What is LBS to KG? Definition, Conversion, Examples, Facts

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What Is lb to kg Conversion?

The lb to kg conversion is the conversion of weight measurement in pounds into its equivalent value in kilograms. 

A pound (abbreviated as lb) is a unit of measuring weight or mass in the customary system. A kilogram (kg) is an SI unit of weight.

(Note that the abbreviation “lb” is the correct way to use both plural and singular, but the use of “lbs” as a plural form has become quite common.)

How to Use the lb to kg Calculator

You can convert pounds to kilograms instantly using this online calculator.

Simply write the given measurement in pounds in the empty box labeled as “Pounds.” Click on the horizontal arrow symbol and the equivalent weight in kilograms will show up in the next line.  

Formula for lb to kg Conversion

The lb to kg formula can be given as

$\text{Weight}_{kilogram} = \text{Weight}_{pound} \times 0.45359237$

How to Convert lb to Kg

  • 1 pound $= 0.45359237$ kilograms
  • 1 kilogram $= 2.2046226218$ pounds

Now, to convert the mass from lb to kg, follow the steps mentioned below: 

Step 1: Multiple the value in lb with 0.45359237.

Step 2: Write down the product, stating the mass in kilograms. Round off the numbers for better understanding and readability. Assign the unit kg.

Pound (lb) to Kilogram (kg) Table

To clarify the relationship between mass measures in lb and kg, have a look at the pound to kilogram table below:

Pound (lb)Kilogram (kg)
0.0010.00045359237
0.010.004535924
0.10.0453592
10.453592
31.36078
52.72155
104.53592
4018.1437
5022.6796
10045.3592

Facts about lb to kg Conversion

  • A pound is equal to 0.4535 kilograms.
    One kilogram is equal to 2.2046 pounds.
    Thus, 1 kg is greater than 1 lb.
  • The abbreviation “lb” comes from the Latin word “(libra) pondo,” denoting a Roman “pound weight” of 12 ounces. In ancient Roman measurements, the unit “libra pondo” meant “a pound by weight.”

Conclusion

In this article, we learned how to convert between pounds (lb) to kilograms (kg), its formula and steps for conversion. Let’s solve a few examples and practice problems based on lb to kg conversion. 

Solved Examples on lb to Kg

1. If a child weighs about 10 lb, what will be his weight in kilograms?

Solution: 

1 pound $= 0.45359237$ kilograms. 

Thus, 10 pounds $= 10 \times 0.45359237$

10 pounds $= 4.5359237$ kilograms

The child weighs about 4.5 kg.

2. What is the pound to kilogram conversion equation? Use it to convert 100 lb to kg.

Solution: 

The pound to kilogram conversion equation is:

$\text{Mass}_{kilogram} = \text{Mass}_{pound} \times 0.45359237$

Thus, $100 lb = 100 \times 0.45359237 = 45.359237$ kg

4. What is 160 lb to kg? 

Solution: 

Keep the value of mass in pounds in the formula for conversion. Here is how it goes: 

$\text{Mass}_{kilogram} = 160 \times 0.45359237$

Mass $= 72.575$ kilogram

Practice Problems on lb to kg

What is LBS to KG? Definition, Conversion, Examples, Facts

Attend this quiz & Test your knowledge.

1

Which unit is bigger, pounds or kilograms?

Kilogram
Pounds
Both units are equal
Cannot be determined
CorrectIncorrect
Correct answer is: Kilogram
As 1 kilogram $= 2.2046226218$ pounds. 1 kilogram contains approximately 2.2 units of pounds.
2

What do pounds and kilograms measure?

Speed
Force
Mars
Time
CorrectIncorrect
Correct answer is: Mars
Pounds and kilograms measure mass or weight.
3

While converting pounds to kilograms, which number do we multiply with?

2.2046226218
4.5359237
160
0.45359237
CorrectIncorrect
Correct answer is: 2.2046226218
As 1 pound $= 0.45359237$ kilogram, we multiply the weight in pounds by 0.45359237.
4

What is the approximate value of 1000 lb in kg?

400 kg
545 kg
435 kg
454 kg
CorrectIncorrect
Correct answer is: 454 kg
1 pound $= 0.45359237$ kilogram.
1000 pounds $= 1000 \times 0.45359237$
1000 pounds $= 453.6$ kilograms
1000 pounds $≈ 454$ kg

Frequently Asked Questions about lb to Kg Conversions

The countries that commonly use pounds to measure the mass are the United States and the United Kingdom.

1 pound$= 453.592$ grams

1 pound $= 16$ ounces