How Much Does 1/3 Cup Butter Weigh? (Weight Chart)

One-third US cup of butter weighs about 76 grams, or 2.67 ounces by weight. It equals 5 tablespoons plus 1 teaspoon, or two-thirds of a standard US stick. For the most reliable result, tare a dry bowl on a kitchen scale and weigh 76 grams. The butter’s salted or unsalted type does not materially change this conversion.

Butter conversions are useful year after year because recipes still measure ingredients in cups, sticks, and grams. But small differences can affect a bake, especially when you are trying to follow a recipe closely. I often see bakers mistake one-third of a cup for one-third of a stick. Those amounts are not the same, and the smaller piece can leave a recipe short on butter.

Butter Measurement Setup: Cups, Sticks, and Scale

One-third cup is a volume measure, while grams and ounces are weight measures. For US butter, one-third cup is about 75.7 grams, which is rounded to 76 grams for practical use. You can also measure it with spoons or by cutting a standard stick, but weighing is the clearest method.

Weighing 76 grams on a kitchen scale

A kitchen scale measures mass directly, so you do not need to fit butter into a cup or judge a cut by eye. This is especially useful when a recipe gives a gram amount or when you want the same result each time. A small difference is normal when converting rounded kitchen measures.

1. Put a clean, dry bowl on the scale.
2. Turn the scale on, or press its tare button, so the display reads zero with the bowl on it.
3. Set the scale to grams if needed.
4. Add butter until the display reads 76 g.
5. Use the butter in the condition and at the point the recipe specifies.

If your scale measures only whole grams, 76 g is a suitable target. If it displays tenths of a gram, there is no need to chase exactly 75.7 g for ordinary home baking. The practical conversion is rounded to make measuring easy.

Measuring without a scale

If your butter wrapper has tablespoon or cup markings, use the one-third-cup line when available. Otherwise, measure 5 tablespoons plus 1 teaspoon. Those spoon amounts add up to one-third of a US cup.

For stick butter, one standard US stick is ½ cup, or about 113 g. Two-thirds of that stick gives about 76 g. Do not cut off one-third of a stick: that gives about 38 g, only half the amount you need.

Cups, ounces, and regional measures

The 76 g conversion refers to a US customary cup. Ounces can cause confusion because a fluid ounce measures volume, while the 2.67 ounces listed here is a weight. They are different kinds of measurement, so do not use a fluid-ounce cup as a substitute for weighing 2.67 ounces of butter.

Recipes from other places may define a cup differently. If the recipe states a gram amount, use it. If it gives only cups and comes from a different measurement system, check the recipe’s cup standard before converting. For a US recipe calling for one-third cup butter, 76 g is the useful target.

Using ⅓ Cup Butter in Baking and Cooking

The correct amount is only part of the job. Butter’s condition and timing also matter: a recipe may call for it cold, softened, or melted. Weighing 76 g gives you the right amount, but follow the recipe’s directions for preparing and adding it.

Cold, softened, or melted butter

Cold butter holds its shape. Softened butter yields when pressed but is not fully liquid, while melted butter has been heated until fluid. These states affect how butter mixes into a recipe, even though the amount by weight remains 76 g.

For instance, a recipe may ask you to cream softened butter with sugar. Creaming means beating them together to make a mixed, lighter-textured base. Replacing softened butter with melted butter can change how the mixture behaves. Keep the recipe’s stated condition rather than choosing a different one based only on convenience.

Why weighing melted butter can help

If a recipe calls for melted butter, weigh 76 g before melting, or weigh it after melting if your scale and container allow a clear reading. The weight does not change just because the butter melts. However, measuring melted butter by volume can be less dependable when the recipe expects solid butter: melted butter can separate, and the amount you transfer into a cup may vary.

A bowl on a scale avoids that ambiguity. If you weigh before melting, use a container that can safely hold the butter as it melts. If you weigh after, tare the container first and take care not to include any water or other ingredient in the reading.

Two common recipe situations

In a cake recipe, the listed state of the butter matters as much as the amount. If it says “softened,” measure 76 g and then let it soften as directed. Do not melt it simply because it is easier to pour.

In a pan sauce or other cooked dish, the recipe may call for melted butter. Measure 76 g, then melt it and add it at the specified stage. The same weight conversion works for both examples; the recipe instructions determine how you prepare the butter.

Salted and unsalted butter

Salted butter and unsalted butter have slightly different compositions, but the difference does not materially change this basic cup-to-weight conversion. One-third cup remains about 76 g. The type of butter may affect the salt in the finished recipe, so check whether the recipe names salted or unsalted butter and adjust only if its instructions allow.

Use 76 g for the amount, then match the recipe’s butter state and timing. That separates the conversion question from the mixing or cooking steps.

Butter Storage, Softening, and Cleanup

Storage does not alter the conversion: one-third US cup still corresponds to about 76 g. It does affect how easily you can measure and use the butter. Keep butter stored according to its package directions, and choose a measuring method that suits its current state.

Softening butter for measuring and mixing

Butter that is too firm may be hard to cut into an exact piece. If the recipe calls for softened butter, let the measured 76 g soften until it reaches the condition described in the recipe. Avoid leaving butter out longer than needed; follow the recipe and safe handling guidance for your kitchen.

If you need to measure first, cut the amount while the butter is firm, then soften it. Package markings can help, but they are not required. A scale is useful when the butter has no marks or the stick has already been cut.

Keeping the measurement clean

For scale measurements, place butter in a dry bowl or on a piece of suitable kitchen wrap, then tare the scale before adding it. If butter sticks to a spoon or cup, some may stay behind during transfer. Scrape the utensil or container as the recipe allows, especially when using the full measured amount in a small-batch recipe.

A measuring cup is not a scale, and a spoon measure is not always as quick as a scale. Still, both methods work when used carefully. Choose the method that lets you transfer the full amount the recipe needs.

Serving and Recipe Presentation

For cooking and baking, presentation does not change the weight conversion. The useful choices are how to portion the butter and how to communicate the amount clearly in a recipe. A weight label can help readers avoid confusion between cups, sticks, and spoons.

Clear ways to describe the amount

When sharing a recipe, listing both the volume and weight can make the instruction easier to follow. For example: “⅓ cup butter (76 g),” followed by “softened” or “melted” if that state matters. This gives readers a scale option without removing the familiar cup measure.

If you are following a recipe, use the amount it specifies rather than adding extra butter for appearance or texture. One-third cup is not a garnish-size estimate; it is a defined ingredient amount. The clearest target is 76 g, with the required butter condition stated separately.

Frequently Asked Questions

How many grams is one-third cup of butter?
One-third US cup of butter weighs about 75.7 g, usually rounded to 76 g.

How many ounces does one-third cup of butter weigh?
It weighs about 2.67 ounces by weight. This is not the same as 2.67 US fluid ounces.

How many tablespoons are in one-third cup of butter?
One-third cup equals 5 tablespoons plus 1 teaspoon.

How many sticks of butter is one-third cup?
It is two-thirds of a standard US stick. A standard stick is ½ cup, or about 113 g.

Is one-third cup the same as one-third of a stick?
No. One-third of a standard stick is about 38 g, while one-third cup is about 76 g.

Does salted butter weigh more than unsalted butter for this conversion?
The difference does not materially change the conversion. Use about 76 g for either type, while following the recipe’s salt directions.

Can I measure one-third cup of butter after melting it?
You can, but weighing 76 g is more dependable when a recipe expects solid butter. Melting and transferring butter can make a volume measure less consistent.

Should I weigh butter before or after melting it?
Either is suitable if you weigh 76 g. Weighing before melting is often simple; if weighing afterward, tare the container and include only the butter.

What should I do if my butter wrapper has no measurement marks?
Cut or measure 5 tablespoons plus 1 teaspoon, or weigh 76 g on a kitchen scale.

Does the type of cup affect the conversion?
Yes. The 76 g figure applies to a US cup. If a recipe uses another cup standard, check its measurement definition or follow a listed weight.

(This article was written by one of our staff writers, Andrew P. Morrison. Visit our Meet the Team page.)