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Like carbohydrates and protein, dietary fat targets are usually expressed as a percentage of total calories, which needs converting to grams to be useful for meal planning.
This calculator converts a daily calorie goal and target fat percentage into a daily fat gram target.
How it works
Enter your total daily calorie target and the percentage of those calories you want to come from fat (30% by default). The calculator finds the calories from fat, then divides by 9 (calories per gram of fat) to get the gram target.
- Enter daily calorie target.
- Enter fat share of calories (%).
- Click Calculate to see your results.
Examples
2,000 calories, 30% fat
A 2,000-calorie diet with 30% of calories from fat works out to a daily target of about 67 grams of fat.
Who should use it
- Setting a daily fat gram target for a specific diet plan.
- Meal planning around a macro-based nutrition goal.
Industry applications
- Nutrition and diet planning
- Fitness coaching
Advantages
- Quickly converts a percentage-based macro target into a practical daily gram number.
- Works for any calorie level and any fat percentage.
Limitations
- Doesn't distinguish between saturated, unsaturated, and trans fats.
Common mistakes to avoid
- Using an arbitrary fat percentage instead of the one specified by your actual diet or nutrition plan.
- Forgetting that fat is more calorie-dense than carbs or protein, which can lead to underestimating calories from fat-heavy foods.
Best practices
- Set your daily calorie target first (using a calorie or TDEE calculator) before calculating fat grams, so the two numbers stay consistent.
Tips
- Because fat is calorie-dense, small serving-size differences in fat-heavy foods (oils, nuts, cheese) can move your daily total more than you'd expect — measure rather than eyeball these foods if the target matters to you.