21 Cubic Centimeters to Cups

21 cm³ ≈ 0.088762 cup

Calculation: cup = 21 cm³ × 0.00422675 ≈ 0.088762 cup

Cubic Centimeter to Cup Converter

Choose the type of measurement to convert
Select the source unit to convert from
Select the target unit to convert to
Enter a numeric value or fraction to convert
Sig. Figures:

How much is 21 cm³?

21 mL (0.71 fl oz) is about one US fluid ounce (29.6 mL), about two tablespoons.

What does 21 cm³ look like?

Illustration of a small measuring cup
21 mL (0.71 fl oz) is about one US fluid ounce (29.6 mL), about two tablespoons.

21 cm³ on the cup scale

cm³01020304050cup00.050.10.150.2

21 cm³ = 0.0888 cup

How to Convert Cubic Centimeter to Cup

1 cubic centimeter = 0.00422675 cups

Cup = Cubic Centimeter × 0.00422675

Example: 21 cm³ × 0.00422675 = 0.088762 cup

Reverse Conversion

To convert cups back to cubic centimeters:

  • Remember, 1 cup equals 236.588 cubic centimeters.
  • To convert 0.088762 cup to cm³, multiply 0.088762 x 236.588, resulting in 21 cm³.

21 cm³ is also equal to:

  • 21 milliliter
  • 0.021 liter
  • 0.044381 pint
  • 0.02219 quart
  • 0.71009 ounce

Frequently Asked Questions

How much is 21 cubic centimeters in cups?

21 cubic centimeters equals 0.088762 cups. This is calculated by multiplying 21 by the conversion factor 0.00422675.

What does 21 cubic centimeters look like in cups?

21 cubic centimeters equals 0.088762 cups, a conversion commonly needed in cooking recipes, liquid measurements, and container sizing.

How do you calculate 21 cubic centimeters to cups?

Multiply 21 by the conversion factor 0.00422675. The calculation is 21 × 0.00422675 = 0.088762 cups. This factor is defined by international measurement standards.

Share This Calculation

21 cubic centimeters = 0.0887618 cups
21 cubic centimeters = 0.0887618 cups — conversion chart

Nearby Conversions

11 cubic centimeters0.04649 cups 12 cubic centimeters0.05072 cups 13 cubic centimeters0.05495 cups 14 cubic centimeters0.05917 cups 15 cubic centimeters0.0634 cups 16 cubic centimeters0.06763 cups 17 cubic centimeters0.07185 cups 18 cubic centimeters0.07608 cups 19 cubic centimeters0.08031 cups 20 cubic centimeters0.08454 cups 22 cubic centimeters0.09299 cups 23 cubic centimeters0.09722 cups 24 cubic centimeters0.1014 cups 25 cubic centimeters0.1057 cups 26 cubic centimeters0.1099 cups 27 cubic centimeters0.1141 cups 28 cubic centimeters0.1183 cups 29 cubic centimeters0.1226 cups 30 cubic centimeters0.1268 cups 31 cubic centimeters0.131 cups

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

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.