Daily Fat Intake Calculator

June 8, 2026

This Daily Fat Intake Calculator helps you estimate how much fat you need each day based on your total calorie intake and dietary goals.

Daily Fat Intake Calculator

Fat Intake Formula

Daily fat (g) = (total calories × fat percentage) ÷ 9

Parameters Explained

Total calories: daily calorie target
Fat percentage: portion of calories coming from fat
9: calories per gram of fat

How It Works

The calculator converts the percentage of calories from fat into grams, helping you plan a balanced and sustainable diet.

Ethan Caldwell

Ethan builds the interactive health calculators on Height Growth Blog. Based in Denver, Colorado, he combines a software engineering background with a focus on evidence-based health tech, turning dense clinical guidelines — from CDC growth charts to NIH/IOM dietary references — into tools parents and teens can use in under a minute. Every calculator on the site, from BMI Percentile to Body Fat and Calcium Intake, is built directly from primary sources (NIH, AAP, CDC, Mayo Clinic) and cross-checked against peer-reviewed studies before launch.

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