Fat Intake Calculator
Calculate the broad adult fat range corresponding to 20–35% of energy.
This general adult range is not a personalized nutrition prescription.
How to use this calculator
- Enter a daily calorie amount.
- Review the live result and use Copy result when you need to share it.
How the calculation works
The lower and upper energy percentages are divided by 9 kcal per gram.
Formula
The lower and upper energy percentages are divided by 9 kcal per gram.
Step-by-step calculation
- Enter a daily calorie amount.
- The lower and upper energy percentages are divided by 9 kcal per gram.
- Check the displayed result, then copy it if needed.
Worked example
At 2,000 kcal, 20–35% corresponds to roughly 44–78 g/day.
Risk guidance
Frequently asked questions
Does this tool send my inputs anywhere?
No. The interactive calculation runs in your browser and this site does not submit tool inputs to a backend.
How should I use the result?
Check that the entered units and values match your situation, especially around dates, breaks, and rounding.
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