Conversion formula

The conversion factor from tablespoons to teaspoons is 3.0000000000122, which means that 1 tablespoon is equal to 3.0000000000122 teaspoons:

1 tbsp = 3.0000000000122 tsp

To convert 490 tablespoons into teaspoons we have to multiply 490 by the conversion factor in order to get the volume amount from tablespoons to teaspoons. We can also form a simple proportion to calculate the result:

1 tbsp → 3.0000000000122 tsp

490 tbsp → V_(tsp)

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

V_(tsp) = 490 tbsp × 3.0000000000122 tsp

V_(tsp) = 1470.000000006 tsp

The final result is:

490 tbsp → 1470.000000006 tsp

We conclude that 490 tablespoons is equivalent to 1470.000000006 teaspoons:

490 tablespoons = 1470.000000006 teaspoons

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 teaspoon is equal to 0.00068027210884078 × 490 tablespoons.

Another way is saying that 490 tablespoons is equal to 1 ÷ 0.00068027210884078 teaspoons.

Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that four hundred ninety tablespoons is approximately one thousand four hundred seventy teaspoons:

490 tbsp ≅ 1470 tsp

An alternative is also that one teaspoon is approximately zero point zero zero one times four hundred ninety tablespoons.

Conversion table

tablespoons to teaspoons chart

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