15 Teaspoons to Cups

15 tsp = 0.3125 cup

Calculation: cup = 15 tsp × 0.0208333 = 0.3125 cup

Teaspoon 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 15 tsp?

74 mL (2.5 fl oz) is about a demitasse cup, often used for espresso or Turkish coffee.

What does 15 tsp look like?

Illustration of a demitasse cup
74 mL (2.5 fl oz) is about a demitasse cup, often used for espresso or Turkish coffee.

15 tsp on the cup scale

tsp05101520cup00.10.20.30.4

15 tsp = 0.3125 cup

How to Convert Teaspoon to Cup

1 Teaspoon = 0.0208333 cups

Cup = Teaspoon × 0.0208333

Example: 15 tsp × 0.0208333 = 516 cup

Reverse Conversion

To convert cups back to Teaspoons:

  • Remember, 1 cup equals 48 Teaspoons.
  • To convert 516 cup to tsp, multiply 516 x 48, resulting in 15 tsp.

15 tsp is also equal to:

  • 73.934 milliliter
  • 0.073934 liter
  • 532 pint
  • 0.078125 quart
  • 2 12 ounce

Frequently Asked Questions

How much is 15 Teaspoons in cups?

15 Teaspoons equals 0.3125 cups. This is calculated by multiplying 15 by the conversion factor 0.0208333.

What does 15 Teaspoons look like in cups?

15 Teaspoons (0.3125 cups) is several tablespoons to a cup.

How do you calculate 15 Teaspoons to cups?

Multiply 15 by the conversion factor 0.0208333. The calculation is 15 × 0.0208333 = 0.3125 cups. This factor is defined by international measurement standards.

Share This Calculation

15 Teaspoons = 0.3125 cups
15 Teaspoons = 0.3125 cups — conversion chart

Nearby Conversions

6 Teaspoons0.125 cups 8 Teaspoons0.1667 cups 10 Teaspoons0.2083 cups 12 Teaspoons0.25 cups 18 Teaspoons0.375 cups 24 Teaspoons0.5 cups

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

Also convert Teaspoons 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.