Inductance, measured in henries (H), describes how strongly a coil resists changes in current. Practical inductors range from nanohenries in RF circuits to millihenries in audio crossovers and power filters. Each prefix step is a factor of 1,000: 1 H = 1,000 mH = 1,000,000 µH. This converter keeps those steps straight when reading datasheets or calculating resonant frequency with f = 1 / (2π√(LC)), which needs inductance in henries and capacitance in farads.
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