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US Cups to Pounds Converter

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

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

Convert cups and spoons to grams or ounces (or back) for a chosen ingredient, using USDA weights, or enter your own density.

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 (sifted, packed, chopped). Each option names the assumption used; choose Other to enter your own density.
Only used when the ingredient is Other: the weight per volume of your ingredient.
Result
Converted amount
0.521588 lb
Density used
1 g/mL (USDA FDC 174158, 1 ml = 1 g)

1 US cups of water = 0.521588 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
milligrams236,588
grams236.588
kilograms0.236588
ounces (avoirdupois)8.3454
Show the working
  1. 1 cup = 236.5882365 mL
  2. × 1 g/mL (USDA FDC 174158, 1 ml = 1 g) = 236.5882365 g
  3. = 0.521587778251 lb

How to convert us cups to pounds

1 cup = 0.521588 lb, so multiply by 0.521588 to go from US cups to pounds. Going the other way, 1 lb = 1.91722 cup.

lb = cup × 0.521588
cup = lb × 1.91722

Worked example:

5 cup = 1182.9411825 mL
× 1 g/mL (USDA FDC 174158, 1 ml = 1 g) = 1182.9411825 g
= 2.60793889126 lb

US Cups to pounds table

US CupsPounds
1 cup0.521588 lb
2 cup1.04318 lb
3 cup1.56476 lb
4 cup2.08635 lb
5 cup2.60794 lb
6 cup3.12953 lb
7 cup3.65111 lb
8 cup4.1727 lb
9 cup4.69429 lb
10 cup5.21588 lb
15 cup7.82382 lb
20 cup10.4318 lb
25 cup13.0397 lb
30 cup15.6476 lb
40 cup20.8635 lb
50 cup26.0794 lb
75 cup39.1191 lb
100 cup52.1588 lb
250 cup130.397 lb
500 cup260.794 lb
1000 cup521.588 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