# What is 4 cups to liters?

Converts cups (cup) to liters (L) and back, with the exact unit definitions.

- Page: https://www.acalculator.org/convert/4-cups-to-liters
- JSON spec: https://www.acalculator.org/convert/4-cups-to-liters.json
- Version: 0c838efa20eb

## Default answer

Example with the default inputs (Cups (cup) 4): 4 cups = 0.946353 L.

## Inputs

| Key | Label | Description |
| --- | --- | --- |
| value | Cups (cup) | The amount in cups to convert. |
| result | Liters (L) | The same amount in liters. |

## Outputs

| Key | Label | Description |
| --- | --- | --- |
| value | Cups (cup) | The amount in cups to convert. |
| result | Liters (L) | The amount in liters. |

## Method

L = cup × 0.2365882365

## Assumptions

- 1 cup = 0.2365882365 liters, from the exact definitions in NIST SP 811.
- Cups, ounces, tablespoons, teaspoons, pints, quarts, and gallons are US customary units: 1 US cup is 8 US fluid ounces.
- The answer shows at most 6 decimal places; the calculation keeps full precision.

## Worked examples

1. value = 1 gives result = 0.236588. Source: Exact unit definitions in NIST SP 811 (2008), Appendix B.8.
2. value = 4 gives result = 0.946353. Source: Exact unit definitions in NIST SP 811 (2008), Appendix B.8.
3. result = 0.946353 gives value = 4. Source: Exact unit definitions in NIST SP 811 (2008), Appendix B.8.

## FAQ

### What is 4 cups in liters?

4 cups is 0.946353 L. The formula is L = cup × 0.2365882365.

### How many liters are in a cup?

1 cup is 0.236588 liters, from the exact unit definitions (NIST SP 811).

### How do I convert cups to liters?

Multiply by 0.236588: L = cup × 0.2365882365. For example, 4 cups × 0.236588 = 0.946353 L.

### How do I convert liters back to cups?

Multiply by 4.226753, or type the liters into the second box and the converter works it out. 1 liter is 4.226753 cups.

## Sources

- NIST SP 811 (2008), Guide for the Use of the International System of Units, Appendix B.8. https://www.nist.gov/pml/special-publication-811