Convert Cubic inches to US cups
1 cubic inch = 0.069264 US cups · cup = in³ ÷ 14.4375
When you need this conversion
This conversion goes from cubic inches, used for engine displacement and small volumes, to US cups, the volume-based measure central to American recipes. Both measure the same physical quantity, so the conversion is exact — the difference is which unit your source, tool, or region happens to use.
Cubic inches to US cups conversion table
| Cubic inches (in³) | US cups (cup) |
|---|---|
| 1 in³ | 0.069264 cup |
| 2 in³ | 0.138528 cup |
| 3 in³ | 0.207792 cup |
| 5 in³ | 0.34632 cup |
| 10 in³ | 0.692641 cup |
| 15 in³ | 1.039 cup |
| 20 in³ | 1.3853 cup |
| 25 in³ | 1.7316 cup |
| 50 in³ | 3.4632 cup |
| 75 in³ | 5.1948 cup |
| 100 in³ | 6.9264 cup |
| 250 in³ | 17.316 cup |
| 500 in³ | 34.632 cup |
| 1,000 in³ | 69.2641 cup |
The formula
cup = in³ ÷ 14.4375Because both units measure volume, the conversion is a single multiplication by a fixed factor. That factor never changes, so the result is exact.
Convert the other way
US cups to cubic inches →Related volume conversions
- Milliliters to US cups
- Milliliters to US fluid ounces
- Liters to cubic meters
- Liters to US gallons
- Cubic meters to liters
- Cubic meters to cubic feet
- Cubic feet to cubic meters
- US gallons to liters
- US cups to milliliters
- US fluid ounces to milliliters
- Liters to US cups
- Cubic meters to US cups
Frequently asked questions
- How many US cups are in a cubic inch?
- There are 0.069264 US cups in 1 cubic inch. The formula is cup = in³ ÷ 14.4375.
- How do you convert cubic inches to US cups?
- Use the formula cup = in³ ÷ 14.4375. For example, 10 cubic inches equals 0.692641 US cups.
- Is the cubic inches to US cups conversion exact?
- Yes. Cubic inches and US cups are both units of volume, related by an exact defined factor. Displayed results are rounded for readability.
- What is in³ short for?
- in³ is the standard symbol for cubic inch. cup is the symbol for US cup.