1 Teaspoon to Cups

1 tsp ≈ 0.020833 cup

Calculation: cup = 1 tsp × 0.0208333 ≈ 0.020833 cup

Teaspoon to Cup Converter

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How much is 1 tsp?

4.9 mL (0.17 fl oz) is about one metric teaspoon, a standard small medicine dose.

What does 1 tsp look like?

Illustration of a medicine dropper (teaspoon volume)
4.9 mL (0.17 fl oz) is about one metric teaspoon, a standard small medicine dose.

1 tsp on the cup scale

tsp00.511.52cup00.010.020.030.04

1 tsp = 0.0208 cup

Did you know? One teaspoon is 5 mL.

The metric teaspoon is exactly 5 mL. The US customary teaspoon is 4.93 mL — close enough for cooking.

How to Convert Teaspoon to Cup

1 Teaspoon = 0.0208333 cups

Cup = Teaspoon × 0.0208333

Example: 1 tsp × 0.0208333 = 0.020833 cup

Reverse Conversion

To convert cups back to Teaspoons:

  • Remember, 1 cup equals 48 Teaspoons.
  • To convert 0.020833 cup to tsp, multiply 0.020833 x 48, resulting in 1 tsp.

1 tsp is also equal to:

Frequently Asked Questions

How much is 1 Teaspoon in cups?

1 Teaspoon equals 0.020833 cups. This is calculated by multiplying 1 by the conversion factor 0.0208333.

What does 1 Teaspoon look like in cups?

1 Teaspoon (0.020833 cups) is one to three teaspoons — a tablespoon worth.

How do you calculate 1 Teaspoon to cups?

Multiply 1 by the conversion factor 0.0208333. The calculation is 1 × 0.0208333 = 0.020833 cups. This factor is defined by international measurement standards.

Share This Calculation

1 Teaspoon = 0.0208333 cups
1 Teaspoon = 0.0208333 cups — conversion chart

Nearby Conversions

0.125 Teaspoons0.002604 cups 0.25 Teaspoons0.005208 cups 0.5 Teaspoons0.01042 cups 0.75 Teaspoons0.01563 cups 1.25 Teaspoons0.02604 cups 1.5 Teaspoons0.03125 cups 2 Teaspoons0.04167 cups 2.5 Teaspoons0.05208 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.