picometer/square second Unit Converter
Definition of picometer/square second unit
A picometer per square second (pm/s²) is a unit of acceleration equal to a change in velocity of one picometer per second every second. One picometer is 10⁻¹² meter, so 1 pm/s² equals 10⁻¹² m/s².
History of picometer/square second unit
The picometer (pm) derives its name from the metric prefix pico-, adopted internationally in the twentieth century to denote 10⁻¹². Acceleration itself has long been defined as change in velocity over time, with the SI unit metre per second squared established through modern metric standardization. Combining the prefix with the acceleration unit produces pm/s², a convenient decimal submultiple rather than a separate named unit. It became useful as instruments improved, allowing scientists to report extremely small accelerations without lengthy scientific notation, particularly in precision physics and engineering measurements.
Applications of picometer/square second unit
Today, pm/s² is used mainly in high-precision research, where accelerations are extraordinarily small. Applications include atom interferometry, gravimetry, vibration analysis, inertial sensors, and tests of fundamental physics. For example, researchers may express residual spacecraft acceleration, laboratory noise, or tiny gravitational variations in pm/s². In everyday engineering, m/s² or gal remains more practical.
Complete list of picometer/square second unit conversion
- meter/square second = 1000000000000 picometer/square second
- decimeter/square second = 100000000000 picometer/square second
- kilometer/square second = 1.0E+15 picometer/square second
- hectometer/square second = 1.0E+14 picometer/square second
- dekameter/square second = 10000000000000 picometer/square second
- centimeter/square second = 10000000000 picometer/square second
- millimeter/square second = 1000000000 picometer/square second
- micrometer/square second = 1000000 picometer/square second
- nanometer/square second = 1000 picometer/square second
- femtometer/square second = 0.001 picometer/square second
- attometer/square second = 1.0E-6 picometer/square second
- gal [Gal] = 10000000000 picometer/square second
- galileo [Gal] = 10000000000 picometer/square second
- mile/square second [mi/s^2] = 1.609344E+15 picometer/square second
- yard/square second = 914400000000 picometer/square second
- foot/square second [ft/s^2] = 304800000000 picometer/square second
- inch/square second [in/s^2] = 25400000000 picometer/square second
- Acceleration of gravity [g] = 9806650000000 picometer/square second
