0.21 Milliliters to Cups

0.21 mL ≈ 0.00088762 cup

Calculation: cup = 0.21 mL × 0.00422675 ≈ 0.00088762 cup

Milliliter to Cup Converter

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How much is 0.21 mL?

0.21 mL (0.01 fl oz) is about a single drop from a medicine dropper.

What does 0.21 mL look like?

Illustration of a medicine dropper
0.21 mL (0.01 fl oz) is about a single drop from a medicine dropper.

0.21 mL on the cup scale

mL00.10.20.30.40.5cup00.00050.0010.00150.002

0.21 mL = 0.0008876 cup

How to Convert Milliliter to Cup

1 milliliter = 0.00422675 cups

Cup = Milliliter × 0.00422675

Example: 0.21 mL × 0.00422675 = 0.00088762 cup

Reverse Conversion

To convert cups back to milliliters:

  • Remember, 1 cup equals 236.588 milliliters.
  • To convert 0.00088762 cup to mL, multiply 0.00088762 x 236.588, resulting in 0.21 mL.

0.21 mL is also equal to:

  • 0.00021 liter
  • 0.00044381 pint
  • 0.0002219 quart
  • 0.0071009 ounce

Frequently Asked Questions

How much is 0.21 milliliters in cups?

0.21 milliliters equals 0.00088762 cups. This is calculated by multiplying 0.21 by the conversion factor 0.00422675.

What does 0.21 milliliters look like in cups?

0.21 milliliters (0.00088762 cups) is a teaspoon or a small medicine dose.

How do you calculate 0.21 milliliters to cups?

Multiply 0.21 by the conversion factor 0.00422675. The calculation is 0.21 × 0.00422675 = 0.00088762 cups. This factor is defined by international measurement standards.

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0.21 milliliters = 0.000887618 cups
0.21 milliliters = 0.000887618 cups — conversion chart

Nearby Conversions

0.01 milliliters4.227 × 10⁻⁵ cups 0.11 milliliters0.0004649 cups 0.31 milliliters0.00131 cups 0.41 milliliters0.001733 cups 0.51 milliliters0.002156 cups 0.61 milliliters0.002578 cups 0.71 milliliters0.003001 cups 0.81 milliliters0.003424 cups 0.91 milliliters0.003846 cups 1.01 milliliters0.004269 cups 1.11 milliliters0.004692 cups 1.21 milliliters0.005114 cups

For general conversions between milliliters and cups, see the milliliters to cups converter.

Also convert Milliliters to:

Conversion factors verified against NIST, BIPM, ISO 80000-3 1 US gallon = 3.785411784 L (exact, US customary). Last reviewed: March 2026
Adilson Fernandes By Adilson Fernandes
Tiago Fernandes Reviewed by Tiago Fernandes

All unit conversions on CoolConversion use conversion factors defined or documented by internationally recognised standards bodies (such as ISO and NIST), including both SI and non-SI units.