Cups to grams: instant coffee
A US cup of instant coffee weighs roughly 64 grams, or 2.26 ounces. Weighing is always more repeatable than scooping, which is why professional recipes give grams.
- Weight in ounces
- 2.258
- Cups in the weight you entered
- 1.563
- Tablespoons in that weight
- 25.00
- Tablespoons
- 16.00
- Teaspoons
- 48.0
- Volume
- 236.6
- Grams per cup used
- 64.0
- Implied bulk density
- 0.2705 g/mL
Show the working
- Amount in US cups = 1
- Or a weight to convert back = 100
- Grams per cup used = 64 = 64
- Weight = 1 * 64 = 64
- Weight in ounces = 64 / 28.349523125 = 2.257 53
- Tablespoons = 1 * 16 = 16
- Teaspoons = 1 * 48 = 48
- Volume = 1 * 236.5882365 = 236.588
- Cups in the weight you entered = 64 > 0 ? 100 / 64 : 0 = 1.5625
- Tablespoons in that weight = 1.5625 * 16 = 25
- Implied bulk density = 64 / 236.5882365 = 0.270 512
Values are shown to six significant figures here; the arithmetic itself runs on exact fractions and is only rounded where a number is printed.
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The formula
- grams = cups x grams per cup
- 1 US cup = 16 tablespoons = 48 teaspoons = 236.588 236 5 mL exactly
- 1 ounce = 28.349 523 125 g exactly
Cup figures assume the spoon-and-level convention: fluff the ingredient, spoon it into the cup and sweep the top flat. Dipping the cup straight into the bag packs in up to 20% more.
The volume conversions on this page are exact by definition. Only the grams-per-cup figure is a measured convention, and it is stated above so you can substitute your own.
Common measures of instant coffee
| Measure | Grams | Ounces |
|---|---|---|
| 1 teaspoon | 1.33 | 0.047 |
| 1 tablespoon | 4.00 | 0.141 |
| 1/4 cup | 16.0 | 0.56 |
| 1/3 cup | 21.3 | 0.75 |
| 1/2 cup | 32.0 | 1.13 |
| 1 cup | 64.0 | 2.26 |
| 2 cups | 128.0 | 4.52 |
Rounded for the kitchen. The calculator above keeps full precision.
Frequently asked
How many grams are in a cup of instant coffee?
About 64 g, using the spoon-and-level convention for a US cup.
How many grams are in a tablespoon of instant coffee?
About 4.00 g, since a tablespoon is exactly one sixteenth of a US cup.
Is a US cup the same as a metric cup?
No. A US cup is 236.588 mL, a metric cup is 250 mL and an imperial cup is 284.13 mL. A recipe that says "cup" without qualification almost always means the US one.
Where the numbers come from
- Volume relationships follow the US customary definitions; the grams-per-cup figure is the widely published spoon-and-level convention for this ingredient.