Conversion formula

The conversion factor from teaspoons to liters is 0.00492892161458, which means that 1 teaspoon is equal to 0.00492892161458 liters:

1 tsp = 0.00492892161458 L

To convert 138.9 teaspoons into liters we have to multiply 138.9 by the conversion factor in order to get the volume amount from teaspoons to liters. We can also form a simple proportion to calculate the result:

1 tsp → 0.00492892161458 L

138.9 tsp → V_(L)

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

V_(L) = 138.9 tsp × 0.00492892161458 L

V_(L) = 0.68462721226516 L

The final result is:

138.9 tsp → 0.68462721226516 L

We conclude that 138.9 teaspoons is equivalent to 0.68462721226516 liters:

138.9 teaspoons = 0.68462721226516 liters

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 liter is equal to 1.4606489226325 × 138.9 teaspoons.

Another way is saying that 138.9 teaspoons is equal to 1 ÷ 1.4606489226325 liters.

Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that one hundred thirty-eight point nine teaspoons is approximately zero point six eight five liters:

138.9 tsp ≅ 0.685 L

An alternative is also that one liter is approximately one point four six one times one hundred thirty-eight point nine teaspoons.

Conversion table

teaspoons to liters chart

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