US Cups to Cubic Decimeters
Convert us cups to cubic decimeters instantly. 1 cup = 0.2365882365 dm³. Includes the exact factor, a conversion table of common values and the definition of both units.
How to convert us cups to cubic decimeters
To convert us cups to cubic decimeters, divide by 4.2267528377 (multiply by 0.2365882365). 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.
dm³ = cup × 0.2365882365
US Cups to Cubic Decimeters conversion table
The values people look up most often, rounded for reading. Use the calculator above for anything in between.
| US Cups | Cubic Decimeters |
|---|---|
| 1 cup | 0.236588 dm³ |
| 2 cup | 0.473176 dm³ |
| 3 cup | 0.709765 dm³ |
| 5 cup | 1.182941 dm³ |
| 10 cup | 2.365882 dm³ |
| 20 cup | 4.731765 dm³ |
| 25 cup | 5.914706 dm³ |
| 50 cup | 11.829412 dm³ |
| 100 cup | 23.658824 dm³ |
| 500 cup | 118.294118 dm³ |
| 1,000 cup | 236.588236 dm³ |
What is a us cup?
8 US fluid ounces. The standard American recipe measure.
What is a cubic decimeter?
Exactly one litre, by definition.
The formula
dm³ = cup × 0.2365882365
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 US Cups to Cubic Decimeters
- Type the number of us cups you want to convert.
- Read the result in cubic decimeters 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 cubic decimeters to us cups page.
US Cups to Cubic Decimeters — frequently asked questions
How many cubic decimeters are in a us cup?
One us cup equals 0.2365882365 dm³. dm³ = cup × 0.2365882365
What is the formula to convert us cups to cubic decimeters?
The formula is dm³ = cup × 0.2365882365. It is an exact definition rather than an approximation, so the conversion never drifts no matter how large the number.
How do I convert cubic decimeters back to us cups?
Divide instead of multiplying: one cubic decimeter is 4.2267528377 cup. 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 us cups to cubic decimeters 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 us cups to cubic decimeters.
- us cups to cubic decimeters
- how many cubic decimeters in a us cup
- cup2dm³
- us cups in cubic decimeters
- us cups to cubic decimeters converter
- convert us cups to cubic decimeters
- cup to cubic decimeters
- cups to cubic decimeters
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