Determine your recommended daily fat intake based on your energy needs and fitness goals
Dietary fat is an essential macronutrient that supports hormone production, vitamin absorption, and cell membrane health. The Dietary Guidelines for Americans recommend that 20-35% of your total daily calories come from fat. This calculator determines your optimal fat intake range based on your Total Daily Energy Expenditure and fitness goals.
BMR is calculated using Mifflin-St Jeor, then TDEE = BMR × Activity Factor. Calories are adjusted based on goal (-500 for loss, +500 for gain). Fat grams = (TDEE × percentage) ÷ 9, since fat provides 9 calories per gram.
No, dietary fat is not inherently bad for weight loss. Fat is calorie-dense (9 calories per gram vs 4 for protein and carbs), so portion control is important, but healthy fats from sources like avocados, nuts, seeds, and olive oil support satiety and overall health during weight loss.
Saturated fats (found in meat, butter, cheese, coconut oil) should be limited to less than 10% of daily calories as they can raise LDL cholesterol. Unsaturated fats (found in olive oil, avocados, nuts, fish) are heart-healthy and should make up the majority of your fat intake. Trans fats should be avoided entirely.