Conversion

US Teaspoons to US Cups Converter

1 US teaspoon = 0.02083333333 cup. Enter any value to convert US teaspoons (tsp) to US cups (cup), or use the table below for common values.

Results

1 tsp =0.02083333333 cupUS teaspoons → US cups
1 tsp0.02083333333 cup
1 cup48 tsp
Formula
cup = tsp × 0.02083333333
1 tsp in other units
1 tsp in other units
UnitValue
milliliters (mL)4.928921594
liters (L)0.004928921594
cubic meters (m³)0.000004928921594
US tablespoons (tbsp)0.3333333333
US fluid ounces (fl oz)0.1666666667
US cups (cup)0.02083333333
US pints (pt)0.01041666667
US quarts (qt)0.005208333333
US gallons (gal)0.001302083333

Formula

cup = tsp × 0.02083333333

Example: 10 tsp = 0.2083333333 cup. To convert the other way, use tsp = cup × 48.

Quick mental estimate: multiply by about 0.021.

US Teaspoons to US Cups conversion table

US Teaspoons (tsp)US Cups (cup)
1 tsp0.02083333333 cup
2 tsp0.04166666667 cup
3 tsp0.0625 cup
4 tsp0.08333333333 cup
5 tsp0.1041666667 cup
6 tsp0.125 cup
7 tsp0.1458333333 cup
8 tsp0.1666666667 cup
9 tsp0.1875 cup
10 tsp0.2083333333 cup
15 tsp0.3125 cup
20 tsp0.4166666667 cup
25 tsp0.5208333333 cup
30 tsp0.625 cup
40 tsp0.8333333333 cup
50 tsp1.041666667 cup
75 tsp1.5625 cup
100 tsp2.083333333 cup
250 tsp5.208333333 cup
500 tsp10.41666667 cup
1,000 tsp20.83333333 cup

About US teaspoons and US cups

The US teaspoon is 1/3 of a US tablespoon, about 4.93 mL. Recipes often round it to 5 mL.

The US customary cup is 8 US fluid ounces, about 236.6 mL. Nutrition labels use a rounded "legal cup" of 240 mL.

Other Volume conversions

Frequently asked questions

How do I convert US teaspoons to US cups?

Use the formula cup = tsp × 0.02083333333. For example, 10 tsp = 0.2083333333 cup.

What is 1 US teaspoon in US cups?

1 tsp = 0.02083333333 cup.

How do I convert US cups back to US teaspoons?

Use tsp = cup × 48. 1 cup = 48 tsp.