Electrical Unit Converter

Convert electrical units instantly with this free electrical unit converter.

Includes reference tables, practical applications for electronics and wiring, and bidirectional conversion.

Last updated · How we build & check our tools

Frequently Asked Questions

Common questions about the Electrical Unit Converter

Voltage (V, mV, kV), current (A, mA), resistance (Ω, kΩ, MΩ), power (W, kW), and capacitance.

Sources & References

International System of Units (SI): electric current, voltage and resistance

Electric current, voltage and resistance is measured in the ampere (A), volt (V) and ohm (Ω). Conversions between SI and other units use exact, internationally agreed factors maintained by NIST.

International System of Units (SI)

Authoritative definitions for electric current, voltage and resistance, from the BIPM SI Brochure (9th edition), the defining reference for the SI.