How much fat should I eat per day?

Most nutrition guidelines recommend 20–35% of total calories from fat. For a 2,000 calorie diet, that's 44–78g of fat per day. The minimum recommended for hormonal health is about 0.5g per kg of body weight. For a 70 kg person, that's a minimum of 35g/day — but 50–80g is more typical for most diets.

Does eating fat make you fat?

No. Fat itself does not cause weight gain — excess total calories do. Dietary fat is essential for health and should not be eliminated. What matters for body composition is your total calorie balance. Fat is calorically dense (9 kcal/g vs 4 kcal/g for protein and carbs), so portions matter, but eliminating fat is not the answer.

What types of fat should I eat?

Prioritize unsaturated fats: olive oil, avocados, nuts, seeds, and fatty fish (omega-3s). Limit saturated fats (butter, red meat, coconut oil) to 5–10% of total calories. Avoid trans fats (partially hydrogenated oils) entirely — they raise LDL cholesterol and have no safe consumption threshold.

Can I eat too little fat?

Yes. Very low fat diets (below 15% of calories) can cause hormonal disruptions, fat-soluble vitamin deficiencies (A, D, E, K), and reduced absorption of beneficial plant compounds. Fat is not optional — a minimum of 20% of calories from fat is recommended for most adults.

Nutrition · 5 min read · Updated 2026-04-17

Daily Fat Intake: How Much Fat Should You Eat Per Day?

Fat has been unfairly demonized for decades. But the science is clear: dietary fat is essential for health, and the question isn’t whether to eat fat — it’s how much and which kinds.

Why Fat Is Essential

Dietary fat serves critical functions in the body:

Hormone production — sex hormones (testosterone, estrogen) and cortisol are synthesized from cholesterol and fat
Fat-soluble vitamin absorption — vitamins A, D, E, and K require fat for absorption
Cell membrane structure — every cell membrane contains phospholipids made from fatty acids
Brain function — roughly 60% of the brain is made of fat; DHA (an omega-3) is critical for cognitive function
Joint health — omega-3 fatty acids reduce inflammation

How Much Fat Per Day?

General guidelines from major nutrition bodies:

Organization	Recommended Fat Intake
WHO	20–35% of total calories
Academy of Nutrition & Dietetics	20–35% of total calories
European Food Safety Authority	20–35% of total calories

For practical daily targets, most people should aim for 50–100g of fat per day, varying by calorie intake and body weight.

Daily Calories	Fat at 25%	Fat at 30%
1,500 kcal	42g	50g
1,800 kcal	50g	60g
2,000 kcal	56g	67g
2,500 kcal	69g	83g
3,000 kcal	83g	100g

Use our Macro Calculator to get your personalized fat target.

The Minimum Daily Fat Intake

For hormonal health, a minimum of 0.5–0.7g of fat per kg of body weight is recommended:

Body Weight	Minimum Daily Fat
55 kg	28–39g
65 kg	33–46g
75 kg	38–53g
85 kg	43–60g

Going below these minimums — especially in women — can disrupt hormone cycles, reduce testosterone levels in men, and impair fat-soluble vitamin absorption.

Never drop fat below 15–20% of total calories (except under specific medical supervision). Fat is not optional.

Types of Fat: What to Prioritize

Unsaturated Fats (Prioritize These)

Monounsaturated fats: Olive oil, avocados, almonds, cashews. Associated with reduced cardiovascular risk.
Polyunsaturated fats (omega-3): Fatty fish (salmon, mackerel, sardines), flaxseed, walnuts. Reduce inflammation, support brain and heart health.
Polyunsaturated fats (omega-6): Sunflower oil, corn oil, most nuts. Needed in moderation — Western diets tend to overconsume omega-6 relative to omega-3.

Saturated Fats (Limit)

Found in butter, red meat, full-fat dairy, coconut oil. Current guidelines recommend limiting saturated fat to <10% of total calories (about 22g on a 2,000 kcal diet). Some saturated fats may be neutral to health; avoid excess.

Trans Fats (Eliminate)

Found in partially hydrogenated oils (some margarines, commercial baked goods, fried fast food). There is no safe amount. Trans fats raise LDL cholesterol, lower HDL cholesterol, and significantly increase cardiovascular disease risk. Avoid completely.

Setting Your Fat Target

Here’s a practical framework:

Find your TDEE using the TDEE Calculator
Set your fat intake at 25–30% of total calories (minimum 0.7g/kg body weight)
Set your protein at 1.6–2.2g/kg body weight
Fill remaining calories with carbohydrates

Example: 70 kg woman, 2,000 kcal/day target

Protein: 70 × 2.0g = 140g = 560 kcal
Fat: 2,000 × 0.28 = 560 kcal ÷ 9 = 62g fat
Carbs: (2,000 − 560 − 560) ÷ 4 = 220g carbs

Final macros: 140g protein / 220g carbs / 62g fat

Disclaimer: This is general nutritional guidance and not medical advice. People with cardiovascular conditions or other health concerns should consult a healthcare provider before making significant dietary changes.

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