Convert ounce-force inch [ozf*in] to dyne millimeter [dyn*mm] Online | Free torque Converter

Ounce-Force Inch [ozf·in]

Ounce-force inch (ozf·in) is a unit of torque or moment of force used primarily in industries and applications where very small rotational forces are measured. It represents the torque produced when a force of one ounce-force (ozf) is applied at a distance of one inch (in) from a pivot point. This unit is especially useful in precision engineering, small mechanical assemblies, and electronics, where fine control of torque is necessary.

For example, ounce-force inches are commonly used to specify the torque settings for small screws, delicate instruments, or miniature motors. Since it measures very small torques, ozf·in allows engineers and technicians to ensure components are neither over-tightened nor under-tightened, which could lead to damage or malfunction.

Although the newton-meter (N·m) is the SI unit of torque, and pound-force foot (lbf·ft) is more common in larger mechanical systems, ounce-force inch remains practical in applications requiring detailed precision in the imperial measurement system. To give perspective, 1 ozf·in is approximately 0.007062 N·m.

Dyne Millimeter [dyn·mm]

Dyne millimeter (dyn·mm) is a unit of torque or moment of force in the centimeter-gram-second (CGS) system of units. It measures the torque produced when a force of one dyne is applied at a distance of one millimeter (mm) from a pivot point. The dyne is a small unit of force, defined as the force required to accelerate a mass of one gram at a rate of one centimeter per second squared.

This unit is commonly used in physics, materials science, and engineering, especially in studies involving very small forces and precise torque measurements such as in micro-mechanics, thin film testing, and small-scale instrument calibration. Because both the dyne and the millimeter are small units, dyn·mm is ideal for quantifying extremely low torques that would be impractical to express in larger units like newton-meters.

In terms of SI units, 1 dyn·mm equals 10⁻⁸ newton-meters (N·m). Despite the predominance of SI units in modern science and engineering, the dyne millimeter remains useful in certain specialized contexts where the CGS system is still preferred for historical reasons or practical convenience.