Milliliter is 0.001 liter units.
Milliliters to Cups Converter — mL to cup
Convert Milliliter (mL) to Cup (cup) using the exact conversion factor (1 milliliter = 0.0042267528 cup). See the formula, worked examples, conversion table, unit comparison, history, and common uses.
Milliliters to Cups converter
Converter
Volume Converter
Convert metric, US customary, imperial, cooking, dry, and industrial volume units.
Context values
Some unit families need one extra value for a physically accurate result.
A US customary cup is 236.5882365 milliliters.
Result = input x 1e-6 / 0.0002365882365.
Volume uses the cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Milliliters to Cups
Milliliter and Cup appear side by side at fuel pumps and on beverage labels, since the US measures liquids in gallons while most of the world uses liters. Milliliter is typically associated with standard small-volume unit worldwide, while Cup is typically associated with united States (recipes and cooking measurement).
Formula
cups = milliliters × 0.00422675283773
This factor comes from each unit's defined relationship to the category's base unit: 1 milliliter equals 0.000001 base units, and 1 cup equals 0.0002365882365 base units, so dividing one by the other gives the direct milliliter-to-cup factor of 0.00422675283773.
Simple example
1 mL × 0.004226752838 = 0.0042267528 cup
1 milliliter = 0.0042267528 cups.
Real-world example
10 mL × 0.004226752838 = 0.0422675284 cup
10 milliliters = 0.0422675284 cups.
Conversion table
| Milliliter (mL) | Cup (cup) |
|---|---|
| 1 mL | 0.0042267528 cup |
| 5 mL | 0.0211337642 cup |
| 10 mL | 0.0422675284 cup |
| 25 mL | 0.1056688209 cup |
| 50 mL | 0.2113376419 cup |
| 100 mL | 0.4226752838 cup |
Reverse conversion: Cup to Milliliter
0.0042267528 cup × 236.5882365 = 0.9999999911 mL
0.0042267528 cups = 0.9999999911 milliliters.
milliliters = cups × 236.5882365
For a page dedicated to this direction, see Cup to Milliliter.
Milliliter vs. Cup
| Aspect | Milliliter | Cup |
|---|---|---|
| Family | SI derived (metric prefix) unit | US customary unit (culinary) |
| Typical use | Medicine dosing (worldwide, including in the US) | US recipe and cooking measurement |
| Where it's used | Standard small-volume unit worldwide | United States (recipes and cooking measurement) |
Understanding the Milliliter
Milliliter (mL) measures volume. A milliliter is one-thousandth of a liter, equal to one cubic centimeter. It is classified as a SI derived (metric prefix) unit.
Where it's used: Standard small-volume unit worldwide
Uses of the Milliliter today
- Medicine dosing (worldwide, including in the US)
- Cooking and recipe measurement outside the US
- Beverage and small-container labeling
History of the Milliliter
The milliliter follows directly from the liter via the 'milli-' SI prefix. It is notable as one of the few metric units in routine US use, since medicine dosing (syringes, liquid medication) is specified in milliliters even in the US.
Historical origin. Milliliter was not the invention of a single named person; it developed through the process described above.
Understanding the Cup
Cup (cup) measures volume. The US customary cup used in cooking is defined as exactly 240 milliliters (a rounded culinary standard, not the older 236.588 mL legal cup). It is classified as a US customary unit (culinary).
Where it's used: United States (recipes and cooking measurement)
Cooking cup vs. legal US cup. US recipes commonly round the cup to 240 mL for convenience, while the precise legal US cup (used to derive fluid ounces, pints, etc.) is 236.588 mL — a small but sometimes noticeable difference in precise baking.
Uses of the Cup today
- US recipe and cooking measurement
- Nutrition labeling serving sizes
- Baking, where volume-based flour/sugar measurement is still common in the US
History of the Cup
The cup as a cooking measure grew out of household and community cookbook conventions in 19th-century America, standardizing what had been ad hoc measurements ('a teacup of flour') into a fixed volume.
The US FDA uses a rounded 240 mL 'metric cup' for nutrition labeling purposes, distinct from the slightly smaller legal/customary cup (236.588 mL, exactly 1/16 of a US gallon) used elsewhere.
Historical origin. Cup was not the invention of a single named person; it developed through the process described above.
Milliliter — sources
- BIPM SI Brochure — SI prefixes — Defines 'milli-' as the prefix for 10⁻³.
Cup — sources
- US FDA — Reference Amounts Customarily Consumed — Uses the 240 mL rounded cup for nutrition labeling.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many cups are in 1 milliliter?
1 milliliter equals 0.0042267528 cups, using the exact defined conversion factor rather than an estimate.
How do I convert milliliter to cup?
Multiply the milliliter value by 0.004226752838. The converter above does this instantly to whatever precision you set.
How do I convert cup back to milliliter?
Use the reverse factor: 1 cup equals 236.5882365 milliliters. You can also use the swap control in the converter above to flip the direction instantly.
What is a milliliter?
Milliliter (mL) measures volume. A milliliter is one-thousandth of a liter, equal to one cubic centimeter. It is classified as a SI derived (metric prefix) unit.
What is a cup?
Cup (cup) measures volume. The US customary cup used in cooking is defined as exactly 240 milliliters (a rounded culinary standard, not the older 236.588 mL legal cup). It is classified as a US customary unit (culinary).
Is the milliliter to cup conversion exact?
Yes. The US customary cup used in cooking is defined as exactly 240 milliliters (a rounded culinary standard, not the older 236.588 mL legal cup). That fixed definition is what the converter above uses, so any rounding you see is a display choice, not a limitation of the math.
What is the difference between cooking cup vs. legal us cup?
US recipes commonly round the cup to 240 mL for convenience, while the precise legal US cup (used to derive fluid ounces, pints, etc.) is 236.588 mL — a small but sometimes noticeable difference in precise baking.
Where is the milliliter still used today?
Standard small-volume unit worldwide