Step 1: How Much Does It Weigh?

A cup of all-purpose flour, properly measured, should weigh 120 grams. The flour measured incorrectly by dipping the measuring cup into the flour can weigh anywhere from 150-160 grams. Try it out!

That's like 30% more flour than the recipe needs!

A cookie or cake made with flour measured this way will be tough and dry. Sauces will be too thick, and pie crusts crumbly and dry.

<p>Sometimes dipping the cup into the bag of flour is actually the correct way to measure it. I've owned two bread makers and the instruction books for both stated to do it this way.</p>
okay...now i have a scale...and when the ingredients say 1 cup i assume it's 8oz...and i weigh bread flour, cake flour , white flour the same...meaning when it asks for one cup...i check if it's 8 oz...so am i right or wrong?
What that means is 8oz in volume. Because each type of flour has a different weight because of how it's made, the final weights should be different. A little derivation is fine - you'll see websites all over giving different weights for the same volume. Try it out yourself and see what works best! <br /> <br />For weight in ounces (our system is so confusing!) <br /> <br />1 cup white flour weighs 4.2 oz <br />1 cup whole wheat flour weighs 4.9 oz <br />1 cup bread flour weighs 4.5 oz <br />1 cup cake flour weighs 4.0 oz
What if I don't have a scale? How am i going to check really, i can't get one ):
<p>If you don't have a scale, you can do this:<br><br>https://www.youtube.com/watch?v=TKWACOrFYKU</p>
<p>1 cup=8oz is fluid oz. that's a liquid measurement, and it's only accurate for pure water. For example, pure alcohol would weigh 6oz per cup, honey would weigh 12oz per cup. Something with a LOT of air in it, flour, for example, a cup isn't a measure of weight, it's sort of an arbitraty measure of volume, so everything will weigh something different if you use a cup as a weight. It's not a weight, it's a measure. What you have to do to convert if you want to do recipes by weight is you have to look up the actual weight per cup of whatever substance you are using, or buy recipe books that use weights instead of measures. Conversion is complicated. *everything* weighs something different. Personally I love my calibrated digital kitchen scale. It's something no kitchen should be without.</p>
<p>I usually just put my hand on the outside of the bag use that to level it off as i'm pulling the cup out of the bag.</p>
Incredible! I never knew that there would be such a massive difference...(I guess now we all know why I never suceeded in baking :P)
I usually just dig in the flour with the cup, and then scoop up the flour I&nbsp;dig loose, since that will be more fluffy. Same result :)<br />
this will help my Yorkshire Puddings which have been rather heavy lately and not rising as high as previously.&nbsp; I&nbsp;am now sure it was this 120gm vs. 150gm difference!<br /> Thanks for the excellent visual evidence!<br />
only thing is, does it really matter? I mean ten to twenty grams diffrence in flour when the whole mix can be in the kilogram range, isnt that much.
its a percentage. Flour is the primary ingredient in many recipes...seconded usually only by sugar. 160/120 isn't just a few grams... its a full THIRD too much. That can make a huge difference.
Thanks for all of your great support and insight!!<br />
But don't most cookbooks use the scoop?
They use the scoop - the gentle scoop described in this instructable. When you lightly spoon it into the measure, it loosens the particles. Scooping compacts them in.
Yes, but all the recipes i use, say "2 cups of flour" etc.
2 properly measured cups. flour compacts...
Good info! I shall remember this - fluffy flour, not packed. Check.
my highschool cooking teacher said to scoop the flour, then "cut" it up in the measuring cup with a butter knife to fluff it up, then level it off. Always worked for me. Though, most always, you can just look at the dough and see if it needs more or less flour..
cool my cus awaly messed up on mesureing things

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Bio: Former Living & Food editor here at Instructables, now running Sousvidely.com! Follow me @sousvidely
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