Pound to Kilogram Converter

Convert Pound (lb) to Kilogram (kg) instantly with this mass converter. Use the calculator above, then check the formula, worked examples, table, and manual steps below.

Formula

kg = lb × 0.45359237

Multiply the Pound value by 0.45359237 to get the equivalent value in Kilogram.

Example Conversions

1 Pound (lb)

0.45359237 Kilogram (kg)

5 Pound (lb)

2.26796185 Kilogram (kg)

10 Pound (lb)

4.5359237 Kilogram (kg)

25 Pound (lb)

11.33980925 Kilogram (kg)

100 Pound (lb)

45.359237 Kilogram (kg)

Conversion Table

Common conversion values from Pound to Kilogram
Pound (lb) Kilogram (kg)
0.1 0.045359237
0.5 0.226796185
1 0.45359237
2 0.90718474
5 2.26796185
10 4.5359237
25 11.33980925
50 22.6796185
100 45.359237
250 113.3980925
500 226.796185
1000 453.59237

How to Convert Manually

Use these steps to convert Pound values to Kilogram without the calculator.

  1. Write down the value in Pound (lb) that you want to convert.
  2. Multiply that value by 0.45359237.
  3. For example, 10 Pound × 0.45359237 = 4.5359237 Kilogram.
  4. Label the result as Kilogram (kg).

Relative Size Comparison

1 Pound
1lb
1 Kilogram2.204622622Pounds
1kg

This chart shows the visual difference in size between exactly one Pound and one Kilogram.

About Pound and Kilogram

Converting Pound to Kilogram is common in mass applications, engineering, and everyday life. Whether you are translating specifications from international manuals, completing homework, or planning a project, having an accurate lb to kg calculation ensures your measurements are correct.

The Pound is a unit of mass. One Pound equals 0.45359237 kg in this converter's base scale.

The Kilogram is also a mass unit. One Kilogram equals 1 kg in the same base scale.

Precision and Rounding: When converting Pound to Kilogram, you may encounter long decimal numbers. For most practical purposes, rounding to two or three decimal places is sufficient. However, for machining, scientific research, or strict engineering tolerances, you should maintain as much precision as possible before your final calculation.

Worked Example

15 Pound equals 6.80388555 Kilogram.

15 lb × 0.45359237 = 6.80388555 kg

FAQ

How do I convert Pound to Kilogram?

Multiply the Pound value by 0.45359237 to get the equivalent value in Kilogram.

What is the formula for Pound to Kilogram?

The formula is kg = lb × 0.45359237.

How many Kilogram are in 1 Pound?

1 Pound equals 0.45359237 Kilogram.

Can I convert Kilogram back to Pound?

Yes. 1 Kilogram equals 2.204622622 Pound, and the related converter can reverse the calculation.

What are common names for Pound and Kilogram?

Pound is shown as lb and may also be searched as pounds, lbs. Kilogram is shown as kg and may also be searched as kilograms, kilo, kilos.

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