mL to cups converter
1 US cup is 236.588 mL, so 1 mL is 0.00422675 cups. To convert mL to cups, divide the milliliters by 236.588.
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250 milliliters =
1.05669cup
Also written as 16.9 US tablespoons
Formula: cup = mL ÷ 236.5882365
Show the steps
- Definition: 1 mL = 0.001 L = 1 cm³; 1 US cup = 8 US fl oz = 236.5882365 mL
- 250 mL ÷ 236.5882365 = 1.05669 cup
Definitions used: 1 mL = 0.001 L = 1 cm³; 1 US cup = 8 US fl oz = 236.5882365 mL.
Source: NIST SP 811, Appendix B.8 and NIST Handbook 44 (2026), Appendix C, checked on .
How to convert milliliters to US cups
Divide the value in milliliters by 236.5882365. The factor follows from the definitions: 1 mL = 0.001 L = 1 cm³, and 1 US cup = 8 US fl oz = 236.5882365 mL.
cup = mL ÷ 236.5882365
Worked example: 250 mL to cup
- Definition: 1 mL = 0.001 L = 1 cm³; 1 US cup = 8 US fl oz = 236.5882365 mL
- 250 mL ÷ 236.5882365 = 1.05669 cup
- Answer: 250 mL = 1.05669 cup (16.9 US tablespoons).
Milliliters to US cups chart
| Milliliters (mL) | US cups (cup) |
|---|---|
| 15 | 0.0634013 |
| 30 | 0.126803 |
| 50 | 0.211338 |
| 60 | 0.253605 |
| 80 | 0.33814 |
| 100 | 0.422675 |
| 120 | 0.50721 |
| 125 | 0.528344 |
| 150 | 0.634013 |
| 180 | 0.760816 |
| Milliliters (mL) | US cups (cup) |
|---|---|
| 200 | 0.845351 |
| 240 | 1.01442 |
| 250 | 1.05669 |
| 300 | 1.26803 |
| 350 | 1.47936 |
| 400 | 1.6907 |
| 500 | 2.11338 |
| 600 | 2.53605 |
| 750 | 3.17006 |
| 1,000 | 4.22675 |
Values rounded to 6 significant digits. Type any other number in the converter at the top of the page.
Is a cup 240 mL or 250 mL?
It depends on who wrote the recipe. The US customary cup is 8 US fluid ounces, 236.588 mL. US nutrition labels use a rounded cup of exactly 240 mL (21 CFR 101.9). Recipes from Australia, Canada and other metric countries often use a 250 mL cup; that value is a kitchen convention we did not confirm in an official source.
How many cups is 250 mL?
250 mL is 1.057 US cups: one cup plus about one tablespoon. 500 mL is 2.113 cups and 1 liter is 4.227 cups.
More questions about milliliters and US cups
How many mL is 1 cup?
One US customary cup is 236.5882365 mL. Measuring jugs usually mark it as 240 mL.
How many cups is 100 mL?
100 mL is 0.4227 US cups, a little under half a cup (about 6 3/4 tablespoons).
How many mL is half a cup?
Half a US cup is 118.29 mL and a quarter cup is 59.15 mL.
Can I use this for flour or sugar?
For volume, yes. To turn cups into grams you need the ingredient, because a cup of flour weighs 125 g and a cup of sugar 200 g. Use the cups to grams page.
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Sources and limits
- NIST SP 811, Appendix B.8
NIST Special Publication 811, Guide for the Use of the SI, Appendix B.8: Factors for Units Listed Alphabetically (page updated August 18, 2025).
National Institute of Standards and Technology. Edition or effective date: . Text in force when checked on .
- NIST Handbook 44 (2026), Appendix C
NIST Handbook 44-2026, Appendix C: General Tables of Units of Measurement.
National Institute of Standards and Technology. Edition or effective date: . Text in force when checked on .
- 21 CFR 101.9(b)(5)(viii)
Code of Federal Regulations, Title 21, § 101.9(b)(5)(viii): household measures for nutrition labeling (text in force when checked).
U.S. Food and Drug Administration. Text in force when checked on .
This is a calculation aid, not an official measurement service. Results are rounded to 6 significant digits for display. For trade, engineering, medical dosing or legal documents, confirm the figure in the official source. Nothing you type leaves your browser.