## Conversion formula

The conversion factor from fluid ounces to teaspoons is 6.0000000000041, which means that 1 fluid ounce is equal to 6.0000000000041 teaspoons:

1 fl oz = 6.0000000000041 tsp

To convert 4.2 fluid ounces into teaspoons we have to multiply 4.2 by the conversion factor in order to get the volume amount from fluid ounces to teaspoons. We can also form a simple proportion to calculate the result:

1 fl oz → 6.0000000000041 tsp

4.2 fl oz → V(tsp)

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

V(tsp) = 4.2 fl oz × 6.0000000000041 tsp

V(tsp) = 25.200000000017 tsp

The final result is:

4.2 fl oz → 25.200000000017 tsp

We conclude that 4.2 fluid ounces is equivalent to 25.200000000017 teaspoons:

4.2 fluid ounces = 25.200000000017 teaspoons

## Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 teaspoon is equal to 0.039682539682513 × 4.2 fluid ounces.

Another way is saying that 4.2 fluid ounces is equal to 1 ÷ 0.039682539682513 teaspoons.

## Approximate result

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

4.2 fl oz ≅ 25.2 tsp

An alternative is also that one teaspoon is approximately zero point zero four times four point two fluid ounces.

## Conversion table

### fluid ounces to teaspoons chart

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

fluid ounces (fl oz) teaspoons (tsp)
5.2 fluid ounces 31.2 teaspoons
6.2 fluid ounces 37.2 teaspoons
7.2 fluid ounces 43.2 teaspoons
8.2 fluid ounces 49.2 teaspoons
9.2 fluid ounces 55.2 teaspoons
10.2 fluid ounces 61.2 teaspoons
11.2 fluid ounces 67.2 teaspoons
12.2 fluid ounces 73.2 teaspoons
13.2 fluid ounces 79.2 teaspoons
14.2 fluid ounces 85.2 teaspoons