Convert between henry, millihenry, microhenry, and other inductance units with scientific precision.
The SI unit of electrical inductance, named after Joseph Henry. Defined as the inductance that produces one volt when current changes at one ampere per second. 1 H = 1 V·s/A.
Common uses: Large inductors, transformers, power supplies, electromagnetic coils.
One thousandth of a henry. 1 mH = 0.001 H. The most commonly used unit for general electronics.
Common uses: Audio inductors, power filter inductors, signal inductors, transformer primaries.
One millionth of a henry. 1 µH = 0.000001 H. Used for high-frequency and RF circuits.
Common uses: RF coils, switching power supply inductors, high-frequency filters, antenna circuits.
One billionth of a henry. 1 nH = 10⁻⁹ H. Used in microwave and ultra-high-frequency applications.
Common uses: Microwave circuits, PCB traces, chip-level inductors, GHz frequency applications.
One trillionth of a henry. 1 pH = 10⁻¹² H. Used for parasitic inductance measurements.
Common uses: Parasitic inductance analysis, IC design, interconnect analysis in high-speed circuits.
One thousand henries. 1 kH = 1,000 H. Used for very large inductors and superconducting devices.
Common uses: Large power transformers, superconducting magnets, energy storage inductors.
Alternative SI expression of inductance. 1 Wb/A = 1 H. Based on magnetic flux linkage.
Application: Magnetic flux calculations, transformer design, electromagnetic field analysis.
CGS electromagnetic unit of inductance. 1 abH = 10⁻⁹ H. Extremely small unit in CGS-emu system.
Application: Legacy CGS calculations, high-frequency circuit analysis in older systems.
CGS electrostatic unit of inductance. 1 stH ≈ 8.987 × 10¹¹ H. Extremely large unit.
Application: Theoretical electrostatics, CGS-esu system, academic physics research.