Henry to Millihenry Converter
1 henry is exactly 1000 millihenries. Convert henries (H) to millihenries (mH) below: type a value and the result updates as you type.
H to mH calculator
Result
Henry to Millihenry conversion
1 H = 1000 mHone henry in millihenries
1 mH = 0.001 Hone millihenry in henries
Henry (H): SI unit of inductance: one weber per ampere.
Millihenry (mH): One thousandth of a henry.
Source:SI Brochure, 9th edition (BIPM, 2019)
How to convert henries to millihenries
To convert henries to millihenries, multiply the number of henries by 1000.
Formula
mH = H × 1000
Examples
- 5 H = 5 × 1000 = 5000 mH
- 25 H = 25 × 1000 = 25000 mH
- 100 H = 100 × 1000 = 100000 mH
Henry to Millihenry conversion table
| Henry (H) | Millihenry (mH) |
|---|---|
| 0.1 H | 100 mH |
| 0.5 H | 500 mH |
| 1 H | 1000 mH |
| 2 H | 2000 mH |
| 3 H | 3000 mH |
| 5 H | 5000 mH |
| 10 H | 10000 mH |
| 20 H | 20000 mH |
| 25 H | 25000 mH |
| 50 H | 50000 mH |
| 100 H | 100000 mH |
| 250 H | 250000 mH |
| 500 H | 500000 mH |
| 1000 H | 1000000 mH |
Values rounded to 10 significant digits where needed.
Frequently asked questions
- How many millihenries are in one henry?
- One henry is exactly 1000 millihenries.
- How do I convert millihenries to henries?
- To convert millihenries to henries, multiply the number of millihenries by 0.001. The formula is H = mH × 0.001.
- Is this conversion exact?
- Yes. Both units have exact definitions and the factor 1000 is exact. Displayed results are only rounded when they have many decimal places.
- Which is larger, a henry or a millihenry?
- A henry is 1000 times larger than a millihenry. In other words, a millihenry is exactly 1/1000 of a henry.