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 1 pound into kilograms we have to multiply 1 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

1 lb → M_(kg)

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

M_(kg) = 1 lb × 0.45359237 kg

M_(kg) = 0.45359237 kg

The final result is:

1 lb → 0.45359237 kg

We conclude that 1 pound is equivalent to 0.45359237 kilograms:

1 pound = 0.45359237 kilograms

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 kilogram is equal to 2.2046226218488 × 1 pound.

Another way is saying that 1 pound is equal to 1 ÷ 2.2046226218488 kilograms.

Approximate result

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

1 lb ≅ 0.454 kg

An alternative is also that one kilogram is approximately two point two zero five times one pound.

Conversion table

pounds to kilograms chart

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