Conversion formula

The conversion factor from teaspoons to fluid ounces is 0.16666666666655, which means that 1 teaspoon is equal to 0.16666666666655 fluid ounces:

1 tsp = 0.16666666666655 fl oz

To convert 90 teaspoons into fluid ounces we have to multiply 90 by the conversion factor in order to get the volume amount from teaspoons to fluid ounces. We can also form a simple proportion to calculate the result:

1 tsp → 0.16666666666655 fl oz

90 tsp → V_{(fl oz)}

Solve the above proportion to obtain the volume V in fluid ounces:

V_{(fl oz)} = 90 tsp × 0.16666666666655 fl oz

V_{(fl oz)} = 14.99999999999 fl oz

The final result is:

90 tsp → 14.99999999999 fl oz

We conclude that 90 teaspoons is equivalent to 14.99999999999 fluid ounces:

90 teaspoons = 14.99999999999 fluid ounces

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 fluid ounce is equal to 0.066666666666712 × 90 teaspoons.

Another way is saying that 90 teaspoons is equal to 1 ÷ 0.066666666666712 fluid ounces.

Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that ninety teaspoons is approximately fifteen fluid ounces:

90 tsp ≅ 15 fl oz

An alternative is also that one fluid ounce is approximately zero point zero six seven times ninety teaspoons.

Conversion table

teaspoons to fluid ounces chart

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