1.51 Ounces to Cups

1.51 fl oz = 0.18875 cup

Calculation: cup = 1.51 fl oz × 0.125 = 0.18875 cup

Ounce to Cup Converter

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How much is 1.51 fl oz?

45 mL (1.5 fl oz) is about a demitasse cup, often used for espresso or Turkish coffee.

What does 1.51 fl oz look like?

Illustration of a demitasse cup
45 mL (1.5 fl oz) is about a demitasse cup, often used for espresso or Turkish coffee.

1.51 fl oz on the cup scale

fl oz00.511.52cup00.050.10.150.20.25

1.51 fl oz = 0.1888 cup

Did you know? Standard US shot glass is 44 mL.

A US standard shot is 1.5 fl oz (44.3 mL). In the UK, a single shot is 25 mL; a double is 50 mL.

How to Convert Ounce to Cup

1 ounce = 18 cups

Cup = Ounce × 18

Example: 1.51 fl oz × 18 = 0.18875 cup

Reverse Conversion

To convert cups back to ounces:

  • Remember, 1 cup equals 8 ounces.
  • To convert 0.18875 cup to fl oz, multiply 0.18875 x 8, resulting in 1.51 fl oz.

1.51 fl oz is also equal to:

  • 44.656 milliliter
  • 0.044656 liter
  • 0.094375 pint
  • 0.047188 quart

Frequently Asked Questions

How much is 1.51 ounces in cups?

1.51 ounces equals 0.18875 cups. This is calculated by multiplying 1.51 by the conversion factor 0.125.

What does 1.51 ounces look like in cups?

1.51 ounces (0.18875 cups) is a shot glass or a few tablespoons.

How do you calculate 1.51 ounces to cups?

Multiply 1.51 by the conversion factor 0.125. The calculation is 1.51 × 0.125 = 0.18875 cups. This factor is defined by international measurement standards.

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1.51 ounces = 0.18875 cups
1.51 ounces = 0.18875 cups — conversion chart

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

Also convert Ounces 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.