Conversion formula

The conversion factor from teaspoons to quarts is 0.0052083333333298, which means that 1 teaspoon is equal to 0.0052083333333298 quarts:

1 tsp = 0.0052083333333298 qt

To convert 640 teaspoons into quarts we have to multiply 640 by the conversion factor in order to get the volume amount from teaspoons to quarts. We can also form a simple proportion to calculate the result:

1 tsp → 0.0052083333333298 qt

640 tsp → V_(qt)

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

V_(qt) = 640 tsp × 0.0052083333333298 qt

V_(qt) = 3.3333333333311 qt

The final result is:

640 tsp → 3.3333333333311 qt

We conclude that 640 teaspoons is equivalent to 3.3333333333311 quarts:

640 teaspoons = 3.3333333333311 quarts

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 quart is equal to 0.3000000000002 × 640 teaspoons.

Another way is saying that 640 teaspoons is equal to 1 ÷ 0.3000000000002 quarts.

Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that six hundred forty teaspoons is approximately three point three three three quarts:

640 tsp ≅ 3.333 qt

An alternative is also that one quart is approximately zero point three times six hundred forty teaspoons.

Conversion table

teaspoons to quarts chart

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