## Conversion formula

The conversion factor from ounces to kilograms is 0.028349523125, which means that 1 ounce is equal to 0.028349523125 kilograms:

1 oz = 0.028349523125 kg

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

1 oz → 0.028349523125 kg

4.2 oz → M(kg)

Solve the above proportion to obtain the mass M in kilograms:

M(kg) = 4.2 oz × 0.028349523125 kg

M(kg) = 0.119067997125 kg

The final result is:

4.2 oz → 0.119067997125 kg

We conclude that 4.2 ounces is equivalent to 0.119067997125 kilograms:

4.2 ounces = 0.119067997125 kilograms

## Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 kilogram is equal to 8.3985623689477 × 4.2 ounces.

Another way is saying that 4.2 ounces is equal to 1 ÷ 8.3985623689477 kilograms.

## Approximate result

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

4.2 oz ≅ 0.119 kg

An alternative is also that one kilogram is approximately eight point three nine nine times four point two ounces.

## Conversion table

### ounces to kilograms chart

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

ounces (oz) kilograms (kg)
5.2 ounces 0.147 kilograms
6.2 ounces 0.176 kilograms
7.2 ounces 0.204 kilograms
8.2 ounces 0.232 kilograms
9.2 ounces 0.261 kilograms
10.2 ounces 0.289 kilograms
11.2 ounces 0.318 kilograms
12.2 ounces 0.346 kilograms
13.2 ounces 0.374 kilograms
14.2 ounces 0.403 kilograms