Electrical Resistance Converter
Convert resistance units instantly: ohm, milliohm, kiloohm, megaohm, gigaohm, siemens (conductance) and more. Precise factors, all units shown at once.
| Unit | Value |
|---|---|
| ohm (Ω) | |
| milliohm (mΩ) | |
| kiloohm (kΩ) | |
| megaohm (MΩ) | |
| gigaohm (GΩ) | |
| siemens (conductance) (S) |
Tip: double-click a row to convert from that unit. Click a value to copy it. Expressions like 3*12 are accepted.
How to use the Electrical Resistance Converter
- Type the value you want to convert (expressions are allowed).
- Choose the unit you are converting from.
- Read the result in every other unit in the table — it updates as you type.
About this tool
Enter a value and choose its unit; the resistance is converted to all 6 supported units simultaneously. Conversions use exact definitions where they exist (e.g. 1 inch = 25.4 mm, 1 lb = 0.453 592 37 kg).
Common conversions
| 1 Ω = 1000 mΩ | 1 mΩ = 0.001 Ω |
| 1 Ω = 0.001 kΩ | 1 kΩ = 1000 Ω |
| 1 Ω = 0.000001 MΩ | 1 MΩ = 1 000 000 Ω |
| 1 Ω = 1 × 10⁻⁹ GΩ | 1 GΩ = 1 000 000 000 Ω |
| 1 Ω = 1 S | 1 S = 1 Ω |