What is 991 grams to cups depends on two things, the substance’s density as well as the capacity of the cup. 991g in cups of the same size is not the same for sugar and flour for example, because they have a different density ρ known as rho, which also varies with temperature and pressure conditions. If you have been looking for *991g to cup* or if you have been asking yourself *how much is 991g in cups* you are right here, too, of course. Read on below to learn all about 991 grams in cups.

## How many Cups is 991 Grams

To understand how many cups is 991 grams we must first determine the capacity of the cup: 240 milliliters is the US legal cup which is used in nutrition labeling, 250 ml the metric cup and the US customary cup equals ≈ 236.58 ml. The Canadian cup is ≈ 227.3 ml, and the Imperial cup equals approximately 284.13 milliliters. Check your recipe or cooking book for a hint about the cup calibration.

Next in *991 grams equals how many cups* we need to figure out the density to apply the formula V = m / ρ, V being the volume and m the mass. If you are looking for the conversion 991 grams to cups but don’t know the density of your material or substance you will likely find the information by means of a search engine. Just make sure to get the unit right.

## Convert 991 Grams to Cups

To convert 991 grams to cups we use the following equation: cups = m / (ρ * cup size), ρ in g/ml or g/cm^{3}. For example, for water with ρ = 1 and United States “legal” cups we get Cups = 991 g / ( 1g / ml * 240 ml) ≈ 0.42.

For water, 991 g to cup makes 0.42 cups with a capacity of 240 ml. Butter and milk would have a different value though, as ρ ≠ 1. Below you can find 991g into cups for frequently used ingredients:

To change 991 gram to cup for any other material we suggest you use our converter below and enter either the density or select the substance. Then decide on the cup unit.

To change 991 g to cups using the first calculator start by entering 991 in the *Grams* field. Then insert the density, followed by its unit. To convert 991 grams to cup you must then choose the cup size. Next hit the *convert* button to obtain 991 grams converted to cups of your choosing.

If you don’t know the density then enter 991 in the first field of the next converter and select the ingredient from the drop-down list, followed by the cup capacity. This will tell you how many cups is 991g for the substance chosen, approximately.

Besides 991 grams to cups, frequent grams to cup conversions on this website include:

## 991g to Cups

By reading *how much is 991 grams in cups* so far and with the use of our calculators you know on what factors 991g to cups depends and how to change the mass to volume from g to cups.

If an ingredient is important and missing, then send us a message or leave a comment and we will include it in the tool, not just for the 991g in cups conversion.

Note that you can also use the search form in the sidebar to find the many 991 gram cup conversions we have already done for common cooking products.

Further information related to *how many cups in 991 grams*, about grams and cups, density as well as pressure and temperature assumptions can be found on the home page.

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