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 840 teaspoons into cups we have to multiply 840 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

840 tsp → V_(cup)

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

V_(cup) = 840 tsp × 0.020833333333319 cup

V_(cup) = 17.499999999988 cup

The final result is:

840 tsp → 17.499999999988 cup

We conclude that 840 teaspoons is equivalent to 17.499999999988 cups:

840 teaspoons = 17.499999999988 cups

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 cup is equal to 0.057142857142896 × 840 teaspoons.

Another way is saying that 840 teaspoons is equal to 1 ÷ 0.057142857142896 cups.

Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that eight hundred forty teaspoons is approximately seventeen point five cups:

840 tsp ≅ 17.5 cup

An alternative is also that one cup is approximately zero point zero five seven times eight hundred forty 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