Scientific unit conversion

US teaspoons to US cups Converter

Convert us teaspoons to us cups instantly with the formula, worked examples, rounding guidance, and related volume conversions.

Converters

12

Units

85

Mode

Live

Result

0.0208333333333
cup / 1 tsp = 0.0208333333333333333333333333 cup
Volume Cubic meters to Liters Converter Volume Liters to US gallons Converter Volume US gallons to Liters Converter Volume US cups to Milliliters Converter

Pair-specific conversion guide

US teaspoon to US cup formula

Converting US teaspoons to US cups is straightforward: one teaspoon equals approximately 0.0208 cups. This conversion is useful in cooking and baking when scaling recipes. For example, 5 teaspoons equal about 0.1042 cups, and 10 teaspoons equal about 0.2083 cups. Use the precise factor 0.0208333333333 for accurate results.

Formula model

1 tsp = 0.0208333333333 cup

1 US teaspoon equals

Quick factor: 1 tsp = 0.0208333333333 cup.

For quick mental math, remember that 48 teaspoons make 1 cup, so divide the number of teaspoons by 48.

Use a digital scale for dry ingredients to avoid volume measurement errors, as teaspoon and cup sizes can vary.

Check the measurement system for cooking units: US customary and imperial volumes are not always the same.

Precision and rounding

The calculation uses the catalog's fixed conversion factors between tsp and cup. Full decimal precision is kept for the calculation; only the displayed value is rounded for readability.

Reference: NIST conversion factors

Volume

Popular conversions

Conversion table

1 US teaspoon equals

Unit Value
Liter L 0.00492892159375
Milliliter mL 4.92892159375
Cubic meter m3 4.92892159375E-06
US tablespoon tbsp 0.333333333333
US fluid ounce fl oz 0.166666666667
US cup cup 0.0208333333333
US pint pt 0.0104166666667
US quart qt 0.00520833333333
US gallon gal 0.00130208333333

FAQ

US teaspoon to US cup questions

How many US teaspoons are in one US cup?

There are 48 US teaspoons in one US cup, since 1 cup equals 48 teaspoons.

Is the conversion factor 0.0208333333333 exact?

Yes, the factor 0.0208333333333 is derived from 1/48, which is an exact decimal representation of the fraction 1/48.