4 oz of Butter Is How Many Cups? The Simple Answer Plus Everything Else You Need to Know
If a recipe calls for 4 oz of butter and your measuring cup only shows cups, you are probably standing in the kitchen wondering how much to scoop. The answer is refreshingly simple: 4 oz of butter equals 1/2 cup, which is also 1 standard stick or 8 tablespoons. This complete guide to butter measurements explains where that number comes from, how to measure 4 oz of butter with or without a scale, and why weight-based measuring makes baking far more reliable.
The Short Answer: 4 oz of Butter Equals 1/2 Cup
Here is the conversion you came for, stated plainly:
- 4 oz butter = 1/2 cup
- 4 oz butter = 1 stick
- 4 oz butter = 8 tablespoons
- 4 oz butter = 24 teaspoons
- 4 oz butter = about 113 grams
That means if your recipe lists butter in ounces and you only have cup markings, fill your measuring cup halfway. If your butter comes wrapped in paper with tablespoon lines printed on it, cut at the 4-ounce or 8-tablespoon mark and you are done.
Understanding the Ounce: Weight vs. Fluid Ounces
Before going further, it helps to clear up a genuine source of confusion. The word "ounce" describes two different things:
- Ounce (oz) — a unit of weight. This is what butter packages use.
- Fluid ounce (fl oz) — a unit of volume. This is what liquid measuring cups use.
Butter is sold by weight, so when a recipe says "4 oz of butter," it almost always means 4 ounces by weight. The reason this converts so neatly into cups is that butter is a solid fat with a density very close to water, so its weight and volume line up in a convenient way. One cup of butter weighs 8 ounces, which is exactly half a pound.
This is not true for everything. A cup of flour weighs about 4.25 ounces, and a cup of granulated sugar weighs about 7 ounces. That is precisely why recipes that measure flour in cups can vary so much from baker to baker, while butter stays consistent.
No fluff here — just what actually works.
The Butter Measurement Conversion Chart
Because butter packaging is standardized, the math is predictable. Keep this chart handy:
| Weight | Volume (cups) |
