Statampere to Picoampere Converter

A statampere (statA) is a unit of electric current in the electrostatic CGS system, equal to approximately 3.336 × 10⁻¹⁰ amperes in SI units. It was defined based on electrostatic force rather than magnetic effects.

The statampere was developed as part of the electrostatic CGS unit system in the late 19th century. It was designed to simplify electrostatic equations by making the permittivity of free space dimensionless, though it resulted in very small numerical values for practical currents.

Statamperes are obsolete in modern applications and appear only in historical scientific literature or specialized theoretical physics contexts. They've been completely replaced by SI units in all practical and educational applications.

A picoampere (pA) is a unit of electric current equal to one trillionth of an ampere. It represents the smallest practical current measurements, found in advanced research, single-molecule studies, and the most sensitive electronic measurements.

The picoampere became necessary with the development of ultra-sensitive measurement techniques and single-molecule research in the late 20th and early 21st centuries. It enabled measurements of individual ion channels, single-electron devices, and quantum-scale electrical phenomena.

Picoamperes are used in cutting-edge research including single-molecule electronics, patch-clamp electrophysiology, quantum device characterization, and ultra-sensitive analytical instruments. They're essential for studying individual biological ion channels and quantum electrical effects.