Carbs Per 100 to Portion Converter

Packaged portions of flour, noodles, oatmeal, etc, are measured in carbs per 100 grams. After weighing your portion in grams, this free-to-use tool can calculate the number of carbs in the meal. It's an important step for anyone counting carbs.

Share this with anyone that might need assistance with the carb portioning equasion. Click (or touch) the "Run Carb Portion Tool" button to use it on your PC, Chromebook, or mobile phone browser window.

If this browser based tool doesn't fit your screen tap the "Smaller Screen" button to shrink the frame. If you experience any annoying bugs, please send me a message. Happy carb counting!

Instructions and Controls:

1. Touch or Click on the green "Run Carb Portion Tool"  button to start
2. The tool will start automatically
3. Touch or Click on a gray gram weight boxes near the top, they will highlight
4. Then, Touch or Click the number keys to enter gram weight
5. You can also enter weight numbers using a keyboard
6. Repeat for both gram weight boxes
7. "Total carbs" will calculate and show automatically
8. Touch or Click "Back",  or on a keyboard press Backspace to correct errors
   
9. Touch or Click "Reset" to start over
10. Works on Mobile Phones, Tablets, PC, or Chromebook (should work on a Mac computer too)
11. If the tool looks too big and you can't see the number keys, either adjust your browser's display scale, or worst case toggle the "Smaller Screen on/off" button.

You can use this as often as needed for free. In case you want to donate, use the "Support" button to contribute towards technology and upkeep.