Pounds (lb) to Kilograms (kg) calculator

Input the amount of pounds you want to convert to kilograms in the below input field, and then click in the "Convert" button. But if you want to convert from kilograms to pounds, please checkout this tool.


Formula used to convert lb to kg:

F(x) = x / 2.2046226218

For example, if you want to convert 15 lb to kg, just replace x by 15 [lb]:

15 lb = 15/2.2046226218 = 6.8038855501505315 kg


  1. Divide the amount of pounds by 2.2046226218.
  2. The result will be expressed in kilograms.

Pound to Kilogram Conversion Table

The following table will show the most common conversions for Pounds (lb) to Kilograms (kg):

Pounds (lb) Kilograms (kg)
0.001 lb 0.0004535924 kg
0.01 lb 0.0045359237 kg
0.1 lb 0.045359237 kg
1 lb 0.45359237 kg
2 lb 0.90718474 kg
3 lb 1.36077711 kg
4 lb 1.81436948 kg
5 lb 2.2679618501 kg
6 lb 2.7215542201 kg
7 lb 3.1751465901 kg
8 lb 3.6287389601 kg
9 lb 4.0823313301 kg
10 lb 4.5359237001 kg
20 lb 9.0718474002 kg
30 lb 13.6077711003 kg
40 lb 18.1436948004 kg
50 lb 22.6796185005 kg
60 lb 27.2155422006 kg
70 lb 31.7514659007 kg
80 lb 36.2873896008 kg
90 lb 40.8233133009 kg
100 lb 45.359237001 kg

About Pounds (lb)

The pound or pound-mass is a unit of mass. The most common definition today of a pound is the international avoirdupois pound, which is defined as exactly 0.45359237 kilograms. The symbol used to express pounds is lb.

An avoirdupois pound (traditional pound) is equal to 16 avoirdupois ounces and to exactly 7,000 grains. The conversion factor between the kilogram and the international pound was therefore chosen to be divisible by 7.

About Kilograms (kg)

A kilogram is a widely used unit of weight, defined on the International System of Units (SI). One kilogram is equal to 1000 grams. The symbol used to represent kilograms is kg.

The kilogram is used to measure almost everything, from food, materials such as wood, your weight, among others.

See also

FAQs for Pound to Kilogram calculator

What is Pound to Kilogram calculator?

Pound to Kilogram is a free and online calculator that converts Pounds to Kilograms.

How do I use Pound to Kilogram?

You just have to insert the amount of Pounds you want to convert and press the "Convert" button. The amount of Kilograms will be outputed in the input field below the button.

Which browsers are supported?

All mayor web browsers are supported, including Internet Explorer, Microsoft Edge, Firefox, Chrome, Safari and Opera.

Which devices does Pound to Kilogram work on?

Pound to Kilogram calculator works in any device that supports any of the browsers mentioned before. It can be a smartphone, desktop computer, notebook, tablet, etc.