Inductance / H → mH
Convert Henries to Millihenries
Convert inductance in henries and SI submultiples. Convert Henries (H) to Millihenries (mH). Find the formula, worked examples, unit definitions, and practical guidance below.
Reverse: Millihenries to Henries →
How to convert henries to millihenries
Inductance relates flux linkage to current under specified conditions. Mutual and self-inductance use the same units, but depend on different geometry and coupling.
Use x for the value in H, b for the intermediate value in H, and y for the result in mH.
mH = H ÷ 0.001
Worked examples
10 H ≈ 10000 mH
Step 1: (10 × 1) ≈ 10 H.
Step 2: 10 ÷ 0.001 ≈ 10000 mH.20 H ≈ 20000 mH
Step 1: (20 × 1) ≈ 20 H.
Step 2: 20 ÷ 0.001 ≈ 20000 mH.
Results are rounded to 12 significant digits. Converting units does not increase the precision of the original measurement. Very large or small values outside JavaScript’s finite numeric range are rejected.
About Henries
Henries (H) measures inductance under the conventions above. The base value in H is (x × 1), where x is the numerical value in H. Factors shown here are rounded for display; calculations use the stored factor.
About Millihenries
Millihenries (mH) measures inductance under the conventions above. The base value in H is (x × 0.001), where x is the numerical value in mH. Factors shown here are rounded for display; calculations use the stored factor.
Definitions and sources
Carry the same physical assumptions into subsequent physics calculations.
Henries to millihenries reference table
| Henries (H) | Millihenries (mH) |
|---|---|
| 1 | 1000 |
| 5 | 5000 |
| 10 | 10000 |
| 25 | 25000 |
| 50 | 50000 |
| 100 | 100000 |
| 1000 | 1000000 |
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