HomeUnit Conversion › Milliliters to US cups

Milliliters to US cups (mL to cup)

Convert milliliters to US cups: 1 mL = 0.00422675 cup. Exact conversion factor, formula, 22-row table and worked examples, with JSON API and MCP access.

Formula

1 mL = 0.00422675 cup

US cups = milliliters × 0.004226752838 — reverse: milliliters = US cups × 236.5882365

The factor is derived from the SI definitions of both units (base unit: L) as listed in NIST SP 811; results on this page are shown to 6 significant figures, the API returns up to 12.

Worked examples

Milliliters to US cups conversion table

Milliliters (mL)US cups (cup)
10.00422675
20.00845351
30.0126803
40.016907
50.0211338
60.0253605
70.0295873
80.033814
90.0380408
100.0422675
150.0634013
200.0845351
250.105669
300.126803
400.16907
500.211338
750.317006
1000.422675
2000.845351
2501.05669
5002.11338
10004.22675

FAQ

How many US cups are in one milliliter?

1 mL = 0.00422675 cup. The factor comes from the SI definitions of both units (NIST SP 811 / BIPM), so it is exact or correct to at least 10 significant figures.

What is the formula to convert milliliters to US cups?

Multiply the value in milliliters by 0.004226752838: US cups = milliliters × 0.004226752838. For example, 5 mL = 0.0211338 cup.

How do I convert US cups back to milliliters?

Multiply by the inverse factor 236.5882365 (milliliters = US cups × 236.5882365), or use the US cups-to-milliliters page.

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