Fat Intake Calculator
This free fat intake calculator estimates the amount of dietary fat a person should consume daily based on age, heigh...

What Fat Intake Calculator does
The Fat Intake Calculator on Calculator.net estimates the amount of dietary fat a person should consume daily by first calculating total caloric needs from age, height, weight, gender, and activity level. It then applies recommended fat percentages to that total, while also flagging the maximum suggested intake of saturated fats to support heart health. The output includes the daily fat target in grams and a breakdown of saturated fat limits, giving users a clear picture of both overall and specific fat goals.
How to use the Calculator.net Fat Intake Calculator
- 1
Select your gender (male or female) from the dropdown
- 2
Enter your age, height, and weight using either US or metric units
- 3
Choose your activity level from the Sedentary to Extra Active options
- 4
View the results showing daily fat intake in grams and saturated fat limits
Best for
This option suits adults aged 18 to 80 who want a quick, free estimate of their daily fat needs without needing to manually track calories or formulas.
Limitations
- Results are estimates based on general population averages
- Does not account for individual medical conditions or specific dietary restrictions
- Activity level categories are broad and may not match highly specific exercise routines
Fat Intake Calculator FAQ
- Can I use this calculator if I am under 18 or over 80?
- The calculator is designed for users aged 18 to 80; outside that range the estimates may not be appropriate.
- Does the tool differentiate between types of dietary fat?
- It provides a total fat recommendation and a separate saturated fat limit, but does not break down monounsaturated or polyunsaturated fat amounts.
- What BMR formula does the calculator use?
- The tool offers two estimation formulas: Mifflin St Jeor and Katch-McArdle, which users can select in the Settings section.
- How accurate are the saturated fat limits shown?
- The saturated fat limits reflect general maximum recommended levels to reduce heart disease risk, but individual needs may vary based on health guidance.
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