To convert ohms to kilohms, multiply by 0.001.
The calculation uses 1 Ω = 0.001 kΩ. Results are displayed to at most 10 significant digits. Definitions can be exact while a displayed decimal is rounded. Match the displayed precision to your original measurement.
The formula
value in kΩ = value in Ω × 0.001
Ω- Input unit: ohms
kΩ- Output unit: kilohms
How to use this calculator
- Enter a value in Ω.
- Multiply by the stored conversion factor.
- Read the result in kΩ; divide by the same factor to convert back.
Worked examples
Worked conversion
1 Ω × 0.001 ≈ 0.001 kΩ.
Reverse conversion
0.001 kΩ ÷ 0.001 ≈ 1 Ω. Rounding intermediate values can change the last displayed digit.
Frequently asked questions
What factor does this converter use?
It uses 0.001 kΩ per Ω.
Why can another converter show a slightly different answer?
Check the unit convention first (such as US versus Imperial or decimal versus binary), then compare rounding. Measurement uncertainty is separate from the unit conversion.
Ω to kΩ table
| Ω | kΩ (rounded) |
|---|---|
| 0 | 0 |
| 1 | 0.001 |
| 2 | 0.002 |
| 5 | 0.005 |
| 10 | 0.01 |
| 100 | 0.1 |
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