1 cup of Butter in ounces

1 cup of butter = 7.6 ounces. That's based on a 227 g per cup baseline. Because butter can shift with temperature and texture state, weighing is usually more accurate than measuring by volume.

Reviewed by CupOrGram Editorial TeamData methodology: NIST-derived density references + recipe testing notesMethodology
Answer
7.6 ounces
Based on butter density of 0.911 g/ml
Source: NIST-DB-72
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Quick Reference Table

cupsounces
1/4 cups1.9 ounces
1/3 cups2.5 ounces
1/2 cups3.8 ounces
1 cups7.6 ounces
1.50 cups11.4 ounces
2 cups15.2 ounces
3 cups22.8 ounces
4 cups30.4 ounces

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Ingredient-specific, density-based conversions for baking

7.6
ounces
Ingredient-specific · density-based
Density-specific references, not generic cup charts · NIST-DB-72

Why this conversion varies

Butter changes behavior based on temperature and fat state.

  • Cold, softened, and melted states do not fill cups the same way.
  • Air pockets and smearing can alter volume fills.
  • This page uses a consistent 227 g per cup baseline for repeatable conversions.

Why this conversion matters

Butter influences richness, tenderness, and structure. Consistent conversion helps maintain stable emulsions and predictable bake results.

Practical baking use

Churned cream containing about 80% fat, 15% water, and 5% milk solids. Use this conversion as a practical starting point for scaling recipes with butter.

  • If consistency matters, verify with a small test batch first.
  • Use weight-based measurements when precision is critical.

FAQ

How much is 1 cup of butter in ounces?

1 cup of butter is 7.6 ounces using a 227 g per cup baseline.

Is 1 cup of butter the same as a fluid ounce measurement?

No. Fluid ounces measure liquid volume, while this page converts ingredient weight and volume using density and packing behavior.

Is it better to weigh butter for baking?

Usually yes. Weight-based measuring reduces shifts from temperature and texture state, so your results are more repeatable.

Related links for Butter

Recipe Context for Butter

For laminated dough: temperature and exact fat mass impact layer definition.

For creaming methods: weight keeps butter-to-sugar balance stable.

For custards: tight dairy ratios reduce curdling risk.

Common Pitfalls

  • Switching brands without re-checking weight can change texture and bake time.
  • Using volume-only measurements for dense ingredients can overshoot recipe targets.
  • Butter and dairy temperature affects emulsion stability and spread.

Brand Variance Example

Baseline on this page: 1 cup butter = 227g. Real-world range can shift by about 6% because temperature and fat phase (solid vs softened vs melted) change effective volume.

Example for 2 cups: baseline 454g, common range 426g-482g. If your bake is texture-sensitive, start with the lower bound and adjust after a test batch.

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