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 1490 tablespoons into teaspoons we have to multiply 1490 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

1490 tbsp → V_(tsp)

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

V_(tsp) = 1490 tbsp × 3.0000000000122 tsp

V_(tsp) = 4470.0000000181 tsp

The final result is:

1490 tbsp → 4470.0000000181 tsp

We conclude that 1490 tablespoons is equivalent to 4470.0000000181 teaspoons:

1490 tablespoons = 4470.0000000181 teaspoons

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 teaspoon is equal to 0.00022371364653153 × 1490 tablespoons.

Another way is saying that 1490 tablespoons is equal to 1 ÷ 0.00022371364653153 teaspoons.

Approximate result

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

1490 tbsp ≅ 4470 tsp

An alternative is also that one teaspoon is approximately zero times one thousand 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