Conversion formula

The conversion factor from teaspoons to cups is 0.020833333333319, which means that 1 teaspoon is equal to 0.020833333333319 cups:

1 tsp = 0.020833333333319 cup

To convert 4.2 teaspoons into cups we have to multiply 4.2 by the conversion factor in order to get the volume amount from teaspoons to cups. We can also form a simple proportion to calculate the result:

1 tsp → 0.020833333333319 cup

4.2 tsp → V_(cup)

Solve the above proportion to obtain the volume V in cups:

V_(cup) = 4.2 tsp × 0.020833333333319 cup

V_(cup) = 0.087499999999941 cup

The final result is:

4.2 tsp → 0.087499999999941 cup

We conclude that 4.2 teaspoons is equivalent to 0.087499999999941 cups:

4.2 teaspoons = 0.087499999999941 cups

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 cup is equal to 11.428571428579 × 4.2 teaspoons.

Another way is saying that 4.2 teaspoons is equal to 1 ÷ 11.428571428579 cups.

Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that four point two teaspoons is approximately zero point zero eight seven cups:

4.2 tsp ≅ 0.087 cup

An alternative is also that one cup is approximately eleven point four two nine times four point two teaspoons.

Conversion table

teaspoons to cups chart

For quick reference purposes, below is the conversion table you can use to convert from teaspoons to cups