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 1.5 teaspoons into fluid ounces we have to multiply 1.5 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

1.5 tsp → V_{(fl oz)}

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

V_{(fl oz)} = 1.5 tsp × 0.16666666666655 fl oz

V_{(fl oz)} = 0.24999999999983 fl oz

The final result is:

1.5 tsp → 0.24999999999983 fl oz

We conclude that 1.5 teaspoons is equivalent to 0.24999999999983 fluid ounces:

1.5 teaspoons = 0.24999999999983 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 4.0000000000027 × 1.5 teaspoons.

Another way is saying that 1.5 teaspoons is equal to 1 ÷ 4.0000000000027 fluid ounces.

Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that one point five teaspoons is approximately zero point two five fluid ounces:

1.5 tsp ≅ 0.25 fl oz

An alternative is also that one fluid ounce is approximately four times one point five 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