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 390 teaspoons into fluid ounces we have to multiply 390 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

390 tsp → V_{(fl oz)}

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

V_{(fl oz)} = 390 tsp × 0.16666666666655 fl oz

V_{(fl oz)} = 64.999999999956 fl oz

The final result is:

390 tsp → 64.999999999956 fl oz

We conclude that 390 teaspoons is equivalent to 64.999999999956 fluid ounces:

390 teaspoons = 64.999999999956 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 0.015384615384626 × 390 teaspoons.

Another way is saying that 390 teaspoons is equal to 1 ÷ 0.015384615384626 fluid ounces.

Approximate result

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

390 tsp ≅ 65 fl oz

An alternative is also that one fluid ounce is approximately zero point zero one five times three hundred 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