Pound-Force Foot to Gram-Force Millimeter Conversion

Convert between Pound-Force Foot and Gram-Force Millimeter quickly and accurately.

From Pound-Force Foot

lbf·ft

To Gram-Force Millimeter

gf·mm

How to Convert Pound-Force Foot to Gram-Force Millimeter

Conversion Formula

1 lbf·ft = 138254.96 gf·mm

1 gf·mm = 0 lbf·ft

Example

Convert 15 lbf·ft to gf·mm:

15 lbf·ft = 15 × 138254.96 gf·mm = 2073824.395 gf·mm

Unit Information

Learn about the torque units you're converting between

Pound-Force Foot

lbf·ft

Definition

The pound-force foot (lbf·ft) is an imperial unit of torque, commonly known as foot-pound. It represents the rotational force produced by one pound-force applied at one foot from the pivot point.

History/Origin

This unit is a cornerstone of the US customary system for rotational dynamics. It has a long history of use in mechanical engineering, particularly in the automotive, aerospace, and manufacturing industries.

Current Use

Predominantly used in the United States for engineering calculations, especially in contexts like engine torque, fastener tightening, and machinery design where imperial units for force and length are standard.

Multiplier

1.356

Offset

Gram-Force Millimeter

gf·mm

Definition

The gram-force millimeter (gf·mm) is a gravitational metric unit of torque, equal to 9.80665E-6 newton meters. It represents the rotational force produced by one gram-force applied at one millimeter from the pivot point.

History/Origin

This unit was used in the technical system of units for very precise torque measurements at millimeter scales. It provided a practical unit for micro-mechanical applications and precision assembly work.

Current Use

Rarely used in modern applications, but may be encountered in specialized scientific research or historical technical specifications where very precise small-scale measurements are required.

Multiplier

Offset