The factor
One pound is 453.592 g. A 5 lb bag of flour is 2,268 g — which is 18 cups at 125 g per cup.
Bulk buying maths
- 1 lb butter = 454 g = 4 sticks
- 1 lb sugar = 454 g ≈ 2 1/4 cups
- 1 lb flour = 454 g ≈ 3.6 cups
- 25 lb flour = 11.3 kg, roughly 90 cups
Recipe scaling with weight
Weights scale linearly and exactly — no fraction rounding. If you are scaling a bread recipe to 3×, work in grams and multiply; it is the most reliable path.
Why the metric system wins here
Decimal units make scaling trivial. Converting a 1 lb 6 oz measurement to grams requires two steps; recipes written in grams need none.
Frequently Asked Questions
How many grams in a pound?
453.592 g. A 1 lb bag of flour is about 3.6 cups.
Why convert pounds to grams?
Bulk ingredients are sold in pounds but recipes are often metric; grams make scaling exact.
How many cups in a pound of flour?
About 3.6 cups at 125 g per cup — but it varies with how the flour is scooped.
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