## Conversion formula

The conversion factor from pounds to kilograms is 0.45359237, which means that 1 pound is equal to 0.45359237 kilograms:

1 lb = 0.45359237 kg

To convert 0.9 pounds into kilograms we have to multiply 0.9 by the conversion factor in order to get the mass amount from pounds to kilograms. We can also form a simple proportion to calculate the result:

1 lb → 0.45359237 kg

0.9 lb → M(kg)

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

M(kg) = 0.9 lb × 0.45359237 kg

M(kg) = 0.408233133 kg

The final result is:

0.9 lb → 0.408233133 kg

We conclude that 0.9 pounds is equivalent to 0.408233133 kilograms:

0.9 pounds = 0.408233133 kilograms

## Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 kilogram is equal to 2.4495806909431 × 0.9 pounds.

Another way is saying that 0.9 pounds is equal to 1 ÷ 2.4495806909431 kilograms.

## Approximate result

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

0.9 lb ≅ 0.408 kg

An alternative is also that one kilogram is approximately two point four five times zero point nine pounds.

## Conversion table

### pounds to kilograms chart

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

pounds (lb) kilograms (kg)
1.9 pounds 0.862 kilograms
2.9 pounds 1.315 kilograms
3.9 pounds 1.769 kilograms
4.9 pounds 2.223 kilograms
5.9 pounds 2.676 kilograms
6.9 pounds 3.13 kilograms
7.9 pounds 3.583 kilograms
8.9 pounds 4.037 kilograms
9.9 pounds 4.491 kilograms
10.9 pounds 4.944 kilograms