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About coffee measurements
Whole coffee beans are mostly air when measured by volume — a reference density near 0.37 g/ml, just 86 g per US cup. Roast level matters: dark roasts puff up lighter than dense light roasts, and the irregular beans leave gaps that make cup measures unreliable next to a scale.

Grams of coffee equivalent in ml?
FAQs on coffee weight to volume conversion
1 gram of coffee equals how many ml?
1 gram of coffee is equivalent 2.7 ml.
How much is 2.7 ml of coffee in grams?
2.7 ml of coffee equals 1 gram.
Coffee Conversion Chart Near 1 Gram
| Grams to Ml of Coffee | |
|---|---|
| 1 gram | 2.74 ml |
| 1.1 grams | 3.01 ml |
| 1.2 grams | 3.29 ml |
| 1.3 grams | 3.56 ml |
| 1.4 grams | 3.84 ml |
| 1.5 grams | 4.11 ml |
| 1.6 grams | 4.38 ml |
| 1.7 grams | 4.66 ml |
| 1.8 grams | 4.93 ml |
| 1.9 grams | 5.21 ml |
| 2 grams | 5.48 ml |
| 2.1 grams | 5.75 ml |
| 2.2 grams | 6.03 ml |
| 2.3 grams | 6.3 ml |
| 2.4 grams | 6.58 ml |
| 2.5 grams | 6.85 ml |
| 2.6 grams | 7.12 ml |
| 2.7 grams | 7.4 ml |
| 2.8 grams | 7.67 ml |
| 2.9 grams | 7.95 ml |
| 3 grams | 8.22 ml |
| 3.1 grams | 8.49 ml |
| 3.2 grams | 8.77 ml |
| 3.3 grams | 9.04 ml |
| 3.4 grams | 9.32 ml |
Note: Values are rounded to 3 significant figures. Fractions are rounded to common recipe fractions (1/8, 1/4, 1/3, 1/2, 2/3, 3/4…).
References:
Weight to Volume Conversions - Recipes
A note on cooking ingredients measurements
Notes: results are rounded (by default) to 3 significant figures. Cooking conversions use standard ingredient densities — the exact weight varies slightly with the brand and how tightly the ingredient is packed ☺.