Calories in Butter, stick, unsalted
Nearly 80% of stick butter is pure milk fat, with less than 1% protein and almost zero carbohydrate.
What makes butter so powerful?
Butter is one of the oldest processed foods humans still eat regularly. Its structure is an emulsion-inversion: cream is a water-in-oil system where fat droplets are suspended in water, but charming physically forces those droplets to rupture and coalesce, flipping the emulsion so that a small amount of residual water becomes trapped inside a continuous fat matrix. That matrix is roughly 80% fat, about 16-18% water, and trace amounts of milk proteins and lactose. The yellow color comes from beta-carotene carried in the fat, which varies by season and diet of the cow. Unsalted butter is preferred in baking because it gives the cook total control over sodium content; salted butter typically contains 1-2% salt by weight, which is enough to noticeably alter flavor balance and even yeast activity in doughs. European-style butters are cultured with lactic acid bacteria before churning, giving a tangier flavor, while standard American stick butter is made from sweet cream.
Use unsalted stick butter for baking and pan sauces where sodium control matters; salted butter can throw off yeast timing and seasoning balance. For flaky laminated doughs like croissants or puff pastry, keep butter cold to maintain distinct fat layers that create steam pockets during baking. Clarify it into ghee for high-heat cooking above 350°F, where whole butter's milk solids would burn. Store wrapped in the refrigerator for up to a month, or freeze for six months to prevent rancidity from fat oxidation.
Calories by Serving Size
Full Nutrition Facts
Per 100g — daily values based on a 2,000 calorie diet
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Frequently Asked Questions
How many calories are in Butter, stick, unsalted?
Butter, stick, unsalted contains 734 calories per 100g. It is relatively calorie-dense, so portion control is important.
How much protein does Butter, stick, unsalted have?
Butter, stick, unsalted provides 0g of protein per 100g, which is 0% of the 50g daily recommended value. It is not a primary protein source.
How many carbs are in Butter, stick, unsalted?
Butter, stick, unsalted contains 0g of carbohydrates per 100g .
Is Butter, stick, unsalted good for weight loss?
Butter, stick, unsalted has 734 kcal per 100g, so portions need to be monitored on a weight-loss diet. Use CalRay to track your intake accurately.
How do I track Butter, stick, unsalted calories accurately?
The easiest way to track butter is with CalRay. Simply snap a photo of your meal and the AI will automatically identify the food and calculate calories and macros based on the estimated portion size — no manual lookup required. You can also search by name and adjust gram weight manually.