How it works
Convert inductance between henries and metric prefixes. The result does not include frequency-dependent impedance.
Worked example
Show example inputs and result
Value: 100 · From unit: H · To unit: mH.
- Converted value
- 100,000 mH
Questions and answers
Which unit convention is used?
Convert inductance between henries and metric prefixes. The result does not include frequency-dependent impedance.
Why are some results rounded?
Results display up to 8 decimal places. Calculations use the unrounded values; very small values use scientific notation. JavaScript floating-point arithmetic can introduce tiny rounding differences.
Are my inputs sent to a server?
The calculator processes inputs in your browser. Its code does not send your values to a server.
Conversion reference: NIST SI Guide
Method reviewed: October 8, 2026 · Methods & accuracy