15g Butter to Cups
15 grams of butter is a small amount, best measured with a spoon rather than a full cup. At 227g per cup, it works out to 1.1 tablespoons.
- Cups (US Customary)
- 0.07 (⅛)
- Tablespoons
- 1.1
- Teaspoons
- 3.2
- Milliliters
- 16 ml
15 grams of butter = 0.07 cups (⅛ cup / 1.1 tbsp / 3.2 tsp)
Butter has a density of approximately 227g per cup. Solid or melted weighs the same per cup. Source: USDA FoodData Central. This is the figure used everywhere on this page, including the tablespoon and teaspoon values, so the numbers stay consistent whether you're reading the summary line, the table, or the FAQ answers below.
| Grams | Cups | Fraction | Tablespoons | Teaspoons |
|---|---|---|---|---|
| 9g | 0.04 | ⅛ | 0.6 | 1.9 |
| 10g | 0.04 | ⅛ | 0.7 | 2.1 |
| 15g | 0.07 | ⅛ | 1.1 | 3.2 |
| 20g | 0.09 | ⅛ | 1.4 | 4.2 |
| 25g | 0.11 | ⅛ | 1.8 | 5.3 |
The Math for 15g of Butter
15g divided by 227g (the weight of one cup of butter) equals 0.07 cups. Multiplying that by 16 gives 1.1 tablespoons, and by 48 gives 3.2 teaspoons, since one cup always equals 16 tablespoons or 48 teaspoons regardless of the ingredient.
Butter is lighter than water, which weighs about 236g per cup. That's why 15g of butter takes up more volume (16ml) than the same weight of water would (15ml). For a side-by-side look at how other ingredients compare, see the 15 grams to cups page.
Metric and Imperial Cup Sizes
The 0.07 cup figure above uses the US Customary cup (236.588ml). Recipes written outside the US sometimes use a metric cup (250ml) or an imperial (uk) cup (284.131ml) instead. At 15g, that's ⅛ metric cups or ⅛ imperial cups of butter, close to the US figure but not identical. The cup standard switch in the converter above recalculates this instantly for any gram amount.
Making More or Less Than 15g
Doubling a recipe that calls for 15g of butter means weighing 30g, or measuring 0.13 cups if you're working by volume instead of weight. Halving it means 7.5g, or 0.03 cups. Weight scales exactly with simple multiplication; cup measurements compound any scooping error each time they're doubled or halved, so weighing is more reliable the more a recipe is scaled.
How Butter Compares to Similar Ingredients
Within fats & oils, density still varies by ingredient. At 15g, vegetable oil (218g per cup) measures ⅛ cup, while olive oil (216g per cup) measures ⅛ cup, compared to ⅛ cup for butter. Swapping ingredients in a recipe by cup measurement alone, without adjusting for this difference, changes the actual weight used.
Typical Uses for Butter
- Most cookie recipes call for 227g (1 cup, or 2 sticks) of butter.
- A pound cake typically uses 227g to match its name.
- Pie crusts often need 113g (1 stick) per single crust.
Getting an Accurate Spoon Measurement
Fats & Oils
Press solid fats like butter into the cup to remove air pockets, then level the top. Liquid oils should be poured to the marked line at eye level.
For exact results
Room-temperature butter measures more consistently than cold butter, since cold butter can leave small gaps when pressed into a cup. For melted butter, measure the volume after melting, not before, since melting slightly changes how it fills a cup.
For every gram amount at once, the butter conversion chart lists butter across the full range from 1g to 1000g in one table.
Frequently Asked Questions
What is 15 grams of butter in cups?+
15 grams of butter is 0.07 cups, or 1.1 tablespoons.
Should I use a spoon or a cup for 15g of butter?+
At 15g, a tablespoon or teaspoon measurement is usually more practical than a fractional cup. Use 1.1 tablespoons or 3.2 teaspoons.
Is 15 grams of butter the same as 15 milliliters?+
Only if it weighed the same as water. 15g of water is about 15ml, while 15g of butter is 16ml, because the two have different densities.
Does the answer change for a metric or imperial cup?+
Slightly. 15g of butter is ⅛ metric cups or ⅛ imperial cups, close to the US figure but not identical, since each standard defines the cup at a different volume.