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 489.9 teaspoons into cups we have to multiply 489.9 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

489.9 tsp → V_(cup)

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

V_(cup) = 489.9 tsp × 0.020833333333319 cup

V_(cup) = 10.206249999993 cup

The final result is:

489.9 tsp → 10.206249999993 cup

We conclude that 489.9 teaspoons is equivalent to 10.206249999993 cups:

489.9 teaspoons = 10.206249999993 cups

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 cup is equal to 0.097979179424439 × 489.9 teaspoons.

Another way is saying that 489.9 teaspoons is equal to 1 ÷ 0.097979179424439 cups.

Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that four hundred eighty-nine point nine teaspoons is approximately ten point two zero six cups:

489.9 tsp ≅ 10.206 cup

An alternative is also that one cup is approximately zero point zero nine eight times four hundred eighty-nine point nine 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