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 1040 pounds into kilograms we have to multiply 1040 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

1040 lb → M_(kg)

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

M_(kg) = 1040 lb × 0.45359237 kg

M_(kg) = 471.7360648 kg

The final result is:

1040 lb → 471.7360648 kg

We conclude that 1040 pounds is equivalent to 471.7360648 kilograms:

1040 pounds = 471.7360648 kilograms

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 kilogram is equal to 0.0021198294440854 × 1040 pounds.

Another way is saying that 1040 pounds is equal to 1 ÷ 0.0021198294440854 kilograms.

Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that one thousand forty pounds is approximately four hundred seventy-one point seven three six kilograms:

1040 lb ≅ 471.736 kg

An alternative is also that one kilogram is approximately zero point zero zero two times one thousand forty 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