0.1
N·m
100,000
μN·m
0.0737562149
ft·lb
0.8850745788
in·lb
0.1
N·m
100,000
μN·m
0.0737562149
ft·lb
0.8850745788
in·lb
The Dyne-Centimeters to Newton-Meters Converter converts torque values from dyne-centimeters (dyn·cm) to newton-meters (N·m) using the exact conversion factor 1 dyn·cm = 10-7 N·m. The dyne-centimeter is the CGS (centimetre-gram-second) unit of torque, a very small unit used primarily in precision scientific measurements.
Dyne-centimeters are encountered in specialized scientific and engineering applications where extremely small torques must be measured or specified. These include torsion pendulum experiments in physics, viscometry (measuring fluid viscosity), fiber tension testing, micro-electromechanical systems (MEMS), watch and clock mechanisms, and some biomedical instrumentation. Older physics literature from the era when the CGS system was standard also frequently expresses torque in dyn·cm.
Because 1 dyn·cm is exceedingly small (10 million dyn·cm = 1 N·m), our converter also provides results in micro-newton-meters (μN·m), which is a more practical SI sub-unit for the small torque magnitudes typically expressed in dyn·cm. For reference, 1 μN·m = 10 dyn·cm, making the CGS-to-SI conversion particularly clean at this scale.
The conversion factor is exact by definition because both the dyne and the centimetre have exact SI equivalents: 1 dyn = 10-5 N (exact) and 1 cm = 10-2 m (exact), so 1 dyn·cm = 10-7 N·m (exact).
The formula is: N·m = dyn·cm × 10-7. For micro-newton-meters: μN·m = dyn·cm × 0.1 (since 1 μN·m = 10-6 N·m = 10 dyn·cm). For foot-pounds: ft·lb = dyn·cm × 10-7 × 0.737562. All factors are exact or derived from exact definitions.
Scale context: a torsion pendulum in a physics lab might produce torques of 10,000-1,000,000 dyn·cm (1-100 μN·m). A MEMS device might operate at 1-100 dyn·cm (0.1-10 μN·m). A watch mainspring produces about 50,000-500,000 dyn·cm (5-50 mN·m). For comparison, 1 N·m (hand-tightened screw) = 10,000,000 dyn·cm.
Inputs
Results
500,000 dyn·cm = 0.05 N·m = 50 mN·m
Inputs
Results
10⁷ dyn·cm = 1 N·m exactly
Exactly 10,000,000 (10⁷) dyne-centimeters = 1 newton-meter. This is an exact conversion.
Yes. 1 dyn = 10⁻⁵ N (exact) and 1 cm = 10⁻² m (exact), so 1 dyn·cm = 10⁻⁷ N·m (exact).
Measuring very small torques in physics experiments (torsion balances), viscometry, MEMS devices, watch mechanisms, and fiber tension testing.
1 erg = 1 dyn·cm (when measuring work/energy). However, for torque, dyn·cm remains the notation. The numerical equivalence is: 1 dyn·cm of torque = 10⁻⁷ N·m of torque = 10⁻⁷ J of energy per radian.
1 μN·m = 10⁻⁶ N·m = 10 dyn·cm. It is a practical SI unit for small torques commonly measured in dyn·cm.
Divide by 10,000. 1 mN·m = 10⁴ dyn·cm. For example, 50,000 dyn·cm = 5 mN·m.
In older physics textbooks (pre-1970s), some viscometer specifications, torsion pendulum experiments, and historical scientific papers that used the CGS system.
The International System of Units (SI) replaced CGS for most purposes. The transition began with the 1960 adoption of SI by the General Conference on Weights and Measures (CGPM).
MEMS (Micro-Electromechanical Systems) use capacitive or piezoresistive sensors to measure torques in the dyn·cm to μN·m range, often for inertial navigation, accelerometers, and micro-actuators.
Viscosity involves torque indirectly (in rotational viscometers), but the primary viscosity units are poise (CGS: g/cm·s) and pascal-seconds (SI: Pa·s). This converter handles pure torque conversion.
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