milliliter → US cup | Converter

Convert milliliter to US cup with the formula below. 1 mL ≈ 0.00422675283773 cup

Quick Insight

1 milliliter = 0.00422675 US cup

250 mL ≈ 1.05669 US cups; 500 mL ≈ 2.11338 US cups.

💡 Tip: Check the cup definition before measuring.

Recipe quantitiesLiquid volume

Quick Values:

From

0.00422675283773

Formula: cup ≈ mL × 0.00422675283773

Rounded factors

Relative rounding difference; not measurement uncertainty.

0.0042

2 significant digitsΔ 0.63%

0.00422675

6 significant digitsΔ 0.000067%

0.00422675283773

12 significant digitsΔ 8.9e-12%

Visual Comparisons

◫

0.1 mL → 0.0004226752838 cup

◫

0.5 mL → 0.002113376419 cup

◫

1 mL → 0.004226752838 cup

◫

2 mL → 0.008453505675 cup

◫

5 mL → 0.02113376419 cup

Mathematical Facts

📐Conversion formula: cup ≈ mL × 0.00422675283773

🔄Reverse conversion: mL ≈ cup × 236.5882365

Convert milliliter to US cup with the formula below. cup ≈ mL × 0.00422675283773. 1 mL ≈ 0.001 L; 1 cup ≈ 0.2365882365 L Cup means the US customary cup (236.5882365 mL), not a 250 mL metric cup, a 240 mL labeling cup or a household glass. US customary liquid measures are used. Use this conversion when a liquid quantity is given in milliliters and the recipe calls for US customary cups. A 250 mL metric cup and a household drinking glass are different measures; check the recipe before measuring.

Why This Conversion Matters

A recipe using 250 mL per cup needs a different volume from one using US customary cups. Keeping the cup definition explicit helps preserve the intended quantity when scaling a recipe. The calculator uses the full stored factor and rounds displayed results to 12 significant digits. Display precision is not a guarantee of measurement accuracy.

Real-World Examples

Recipe measurements

Compare liquid quantities without changing the cup definition midway through a recipe.

Examples:

250 mL ≈ 1.05669 US cups.
500 mL ≈ 2.11338 US cups.

Pro Tips:

✓For a recipe that explicitly defines a metric cup as 250 mL, 500 mL is 2 metric cups.

Quick Reference Table

milliliters	US cups
10 mL	0.0422675283773 cup
50 mL	0.211337641887 cup
100 mL	0.422675283773 cup
500 mL	2.11337641887 cup
1,000 mL	4.22675283773 cup

Formula: cup = mL × conversion factor

Common Mistakes to Avoid

Treating 240 mL as exactly one US customary cup

240 mL is about 1.442% more volume than 236.5882365 mL. The FDA’s 240 mL labeling cup is a separate convention.

✓ Use the definition specified by the recipe or label; this calculator uses the US customary cup.

Pro Tips

✓Check whether the recipe specifies US customary cups, 250 mL metric cups or another measure.
✓Measure liquid volume with a marked measuring vessel. A scale measures mass; converting grams to milliliters also requires the ingredient’s density.
✓Scale the total quantity first, then convert and round once to a practical measuring mark.

Sources and unit definitions

Frequently Asked Questions

How do I calculate the conversion?

cup ≈ mL × 0.00422675283773. 1 mL ≈ 0.001 L; 1 cup ≈ 0.2365882365 L Cup means the US customary cup (236.5882365 mL), not a 250 mL metric cup, a 240 mL labeling cup or a household glass. US customary liquid measures are used.

What is an example?

1 mL ≈ 0.00422675283773 cup; 10 mL ≈ 0.0422675283773 cup; 100 mL ≈ 0.422675283773 cup

Is a 250 mL metric cup the same as a US cup?

No. This calculator uses 236.5882365 mL per US customary cup. A recipe-defined 250 mL metric cup is larger, so 250 mL is approximately 1.05669 US cups.

Can I use a kitchen scale instead of a volume measure?

A scale measures mass. To turn grams into milliliters, you also need the ingredient’s density; do not assume every ingredient has the same grams-per-milliliter value.