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Convert ounces Butter to cups Butter

Instantly convert ounces Butter (ounces) to cups Butter (cups) with our free online calculator.

Reviewed by Christopher FloiedUpdated
ButterDensity: 0.911 g/ml
0.13

Quick Reference: Butter

ouncescups
101.32
253.29
506.58
10013.15
20026.31
50065.77

How to Convert ounces Butter to cups Butter

Formula

To convert ounces Butter (ounces) to cups Butter (cups): Divide ounces by 0.911 (density of Butter)

About ounces Butter (ounces)

Ounces of Butter. Measured by US avoirdupois ounce (= 28.349523125 g exactly per NIST SP 811 — distinct from fluid ounce which is a volume unit). Mass-ounce measurement is preferred in US butcher/bakery/professional contexts where precision matters but the recipe uses imperial customary units. Common US baking ingredient packages list both ounces (mass) + grams: a stick of butter = 4 oz = 113 g; a 'pound' of flour = 16 oz = 454 g. CRITICAL: do NOT confuse with the troy ounce (~31.1 g — used only for precious metals) or the fluid ounce (volume unit = 29.57 mL). Butter is the dairy fat made by churning cream (≥80% milkfat per US FDA 21 CFR 131.110 standards; ≥82% for European-style + AOP cultured butters like Échiré, Beurre d'Isigny, Lurpak Premium). The remaining ~18% is water + milk proteins. Density ~0.911 g/mL at 20°C softened (1 US stick = 113 g = 8 tablespoons = 1/2 cup = 1/4 pound; 1 cup = 227 g). Salted butter contains 1-2% added salt; unsalted is preferred for baking (better control of recipe salt content). European-style butter (82-86% fat) is preferred for laminated doughs — croissants, puff pastry, kouign-amann — because the lower water content reduces steam during baking + produces flakier layers. Cultured butter has been fermented with lactic acid bacteria before churning, developing tangy + nutty notes (yogurt-like flavor compounds). Major brands: Land O'Lakes, Kerrygold, Plugrá, Vermont Creamery, Cabot, Organic Valley. Melting point ~32-35°C; smoke point ~150°C (lower than clarified butter or ghee at ~250°C). Density: 0.911 g/mL (used to convert volume measurements to mass).

About cups Butter (cups)

Cups of Butter. Measured by US cup (= 240 mL = 16 US tablespoons = 48 US teaspoons per FDA 21 CFR 101.9). The cup is the dominant US baking + cooking volume unit, but actual density varies significantly by how the ingredient is packed (scooped vs spooned-and-leveled — a 1-cup scoop of flour can range from 110 g to 150+ g depending on technique, which is why precise bakers use mass measurement in grams). Always level with a flat edge (the back of a knife) for accurate volumetric measurement. Butter is the dairy fat made by churning cream (≥80% milkfat per US FDA 21 CFR 131.110 standards; ≥82% for European-style + AOP cultured butters like Échiré, Beurre d'Isigny, Lurpak Premium). The remaining ~18% is water + milk proteins. Density ~0.911 g/mL at 20°C softened (1 US stick = 113 g = 8 tablespoons = 1/2 cup = 1/4 pound; 1 cup = 227 g). Salted butter contains 1-2% added salt; unsalted is preferred for baking (better control of recipe salt content). European-style butter (82-86% fat) is preferred for laminated doughs — croissants, puff pastry, kouign-amann — because the lower water content reduces steam during baking + produces flakier layers. Cultured butter has been fermented with lactic acid bacteria before churning, developing tangy + nutty notes (yogurt-like flavor compounds). Major brands: Land O'Lakes, Kerrygold, Plugrá, Vermont Creamery, Cabot, Organic Valley. Melting point ~32-35°C; smoke point ~150°C (lower than clarified butter or ghee at ~250°C). Density: 0.911 g/mL (used to convert volume measurements to mass).

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