingredients
Search by name, scan a barcode, or pick from your saved pantry.
02
Set your meal count
Tell PrepMacro how many meals you're making. It divides everything automatically.
03
Know your macros
Exact calories, protein, carbs, fat, fiber and sugar — per meal, every time.
Create your account
Create your account
100% Free
Save your ingredients, meals and pantry — all in one place.
Retrieve cooking notes, favourite items, and edit your pantry anytime — everything stays exactly as you left it.
Just browsing? Continue as guest — nothing saves when you leave.
Our Belief
Being healthy doesn't have to be expensive or complicated. This tool is free and easy to use.
How we compare
Feature
PrepMacro
Others
Batch cooking calculator
✓
✕
Barcode scanner
✓
✓
No daily logging required
✓
✕
Per-meal macro split
✓
✕
Free to use
✓
Paid

For informational purposes only. Not medical or dietary advice. Data sourced from Open Food Facts and USDA.

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PrepMacro

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Save your meals and pantry across all devices.

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By creating an account you agree that PrepMacro stores your email and meal data to provide the service. We do not sell your data. Nutrition information is for reference only and not medical advice.
PrepMacro
Today
0
eaten
/ 2200
Protein
0g
Carbs
0g
Fat
0g
Sugar
0g
Food Log
Nothing logged yet. Tap + Add to log what you ate.
This Week
Cals
Protein
Carbs
Fat
Sugar
Total
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—
—
—
—
Daily Avg
—
—
—
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Calories & Weight
Calories
Weight
Protein
Protein
Weight Log
My Goals
Daily Targets
kcal / day
g / day
g / day
g / day
g / day
Body Goal
lbs
Ingredients
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In this meal
0calories
P: 0g · C: 0g · F: 0g · S: 0g · Fi: 0g
Meal Count
How many meals?
— per meal
Name & Notes
Saved Meals
📋No saved meals yet.
Build a meal and save it!
My Pantry
Add to your home screen
PrepMacro
Quick access from your home screen.
Android
Tap the button below in Chrome.
iPhone — open in Safari
1
Tap Share ⬆ at the bottom
2
Tap "Add to Home Screen"
3
Tap "Add"
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📷 Scan Barcode

Point camera at the barcode on the packaging

Initializing camera…
—
✏ Edit mode — click any text to edit

📷 Scan Barcode

Starting camera…

How much of this meal did you eat?

%