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US Cups to Pounds (All-purpose flour) Converter

Convert US cups (cup) to pounds (lb) for all-purpose flour, with the formula, a conversion table and exact factors.

Change the values and press Calculate to work out your own figures.

Enter an amount, choose its measure and the one you want, and pick the type. Spoons and cups convert to weight using the cited weight per cup.

The quantity to convert. Fractions such as 3/4 or 1 1/2 are accepted.
Unit you want. Swap exchanges the two units.
Weight per cup differs by ingredient and by how it is measured; each option names the assumption used.
Result
Converted amount
0.275578 lb
Density used
0.528344 g/mL (USDA FDC 168894, 1 cup = 125 g)

1 US cups of all-purpose flour = 0.275578 pounds. Weights for cups and spoons vary with how the ingredient is measured, so treat this as a close estimate.

The same amount in other weight units
UnitAmount
milligrams125,000
grams125
kilograms0.125
ounces (avoirdupois)4.40925
Show the working
  1. 1 cup = 236.5882365 mL
  2. × 0.528344 g/mL (USDA FDC 168894, 1 cup = 125 g) = 125 g
  3. = 0.275577827731 lb

How to convert us cups to pounds

1 cup = 0.275578 lb, so multiply by 0.275578 to go from US cups to pounds of all-purpose flour. Going the other way, 1 lb = 3.62874 cup.

lb = cup × 0.275578
cup = lb × 3.62874

Cups and spoons convert to weight using the weight per cup for all-purpose flour shown in the result; how the ingredient is measured (spooned, packed, sifted) changes it.

Worked example:

5 cup = 1182.9411825 mL
× 0.528344 g/mL (USDA FDC 168894, 1 cup = 125 g) = 625 g
= 1.37788913866 lb

US Cups to pounds table

US CupsPounds
1 cup0.275578 lb
2 cup0.551156 lb
3 cup0.826733 lb
4 cup1.10231 lb
5 cup1.37789 lb
6 cup1.65347 lb
7 cup1.92904 lb
8 cup2.20462 lb
9 cup2.4802 lb
10 cup2.75578 lb
15 cup4.13367 lb
20 cup5.51156 lb
25 cup6.88945 lb
30 cup8.26733 lb
40 cup11.0231 lb
50 cup13.7789 lb
75 cup20.6683 lb
100 cup27.5578 lb
250 cup68.8945 lb
500 cup137.789 lb
1000 cup275.578 lb

About the units

US Cups (cup)
US cups, a US customary unit. Definition: NIST Handbook 44 Appendix C (US customary units; US gallon = 231 in³).
Pounds (lb)
Pounds, a US customary unit. Definition: NIST Handbook 44 Appendix C (international foot and avoirdupois pound).

Formula version 0.1.0Reviewed