Femtonewton to Pound-force Conversion

Convert between Femtonewton and Pound-force quickly and accurately.

fN
lbf

How to Convert Femtonewton to Pound-force

Conversion Formula

1 fN = 2E-16 lbf
1 lbf = 4E+15 fN

Example

Convert 15 fN to lbf:

15 fN = 15 × 2E-16 lbf = 3E-15 lbf

Unit Information

Learn about the force units you're converting between

Femtonewton

fN

Definition

A femtonewton equals 10^-15 Newtons and represents an extremely small force unit used in precision applications. This unit is employed for describing forces in laboratory settings, precision instruments, and micro-measurements.

History/Origin

The femtonewton was established as part of the metric system's decimal prefix system. The prefix "femto" (meaning 10^-15) was adopted in 1964. This unit provides a convenient way to express forces in the quadrillionths of Newtons range.

Current Use

Used in laboratory settings for measuring extremely small forces, particularly in chemistry and physics experiments. Common in precision instruments and micro-measurements. Used in some engineering applications where extremely small force measurements are required.

Multiplier

1E-15

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

Femtonewton to Pound-force Conversion Table

Femtonewton [fN] Pound-force [lbf]
1 fN 2E-16 lbf
10 fN 2E-15 lbf
25 fN 6E-15 lbf
50 fN 1E-14 lbf
100 fN 2E-14 lbf
0 fN 0E+0 lbf
-10 fN -2E-15 lbf
-40 fN -9E-15 lbf