1. Your daily fat target
2. Track today's fat
Enter grams of fat for each meal/snack. The bar shows how much of your daily limit is used. Small, frequent meals are easier on the pancreas. Saved automatically on this device.
0 g used of 40 g 40 g left
Fat content of common foods
Approximate fat per typical serving, so you can plan meals under your daily fat limit for pancreatitis.
| Food | Serving | Fat (g) |
|---|---|---|
| Skinless chicken breast | 100 g | 3.6 |
| White fish (cod) | 100 g | 0.9 |
| Egg white | 1 | 0 |
| Plain non-fat yogurt | 150 g | 0.4 |
| White rice, cooked | 1 cup | 0.4 |
| Potato, boiled | 1 medium | 0.2 |
| Oats, cooked with water | 1 cup | 3.6 |
| Banana | 1 medium | 0.4 |
| Apple | 1 medium | 0.3 |
| Lentils, cooked | 1 cup | 0.8 |
| Egg (whole) | 1 large | 5 |
| Avocado | 1/2 | 15 |
| Olive oil | 1 tbsp | 14 |
| Cheddar cheese | 30 g | 9 |
Free low-fat diet calculator for pancreatitis
This pancreatitis fat calculator answers the question people are most often left guessing about: how many grams of fat per day with pancreatitis is safe? A low-fat diet for pancreatitis is the cornerstone of managing both acute and chronic pancreatitis, but the advice usually comes as "eat low-fat" without a number. Enter your calories above and the tool works out your daily fat-gram target, splits it across small meals, and lets you track fat through the day.
How much fat can you eat with pancreatitis?
Fat is limited because digesting it forces the pancreas to release enzymes — and an inflamed pancreas struggles to keep up. Typical guidance:
- Chronic pancreatitis — often around 30–50 grams of fat per day, spread over several small meals.
- Recovering from an acute attack — frequently lower, around 10–30 grams of fat per day, using bland, easy-to-digest foods, then increasing slowly as tolerated.
Your own limit depends on your calorie needs and personal tolerance. The calculator above lets you dial the fat percentage down for stricter phases and up as you recover.
Why a low-fat diet matters with pancreatitis
When you eat fat, your pancreas produces enzymes (and your body releases bile) to break it down. During inflammation, a large or fatty meal increases that workload and can trigger pain, nausea, bloating, or diarrhea. Keeping total fat low — and keeping each meal small — reduces the demand on the pancreas so it can rest and recover.
How this calculator works
The math is simple and transparent: there are 9 calories in every gram of fat, so your daily fat limit is your calories multiplied by your chosen fat percentage, divided by 9. For example, 1,800 calories at 20% = 1,800 × 0.20 ÷ 9 = 40 grams of fat per day. The tracker keeps a running total so you can see how much of that limit each meal uses.
Is MCT oil good for pancreatitis?
Medium-chain triglyceride (MCT) oil is a special case. Unlike regular (long-chain) fats, MCTs can be absorbed without needing pancreatic enzymes or bile, so they provide easy calories with less strain on the pancreas. For people who struggle to maintain weight on a very low-fat diet, a dietitian may recommend adding MCT oil gradually. Introduce it slowly and only with professional guidance.
Low-fat foods to eat
- Skinless chicken and turkey, white fish, and other lean proteins
- Egg whites and non-fat or low-fat dairy
- Rice, potatoes, oats, bread, and other plain starches
- Most fruits and vegetables
- Beans and lentils
Foods to avoid with pancreatitis
- Fried and greasy foods
- Fatty and processed meats — sausages, bacon, salami
- Full-fat dairy, butter, cream, and cheese
- Pastries, cakes, chocolate, and creamy sauces
- Alcohol — a leading cause of pancreatitis; complete avoidance is strongly advised
A sample low-fat day for pancreatitis (about 25 g of fat)
- Breakfast — oatmeal made with water, banana, and non-fat yogurt (~4 g)
- Snack — apple slices and non-fat yogurt (~1 g)
- Lunch — grilled chicken breast, rice, and steamed vegetables (~5 g)
- Snack — toast with a thin scrape of jam and a banana (~2 g)
- Dinner — baked white fish, potato, and salad with a teaspoon of olive oil (~9 g)
- Evening — non-fat yogurt with berries (~1 g)
Use the tracker above to build your own day of small, low-fat meals.
Signs a meal was too high in fat
Pain in the upper abdomen, nausea, bloating, or greasy, floating, or urgent stools within a few hours of eating can signal that a meal had too much fat. Lowering the fat per meal and eating smaller portions more often usually helps. Seek medical care for severe or persistent pain, fever, or vomiting.
Had gallstones or your gallbladder removed? Gallstones are the most common cause of acute pancreatitis — see our related fat calculator for after gallbladder removal.
⚠️ This tool provides general educational estimates and is not medical advice. Pancreatitis can be serious. Everyone's tolerance for dietary fat differs — follow the specific guidance of your own doctor or registered dietitian.
Frequently asked questions
How many grams of fat per day can I eat with pancreatitis?
Fat is usually limited to about 30–50 grams per day for chronic pancreatitis, and lower (often 10–30 grams per day) while recovering from an acute attack. The exact number depends on your calories and personal tolerance — enter your details in the calculator above to get your target.
How much fat can you eat with chronic pancreatitis?
Many people with chronic pancreatitis do well on roughly 30–50 grams of fat per day, spread across several small meals. Some tolerate more once stable. Because tolerance varies a lot, work with your doctor or dietitian to find your level.
Why does fat cause pancreatitis pain?
Digesting fat requires the pancreas to release enzymes. When the pancreas is inflamed, a high-fat meal makes it work harder, which can worsen pain, nausea, or diarrhea. Keeping fat low and meals small reduces that demand on the pancreas.
What foods should you avoid with pancreatitis?
Avoid fried and greasy foods, fatty and processed meats, full-fat dairy, butter, cream, cheese, pastries, and — importantly — alcohol. These are high in fat and are common triggers for a flare.
What are good low-fat foods for pancreatitis?
Skinless chicken and turkey, white fish, egg whites, non-fat dairy, rice, potatoes, oats, most fruits and vegetables, and legumes are naturally low in fat and usually well tolerated. Use the food table above to plan meals under your limit.
Is MCT oil good for pancreatitis?
Medium-chain triglyceride (MCT) oil is sometimes used in pancreatitis because MCTs can be absorbed without needing pancreatic enzymes or bile, so they add calories with less strain on the pancreas. Introduce it slowly and only with your doctor's or dietitian's guidance.
Can I drink alcohol with pancreatitis?
No. Alcohol is a leading cause of pancreatitis and can trigger further attacks and permanent damage. Complete avoidance of alcohol is strongly advised for anyone with acute or chronic pancreatitis.
How many small meals should I eat with pancreatitis?
Small, frequent meals — often 5 to 6 a day — are easier on the pancreas than a few large ones, because each meal contains less fat to digest at once. The calculator can split your daily fat target across 3 to 6 meals.
What should I eat after a pancreatitis attack?
After an acute attack, most people restart with a very low-fat diet (sometimes 10–30 grams of fat per day) using bland, easy-to-digest foods, then slowly increase as tolerated. Always follow the specific plan your care team gives you.
How is my daily fat limit calculated?
The calculator multiplies your daily calories by your chosen fat percentage, then divides by 9 (there are 9 calories in each gram of fat). For example, 1,800 calories × 20% ÷ 9 = 40 grams of fat per day.
Do I need a low-fat diet forever with chronic pancreatitis?
Many people with chronic pancreatitis keep fat moderate long-term to control symptoms, but the exact amount is individual. Some tolerate more once stable. Your doctor or dietitian can help you adjust over time.
Is this pancreatitis fat calculator free?
Yes. It is completely free, requires no sign-up, keeps your entries private on your own device, and works on any phone, tablet, or computer.