Pounds-force to kilograms-force

Type a value in pounds-force to see it in kilograms-force straight away, or type in the second box to convert back.

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Processing and privacy: The result is calculated inside your browser and your data is not sent to any server.

How to use it

  1. Type the value in the pounds-force box.
  2. Read the result in kilograms-force as you type, and pick the precision you need.
  3. Swap the direction to convert back, or copy the result.

How it is calculated

kgf = lbf × 0.45359237

Multiply the value in pounds-force by 0.45359237 to get kilograms-force.

Example

To convert 25 lbf to kilograms-force: 25 × 0.45359237 = 11.3398 kgf.

Conversion table

Pounds-force (lbf)Kilograms-force (kgf)
10.453592
20.907185
31.36078
52.26796
104.53592
209.07185
2511.3398
5022.6796
10045.3592
250113.398
500226.796
1,000453.592

About the units

Pound-force
The weight of one pound (0.45359237 kg) under standard gravity, exactly 4.4482216152605 newtons.
Kilogram-force
The weight of one kilogram under standard gravity, exactly 9.80665 newtons. It is also called the kilopond (kp).

Limits and caveats

  • Results are rounded for display and computed with the browser's floating point precision (about 15 significant digits).
  • Both unit factors are exact by their official definitions.

Questions about this tool

How many kilograms-force are in one pound-force?

1 lbf = 0.453592 kgf exactly.

How do I convert pounds-force to kilograms-force?

Use kgf = lbf × 0.45359237. For example, 25 lbf = 11.3398 kgf.

How many pounds-force are in one kilogram-force?

1 kgf = 2.20462 lbf.

What is the difference between a kilogram and a kilogram-force?

The kilogram is a unit of mass, while the kilogram-force is the weight of that mass under standard gravity, exactly 9.80665 newtons. So a 10 kg object presses down with about 98.07 newtons.

Why are climbing ropes and anchors rated in kilonewtons?

The kilonewton is a standard force unit that suits large loads. As a quick estimate, 1 kN is about 102 kilograms-force.