In 1 kilograms there are 2.204623 pounds. Meanwhile in 1 pounds there are 0.453592 kilograms. Keep reading to learn more about each unit of measure and how they are calculated. Or just use the Pounds to Kilograms calculator above to convert any number.
* Values rounded to 6 decimal places for readability
To convert kilograms (kg) to pounds (lb), use this rule:
For a fast mental conversion, use 2.2:
Tip: Round your final answer to the level of precision you need (whole pounds, 1 decimal, or more).
1 kilogram equals 2.2046226218 pounds.
A quick rule: 1 kg is about 2.2 lb.
Use this formula: pounds = kilograms × 2.2046226218.
Example: 10 kg × 2.2046226218 = 22.046 lb.
Use the 2.2 rule: pounds ≈ kilograms × 2.2.
Example: 70 kg ≈ 154 lb (70 × 2.2 = 154).
1 kg = 2.2046 lb (rounded to 4 decimals).
If you need a simple estimate: about 2.2 lb.
2 kg = 4.4092 lb.
Estimated: about 4.4 lb.
5 kg = 11.0231 lb.
Estimated: about 11 lb.
10 kg = 22.0462 lb.
Estimated: about 22 lb.
20 kg = 44.0925 lb.
Estimated: about 44 lb.
50 kg = 110.2311 lb.
Estimated: about 110 lb.
70 kg = 154.3236 lb.
Estimated: about 154 lb.
100 kg = 220.4623 lb.
Estimated: about 220 lb.
Use this formula: kilograms = pounds ÷ 2.2046226218.
Example: 180 lb ÷ 2.2046226218 = 81.6466 kg.
A pound is defined as 0.45359237 kilograms.
So, 1 kg = 1 ÷ 0.45359237 = 2.2046226218 lb.
Round based on your use:
Kilograms (kg) are a metric unit of mass.
Pounds (lb) are used in the US customary system.
Both measure mass, but they use different size units.
In daily use, people say “weight” for both.
In science, kg measures mass, while weight depends on gravity. On Earth, the difference usually doesn’t matter for everyday use.
“lb” comes from the Latin word libra, linked to a Roman unit of weight. That’s why “lb” doesn’t match the letters in “pound.”
Here are quick reference values (rounded):
The Calculate Box tool to convert kilograms to pounds uses the open source script Convert.js to convert units of measurement. To use this tool, simply type a kilograms value in the box and have it instantly converted to pounds.