# What is 150 ml to cups?

Converts milliliters (mL) to cups (cup) and back, with the exact unit definitions.

- Page: https://www.acalculator.org/convert/150-ml-to-cups
- JSON spec: https://www.acalculator.org/convert/150-ml-to-cups.json
- Version: 14336d5ae508

## Default answer

Example with the default inputs (Milliliters (mL) 150): 150 mL = 0.634013 cup.

## Inputs

| Key | Label | Description |
| --- | --- | --- |
| value | Milliliters (mL) | The amount in milliliters to convert. |
| result | Cups (cup) | The same amount in cups. |

## Outputs

| Key | Label | Description |
| --- | --- | --- |
| value | Milliliters (mL) | The amount in milliliters to convert. |
| result | Cups (cup) | The amount in cups. |

## Method

cup = mL × 0.00422675283773 (the same as mL ÷ 236.5882365)

## Assumptions

- 1 milliliter = 0.00422675283773 cups, from the exact definitions in NIST SP 811.
- Cups, ounces, tablespoons, 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 = 0.004227. Source: exact unit definitions in NIST SP 811 (2008), Appendix B.8.
2. value = 250 gives result = 1.056688. Source: exact unit definitions in NIST SP 811 (2008), Appendix B.8.
3. result = 1.056688 gives value = 250. Source: exact unit definitions in NIST SP 811 (2008), Appendix B.8.

## FAQ

### What is 150 ml in cups?

150 mL is 0.634013 cup. The formula is cup = mL × 0.00422675283773 (the same as mL ÷ 236.5882365).

### How many cups are in a milliliter?

1 milliliter is 0.004227 cups, from the exact unit definitions (NIST SP 811).

### How do I convert ml to cups?

Multiply by 0.004227: cup = mL × 0.00422675283773 (the same as mL ÷ 236.5882365). For example, 150 mL × 0.004227 = 0.634013 cup.

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

Multiply by 236.588237, or type the cups into the second box and the converter works it out. 1 cup is 236.588237 milliliters.

## 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