Resistance converter
µΩ to mΩ Converter
Convert microohms (µΩ) to milliohms (mΩ) instantly — just divide by 1,000. Free tool with formula, worked examples, conversion table, and Ω base-unit equivalent.
Quick µΩ to mΩ answer
1 µΩ = 0.001 mΩ
divide by 1,000
5,000 µΩ = 5 mΩ
microohm to milliohm formula
Milli is 10^-3 and micro is 10^-6. They are three powers of ten apart, so every µΩ to mΩ conversion uses the exact factor 1,000.
mΩ = µΩ ÷ 1,000
5,000 µΩ ÷ 1,000 = 5 mΩµΩ to mΩ table
Common values for microohms converted to milliohmsand the base unit (Ω).
| microohms | milliohms | ohms |
|---|---|---|
| 1 µΩ | 0.001 mΩ | 0.000001 Ω |
| 10 µΩ | 0.01 mΩ | 0.00001 Ω |
| 100 µΩ | 0.1 mΩ | 0.0001 Ω |
| 1,000 µΩ | 1 mΩ | 0.001 Ω |
| 2,000 µΩ | 2 mΩ | 0.002 Ω |
| 5,000 µΩ | 5 mΩ | 0.005 Ω |
| 10,000 µΩ | 10 mΩ | 0.01 Ω |
| 20,000 µΩ | 20 mΩ | 0.02 Ω |
| 50,000 µΩ | 50 mΩ | 0.05 Ω |
| 100,000 µΩ | 100 mΩ | 0.1 Ω |
| 1,000,000 µΩ | 1,000 mΩ | 1 Ω |
Understanding microohms and milliohms
When dealing with resistance, accuracy is paramount. The difference between a microohm (µΩ) and a milliohm (mΩ) might seem small, but it represents a magnitude difference of one thousand. In scientific notation, a microohm is expressed as 10⁻³, while a milliohm is 10⁻⁶ of the base unit (ohm).
Converting from microohms to milliohms is a standard mathematical operation across various technical fields, as they are commonly used for PCB trace resistance, shunt resistors, contact resistance, cable resistance, and four-wire Kelvin measurement. The conversion is always an exact multiple of 1,000, meaning you simply move the decimal point three places to the right (when converting milli to micro) or three places to the left (when converting micro to milli).
Because the metric system is based on powers of ten, learning how to quickly translate µΩ into mΩ (or vice-versa) can save valuable time in laboratory environments, engineering calculations, and academic research. We designed this µΩ to mΩ calculator to perform this exact transformation without any floating-point errors, ensuring that whether you are working with 5000 µΩ or much larger figures, your final milliohm value is perfectly precise.
When to use µΩ vs mΩ
microohms and milliohms are used for PCB trace resistance, shunt resistors, contact resistance, cable resistance, and four-wire Kelvin measurement. Use the larger milli unit when the number becomes easier to scan, and the smaller micro unit when you need finer detail.