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Unit Converter

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 18 pounds into kilograms we have to multiply 18 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

18 lb → M(kg)

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

M(kg) = 18 lb × 0.45359237 kg

M(kg) = 8.16466266 kg

The final result is:

18 lb → 8.16466266 kg

We conclude that 18 pounds is equivalent to 8.16466266 kilograms:

18 pounds = 8.16466266 kilograms

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 kilogram is equal to 0.12247903454715 × 18 pounds.

Another way is saying that 18 pounds is equal to 1 ÷ 0.12247903454715 kilograms.

Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that eighteen pounds is approximately eight point one six five kilograms:

18 lb ≅ 8.165 kg

An alternative is also that one kilogram is approximately zero point one two two times eighteen 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)
19 pounds 8.618 kilograms
20 pounds 9.072 kilograms
21 pounds 9.525 kilograms
22 pounds 9.979 kilograms
23 pounds 10.433 kilograms
24 pounds 10.886 kilograms
25 pounds 11.34 kilograms
26 pounds 11.793 kilograms
27 pounds 12.247 kilograms
28 pounds 12.701 kilograms