Cubic Inches to US Cups
Convert cubic inches to us cups instantly. 1 in³ = 0.0692640693 cup. Includes the exact factor, a conversion table of common values and the definition of both units.
How to convert cubic inches to us cups
To convert cubic inches to us cups, divide by 14.4375 (multiply by 0.0692640693). The relationship is fixed, so the same factor works for any quantity — there is nothing to look up and nothing that changes with temperature, location or context.
cup = in³ × 0.0692640693
Cubic Inches to US Cups conversion table
The values people look up most often, rounded for reading. Use the calculator above for anything in between.
| Cubic Inches | US Cups |
|---|---|
| 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 |
| 20 in³ | 1.385281 cup |
| 25 in³ | 1.731602 cup |
| 50 in³ | 3.463203 cup |
| 100 in³ | 6.926407 cup |
| 500 in³ | 34.632035 cup |
| 1,000 in³ | 69.264069 cup |
What is a cubic inch?
Exactly 16.387064 mL. The classic US engine-displacement unit.
What is a us cup?
8 US fluid ounces. The standard American recipe measure.
The formula
cup = in³ × 0.0692640693
Every result on this page comes from this formula. Nothing is rounded until the final display, so figures match a spreadsheet to the cent.
How to use the Cubic Inches to US Cups
- Type the number of cubic inches you want to convert.
- Read the result in us cups straight away — there is no button to press.
- Check the table below for the values that come up most often, or reverse the conversion with the linked us cups to cubic inches page.
Cubic Inches to US Cups — frequently asked questions
How many us cups are in a cubic inch?
One cubic inch equals 0.0692640693 cup. cup = in³ × 0.0692640693
What is the formula to convert cubic inches to us cups?
The formula is cup = in³ × 0.0692640693. It is an exact definition rather than an approximation, so the conversion never drifts no matter how large the number.
How do I convert us cups back to cubic inches?
Divide instead of multiplying: one us cup is 14.4375 in³. The reverse converter is linked in the related tools list.
Is this conversion exact?
Yes. Both units are defined against the same base unit by international agreement, so the factor is exact — any rounding you see is only in the display, which you can widen by entering more decimal places.
Is this cubic inches to us cups free to use?
Yes. Every calculator on the site is free, needs no sign-up, and runs entirely in your browser, so your figures never leave your device.
What people search for
This page answers each of these searches. They are the exact phrases visitors use to find the cubic inches to us cups.
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About this calculator
Written and reviewed by The Samsung Calculator editorial team. Every calculator is written against a published formula, reviewed against at least one independent reference implementation, and dated when it changes.
Last reviewed August 15, 2026 · Calculation runs client-side · No data collected · Report an error