Cups to Cubic Inches Conversion
Enter the volume in cups below to get the value converted to cubic inches.
How to Convert Cups to Cubic Inches

To convert a cup measurement to a cubic inch measurement, multiply the volume by the conversion ratio. One cup is equal to 14.4375 cubic inches, so use this simple formula to convert:
The volume in cubic inches is equal to the cups multiplied by 14.4375.
Cups and cubic inches are both units used to measure volume. Keep reading to learn more about each unit of measure.
Cups
The cup is a unit of volume equal to 16 tablespoons or 8 fluid ounces. The cup should not be confused with the metric cup or the teacup, which are different units of volume. One cup is equal to just under 236.6 milliliters, but in nutrition labelling, one cup is equal to 240 milliliters.[1]
The cup is a US customary unit of volume. Cups can be abbreviated as c, and are also sometimes abbreviated as C. For example, 1 cup can be written as 1 c or 1 C.
Cubic Inches
A cubic inch is a unit of volume equal to the space consumed by a cube with sides that are one inch in all directions. One cubic inch is equivalent to about 16.387 cubic centimeters or 0.554 fluid ounces.[2]
The cubic inch is a US customary and imperial unit of volume. A cubic inch is sometimes also referred to as a cubic in. Cubic inches can be abbreviated as in³, and are also sometimes abbreviated as cu inch, cu in, or CI. For example, 1 cubic inch can be written as 1 in³, 1 cu inch, 1 cu in, or 1 CI.
Cup to Cubic Inch Conversion Table
Cups | Cubic Inches |
---|---|
1 c | 14.44 in³ |
2 c | 28.88 in³ |
3 c | 43.31 in³ |
4 c | 57.75 in³ |
5 c | 72.19 in³ |
6 c | 86.63 in³ |
7 c | 101.06 in³ |
8 c | 115.5 in³ |
9 c | 129.94 in³ |
10 c | 144.38 in³ |
11 c | 158.81 in³ |
12 c | 173.25 in³ |
13 c | 187.69 in³ |
14 c | 202.13 in³ |
15 c | 216.56 in³ |
16 c | 231 in³ |
17 c | 245.44 in³ |
18 c | 259.88 in³ |
19 c | 274.31 in³ |
20 c | 288.75 in³ |
21 c | 303.19 in³ |
22 c | 317.63 in³ |
23 c | 332.06 in³ |
24 c | 346.5 in³ |
25 c | 360.94 in³ |
26 c | 375.38 in³ |
27 c | 389.81 in³ |
28 c | 404.25 in³ |
29 c | 418.69 in³ |
30 c | 433.13 in³ |
31 c | 447.56 in³ |
32 c | 462 in³ |
33 c | 476.44 in³ |
34 c | 490.88 in³ |
35 c | 505.31 in³ |
36 c | 519.75 in³ |
37 c | 534.19 in³ |
38 c | 548.63 in³ |
39 c | 563.06 in³ |
40 c | 577.5 in³ |
References
- U.S. Food & Drug Administration, Guidance for Industry: Guidelines for Determining Metric Equivalents of Household Measures, https://www.fda.gov/regulatory-information/search-fda-guidance-documents/guidance-industry-guidelines-determining-metric-equivalents-household-measures
- National Institute of Standards and Technology, Specifications, Tolerances, and Other Technical Requirements for Weighing and Measuring Devices, Handbook 44 - 2019 Edition, https://nvlpubs.nist.gov/nistpubs/hb/2019/NIST.HB.44-2019.pdf