Pound-force to Kilogram-force Conversion

Convert between Pound-force and Kilogram-force quickly and accurately.

lbf
kgf

How to Convert Pound-force to Kilogram-force

Conversion Formula

1 lbf = 0.454 kgf
1 kgf = 2.205 lbf

Example

Convert 15 lbf to kgf:

15 lbf = 15 × 0.454 kgf = 6.804 kgf

Unit Information

Learn about the force units you're converting between

Pound-force

lbf

Definition

Pound-force represents the gravitational force exerted on a mass of one pound under standard gravity conditions. It equals approximately 4.45 Newtons and is commonly used in engineering applications, particularly in the United States and other countries using imperial units.

History/Origin

Pound-force was widely used in engineering before the Newton became the standard SI unit. It provided an intuitive way to express forces in terms of familiar mass units. The unit was particularly popular in US engineering practices and remains in use in many applications.

Current Use

Still widely used in engineering applications, particularly in the United States. Common in mechanical engineering for torque specifications and in automotive applications. Used in material testing and in many industrial processes where the relationship to mass is important.

Multiplier

4.448

Offset

0

Kilogram-force

kgf

Definition

Kilogram-force represents the gravitational force exerted on a mass of one kilogram under standard gravity conditions. It is equivalent to approximately 9.81 Newtons and is commonly used in engineering applications, particularly in countries using metric systems.

History/Origin

Kilogram-force was widely used in engineering before the Newton became the standard SI unit. It provided an intuitive way to express forces in terms of familiar mass units. The unit was particularly popular in European engineering practices and remains in use in some applications.

Current Use

Still used in some engineering applications, particularly in Europe and Asia. Common in mechanical engineering for torque specifications and in some automotive applications. Used in material testing and in some industrial processes where the relationship to mass is important.

Multiplier

9.807

Offset

0

Pound-force to Kilogram-force Conversion Table

Pound-force [lbf] Kilogram-force [kgf]
1 lbf 0.453592 kgf
10 lbf 4.535924 kgf
25 lbf 11.339809 kgf
50 lbf 22.679619 kgf
100 lbf 45.359237 kgf
0 lbf 0E+0 kgf
-10 lbf -4.535924 kgf
-40 lbf -18.143695 kgf