691 Milliliters to Cups

691 mL ≈ 2.9207 cup

Calculation: cup = 691 mL × 0.00422675 ≈ 2.9207 cup

Milliliter to Cup Converter

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How much is 691 mL?

691 mL (23 fl oz) is about a standard wine bottle (750 mL / 25.4 fl oz).

What does 691 mL look like?

Illustration of a wine bottle
691 mL (23 fl oz) is about a standard wine bottle (750 mL / 25.4 fl oz).

691 mL on the cup scale

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691.0 mL = 2.921 cup

Did you know? Wine bottle is 750 mL.

The standard wine bottle is 750 mL (25.4 fl oz), roughly equivalent to 5 glasses of wine.

How to Convert Milliliter to Cup

1 milliliter = 0.00422675 cups

Cup = Milliliter × 0.00422675

Example: 691 mL × 0.00422675 = 2.9207 cup

Reverse Conversion

To convert cups back to milliliters:

  • Remember, 1 cup equals 236.588 milliliters.
  • To convert 2.9207 cup to mL, multiply 2.9207 x 236.588, resulting in 691 mL.

691 mL is also equal to:

  • 0.691 liter
  • 1.4603 pint
  • 0.73017 quart
  • 23.365 ounce

Frequently Asked Questions

How much is 691 milliliters in cups?

691 milliliters equals 2.9207 cups. This is calculated by multiplying 691 by the conversion factor 0.00422675.

What does 691 milliliters look like in cups?

691 milliliters (2.9207 cups) is a standard water bottle or a pint.

How do you calculate 691 milliliters to cups?

Multiply 691 by the conversion factor 0.00422675. The calculation is 691 × 0.00422675 = 2.9207 cups. This factor is defined by international measurement standards.

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691 milliliters = 2.92069 cups
691 milliliters = 2.92069 cups — conversion chart

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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.