Gram-force to Pound-force Conversion

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

gf
lbf

How to Convert Gram-force to Pound-force

Conversion Formula

1 gf = 0.002 lbf
1 lbf = 453.592 gf

Example

Convert 15 gf to lbf:

15 gf = 15 × 0.002 lbf = 0.033 lbf

Unit Information

Learn about the force units you're converting between

Gram-force

gf

Definition

Gram-force is a unit of force based on the gravitational force exerted on a mass of one gram. It represents the weight of one gram under standard gravity conditions. This unit is useful for measuring small forces in laboratory settings and precision applications.

History/Origin

Gram-force originated from the need to express forces in terms of familiar mass units. It was commonly used before the widespread adoption of the Newton as the standard force unit. The unit relates directly to the gravitational force experienced by a gram mass under Earth's gravity.

Current Use

Used in laboratory settings for measuring small forces, particularly in chemistry and physics experiments. Common in precision instruments and micro-measurements. Still used in some engineering applications where small force measurements are required, such as in material testing and calibration.

Multiplier

0.01

Offset

0

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

Gram-force to Pound-force Conversion Table

Gram-force [gf] Pound-force [lbf]
1 gf 0.002205 lbf
10 gf 0.022046 lbf
25 gf 0.055116 lbf
50 gf 0.110231 lbf
100 gf 0.220462 lbf
0 gf 0E+0 lbf
-10 gf -0.022046 lbf
-40 gf -0.088185 lbf