Wondering how much potassium is in that steak, burger, or beef stir-fry? This Beef Potassium Calculator converts your portion size into a reliable milligram estimate using typical potassium values for common cuts and cooking methods. Whether you track micronutrients to support muscle function, manage blood pressure, or simply balance your daily intake, this tool takes the guesswork out of beef nutrition.
Use the preset portion buttons or enter any amount in grams, ounces, or pounds, choose your cut from the list, and hit Calculate. You’ll get total potassium, potassium per 100 grams, and the percentage of the recommended Daily Value. The values are based on USDA food-composition averages for cooked beef, so they work best for plain, unseasoned portions.
🐄 Beef Potassium Calculator
Estimate the potassium in cooked beef based on portion size and cut.
📊 Results
Estimates use typical cooked beef values. Actual potassium depends on cut, cooking method, and brand.
How to Use This Tool
This calculator is designed for people tracking potassium for general wellness, blood-pressure-conscious meal planning, or sports nutrition. Start by entering the amount of cooked beef you actually ate. If weighing is not practical, use the preset buttons for common restaurant-style portions: 85 g (about 3 oz), 113 g (4 oz), 170 g (6 oz), or 227 g (8 oz). Next, choose the cut and cooking style that best matches your meal. Then press Calculate potassium.
Because the values in the database are per 100 g of cooked beef, the calculator needs to know whether your portion was weighed in grams, ounces, or pounds. If you enter ounces or pounds, it converts to grams before applying the potassium factor.
- Enter the portion amount.
- Choose the unit that matches your scale or label.
- Select the beef cut or preparation style.
- Click Calculate potassium.
How It Works
Potassium is expressed in milligrams per 100 grams of cooked product. The core formula is:
Total potassium (mg) = cooked serving weight (g) × potassium per 100 g ÷ 100
For ounce inputs, first multiply by 28.35 to get grams; for pound inputs, multiply by 453.6. The result is then compared with the FDA Daily Value for potassium, which is 4,700 mg for adults and children age 4 and older, to show a percentage. The values in the calculator are based on typical USDA FoodData Central entries for cooked beef products, so they reflect moisture and fat losses from cooking. You can browse the original references at USDA FoodData Central and read the National Institutes of Health potassium fact sheet at NIH Office of Dietary Supplements.
Standard Potassium Values
The table below lists the average potassium values used by the calculator. Treat them as practical estimates; actual amounts vary by breed, feed, marbling, and cooking method.
| Beef cut / preparation | Potassium per 100 g cooked |
|---|---|
| Lean sirloin steak, grilled | 370 mg |
| Beef tenderloin (filet), roasted | 360 mg |
| Ground beef, 93% lean, pan-browned | 330 mg |
| Beef liver, pan-fried | 320 mg |
| Ribeye steak, grilled | 310 mg |
| Ground beef, 85% lean, pan-browned | 300 mg |
| Chuck roast, braised | 300 mg |
| Beef brisket, braised | 270 mg |
Worked Examples
Example 1: 85 g lean sirloin at 370 mg/100 g gives 85 × 370 ÷ 100 = 314.5 mg, about 6.7% of the Daily Value.
Example 2: 113 g of 93% lean ground beef at 330 mg/100 g gives 113 × 330 ÷ 100 = 372.9 mg, about 7.9% DV.
Example 3: 170 g ribeye at 310 mg/100 g gives 170 × 310 ÷ 100 = 527 mg, about 11.2% DV.
Example 4: 1 lb of brisket at 270 mg/100 g: convert to 453.6 g, then 453.6 × 270 ÷ 100 = 1,224.7 mg, about 26.1% DV.
Common Mistakes to Avoid
- Using raw weight: Raw beef contains more water; raw and cooked weights can differ by 20–30%. For accurate results, use the cooked weight of the meat on your plate.
- Choosing the wrong cut: A fatty ribeye and a lean sirloin with the same cooked weight have different potassium per 100 g because fat displaces mineral-rich lean tissue.
- Adding sauces or salt substitutes: Seasonings do not change potassium much, but potassium chloride salt substitutes and high-potassium sauces can add meaningful amounts.
- Confusing milligrams with grams: 300 mg is 0.3 g. Always write the unit.
- Expecting exact values: USDA averages are a guide, not a lab analysis. Variation of 10–15% is normal.
Frequently Asked Questions
Is beef a high-potassium food?
Beef is a moderate potassium source. A typical 100 g cooked portion provides about 270–370 mg, which is roughly 6–8% of the 4,700 mg Daily Value. By comparison, the same weight of cooked white beans or baked potato can provide more than 400–500 mg, while many fruits and vegetables rank higher than beef. Still, beef contributes useful potassium along with protein, zinc, iron, and B vitamins.
Does cooking method change potassium content?
Lost juices and drippings can carry small amounts of minerals, so grilling or roasting may reduce potassium slightly compared with stewing if you consume the broth. The calculator assumes ordinary cooking with no added potassium-containing ingredients. If you eat a rich pan sauce or gravy, add a small margin on top of the estimate.
Why use cooked rather than raw weight?
Nutrition databases for beef typically report cooked values, and most people eat beef after it has lost moisture. If you only have a raw weight, grilling or pan-browning generally reduces it by about 20–30%; multiplying raw weight by 0.75 gives a rough cooked-weight approximation, but weighing the cooked portion is better.
Can I use this for beef jerky or deli roast beef?
No. Beef jerky and cured or deli meats have different water contents and sodium/potassium profiles. This calculator is intended for fresh or frozen beef cuts and ground beef cooked at home or served plain in a restaurant.