Cups to cubic inches (in3) conversion table shows the most common values for the quick reference. Alternatively, you may use the converter to convert any other values.
1 Cup [US] = 14.4375 Cubic Inches
1 Cup [Metric] = 15.255936 Cubic Inches
Cup is a volume unit and used mostly in cooking to measure liquid and bulk, dry foods. There is no international standard for cup sizes but mostly US Customary and metric cups are used and they are different in sizes.
Cubic inch is an imperial, US Customary unit. It is defined as a cube with all sides are one inch in length. The abbreviation is "in3".