Microhenry is 0.000001 henry units.
Microhenrys to Millihenrys Converter — uH to mH
Convert Microhenry (uH) to Millihenry (mH) using the exact conversion factor (1 microhenry = 0.001 millihenry). See the formula, worked examples, and conversion table.
Microhenrys to Millihenrys converter
Converter
Electricity Converter
Convert electrical units by family and calculate voltage, current, resistance, power, and energy with context values.
Context values
Some unit families need one extra value for a physically accurate result.
Millihenry is 0.001 henry units.
Result = input x 1e-6 / 0.001.
Electrical units in the same family convert directly.
Reserved above the conversion cards and below the converter.
About Converting Microhenrys to Millihenrys
Microhenry and Millihenry both belong to the electricity family — voltage, current, resistance, power, or energy — units that show up constantly when working across the different standards used by household wiring (120V/240V depending on region), automotive electrical systems (12V/24V), and electronics design. Specifically: Microhenry is 0.000001 henry units, and millihenry is 0.001 henry units.
Formula
millihenrys = microhenrys × 0.001
This factor comes from each unit's defined relationship to the category's base unit: 1 microhenry equals 0.000001 base units, and 1 millihenry equals 0.001 base units, so dividing one by the other gives the direct microhenry-to-millihenry factor of 0.001.
Simple example
1 uH × 0.001 = 0.001 mH
1 microhenry = 0.001 millihenrys.
Real-world example
120 uH × 0.001 = 0.12 mH
120 microhenrys = 0.12 millihenrys.
Conversion table
| Microhenry (uH) | Millihenry (mH) |
|---|---|
| 1 uH | 0.001 mH |
| 5 uH | 0.005 mH |
| 12 uH | 0.012 mH |
| 24 uH | 0.024 mH |
| 120 uH | 0.12 mH |
| 240 uH | 0.24 mH |
Reverse conversion: Millihenry to Microhenry
0.001 mH × 1000 = 1 uH
0.001 millihenrys = 1 microhenry.
microhenrys = millihenrys × 1000
For a page dedicated to this direction, see Millihenry to Microhenry.
Understanding the Microhenry (uH)
Microhenry is 0.000001 henry units.
Understanding the Millihenry (mH)
Millihenry is 0.001 henry units.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many millihenrys are in 1 microhenry?
1 microhenry equals 0.001 millihenrys, using the exact defined conversion factor rather than an estimate.
How do I convert microhenry to millihenry?
Multiply the microhenry value by 0.001. The converter above does this instantly to whatever precision you set.
How do I convert millihenry back to microhenry?
Use the reverse factor: 1 millihenry equals 1,000 microhenrys. You can also use the swap control in the converter above to flip the direction instantly.
What is a microhenry?
Microhenry (uH) is a unit of electricity.
What is a millihenry?
Millihenry (mH) is a unit of electricity.
Is the microhenry to millihenry conversion exact?
Yes. Both microhenry and millihenry are defined by fixed standards rather than physical artifacts, so the factor of 0.001 used above is exact to as many digits as you choose to display.
What's the difference between voltage, current, and resistance?
Voltage (volts) is the electrical potential difference driving current through a circuit. Current (amperes) is the rate of flow of electric charge. Resistance (ohms) is how much a component opposes that flow. They're related by Ohm's law (V = I × R), but they are distinct physical quantities, and this page converts between units of just one of them.