That is entirely objective. It depends how strong you like your coffee. It also depends what kind of coffee it is and how you brew it. A friend and I buy the same coffee, we both drink 3 cups in a morning. My tin lasts about 28 days. His lasts 6 weeks.
for every cup 7 grams.
You would have to specify which ingredient, they are all different cup/weight sizes. For instance a cup of oregano is only 75 grams, but a cup of sugar is 250 .
None
250 gm for a 'regular'.
A 9-ounce cup typically holds about 266 milliliters of liquid. This size is commonly used for beverages like coffee or tea and is considered a medium cup. In terms of dimensions, a 9oz cup may vary in height and diameter, but it generally has a capacity suitable for a single serving.
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The ideal percolator coffee ratio is typically 1 gram of coffee for every 15-18 grams of water for a perfect cup of coffee.
A cup of ground coffee typically weighs around 120 grams.
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It is found in coffee, how much is a cup of coffee where you live?
For a perfect cup of pour-over coffee, the recommended measurements are 1:16 coffee to water ratio, using 30 grams of coffee for every 480 grams of water.