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Inductance converter

mH to µH Converter

Convert millihenries (mH) to microhenries (µH) instantly. The math is brutally simple. See the exact formula, conversion table, reverse conversion, and H base-unit equivalent without the guesswork.

MillihenriesEnter your value in Millihenries
FrommH
MicrohenriesEnter your value in Microhenries
ToµH
Result
4,700 µH
Scientific Notation
4.7 × 10³ µH
Real-World Context
1 mH is roughly the inductance of an audio crossover coil
Step-by-Step
1. Start with 4.7 mH. 2. Since 1 milli-unit = 1,000 micro-units, multiply by 1,000. 3. 4.7 × 1,000 = 4,700 µH.
Formula Used
× 1,000 (milli = 10⁻³, micro = 10⁻⁶)

Quick Conversions

Mega4.700000e-9 MH
Kilo0.0000047 kH
Base Unit (henries (H))0.0047 henries
Nano4,700,000 nH
Pico4.700000e+9 pH

Quick mH to µH answer

Conversion

1 mH = 1,000 µH

Rule

multiply by 1,000

Example

4.7 mH = 4,700 µH

millihenry to microhenry formula

Milli is 10^-3 and micro is 10^-6. They are three powers of ten apart, so every mH to µH conversion uses the exact factor 1,000.

µH = mH × 1,000
4.7 mH × 1,000 = 4,700 µH

mH to µH table

Common values for millihenries converted to microhenriesand the base unit (H).

millihenriesmicrohenrieshenries
0.001 mH1 µH0.000001 H
0.01 mH10 µH0.00001 H
0.1 mH100 µH0.0001 H
1 mH1,000 µH0.001 H
2 mH2,000 µH0.002 H
5 mH5,000 µH0.005 H
10 mH10,000 µH0.01 H
20 mH20,000 µH0.02 H
50 mH50,000 µH0.05 H
100 mH100,000 µH0.1 H
1,000 mH1,000,000 µH1 H

Understanding millihenries and microhenries

When dealing with inductance, accuracy is paramount. The difference between a millihenry (mH) and a microhenry (µH) might seem small, but it represents a magnitude difference of one thousand. In scientific notation, a millihenry is expressed as 10⁻³, while a microhenry is 10⁻⁶ of the base unit (henry).

Converting from millihenries to microhenries is a standard mathematical operation across various technical fields, as they are commonly used for coils, filters, switching converters, RF circuits, and inductor datasheets. 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 mH into µH (or vice-versa) can save valuable time in laboratory environments, engineering calculations, and academic research. We designed this mH to µH calculator to perform this exact transformation without any floating-point errors, ensuring that whether you are working with 4.7 mH or much larger figures, your final microhenry value is perfectly precise.

When to use mH vs µH

millihenries and microhenries are used for coils, filters, switching converters, RF circuits, and inductor datasheets. Use the larger milli unit when the number becomes easier to scan, and the smaller micro unit when you need finer detail.