One nanohenry is exactly 0.001 microhenries, so converting nanohenries to microhenries is a single multiplication. Enter any figure and the result appears as you type — the arithmetic runs in your browser, so nothing is sent anywhere.
One nano henry is one billionth of a henry (1e-9 henries). Microhenries are the range of RF chokes, switching-converter inductors and PCB trace inductance.
Two tables follow: rounded steps for quick lookup, and a set of real reference quantities converted into microhenries, which is usually more useful than the bare number.
The formula
nanohenries- The amount you are converting, in nanohenries
0.001- The exact number of microhenries in one nanohenry
microhenries- The converted result
How it works, step by step
- Enter the value in nanohenries.
- It is multiplied by 0.001, the exact factor between the two units.
- The answer is shown in microhenries, with the reverse conversion beneath it.
- Check the reference table if you want a figure of comparable size.
Worked examples
RF choke: 1e+04 nH in microhenries
At 1e+04 nH (rf choke), the same quantity in microhenries is 1e+04 × 0.001 = 10 µH. One nanohenry is 0.001 microhenries, so the numbers shrink as expected.
Speaker crossover coil: 1.5e+06 nH in microhenries
Take speaker crossover coil, roughly 1.5e+06 nH. The conversion is a single multiplication — 1.5e+06 × 0.001 — giving 1500 µH. Because the relationship is proportional, doubling the input doubles the answer to 3000 µH.
How to read your score
Frequently asked questions
How many microhenries are in one nanohenry?
Exactly 0.001. Every figure on this page is that one number multiplied by your input, so the only rounding is at the display step.
What is the formula to convert nanohenries to microhenries?
microhenries = nanohenries × 0.001. Reversed, nanohenries = microhenries ÷ 0.001, which is the same as multiplying by 1000.
Which is the bigger unit, the nanohenry or the microhenry?
The microhenry. One nanohenry is only 0.001 of a microhenry, so it takes 1000 nanohenries to make one microhenry.
What does this quantity actually measure?
Both units measure how strongly a coil opposes a change in current. That is why a single factor is enough: there is no temperature offset and no material property involved, unlike conversions that cross between different quantities.
What is a nanohenry?
One nano henry is one billionth of a henry (1e-9 henries).
What is a microhenry?
Microhenries are the range of RF chokes, switching-converter inductors and PCB trace inductance.
Why does my answer differ from another converter?
Almost always because the other tool rounded the factor before multiplying. This page keeps full double precision through the calculation and rounds only for display, and it prints the factor it used so you can see where any difference came from.
Nanohenries to microhenries reference tables
| Nanohenries | Microhenries |
|---|---|
| 0.5 nH | 0.0005 µH |
| 1 nH | 0.001 µH |
| 2 nH | 0.002 µH |
| 3 nH | 0.003 µH |
| 5 nH | 0.005 µH |
| 10 nH | 0.01 µH |
| 20 nH | 0.02 µH |
| 25 nH | 0.025 µH |
| 50 nH | 0.05 µH |
| 75 nH | 0.075 µH |
| 100 nH | 0.1 µH |
| 250 nH | 0.25 µH |
| 500 nH | 0.5 µH |
| 1000 nH | 1 µH |
| 5000 nH | 5 µH |
Exact factor: 1 nanohenry = 0.001 microhenries.
| Quantity | nH | µH |
|---|---|---|
| PCB trace, 25 mm | 20 nH | 0.02 µH |
| RF choke | 1e+04 nH | 10 µH |
| Buck converter inductor | 4.7e+04 nH | 47 µH |
| Speaker crossover coil | 1.5e+06 nH | 1500 µH |
| Relay coil | 1e+08 nH | 1e+05 µH |
| Mains transformer primary | 5e+09 nH | 5e+06 µH |
Published reference values, converted with the same factor this page uses.