ENERGY
Power
Rate of work, heat transfer and machinery output.
Try a decimal, 1e-9, 1/3, or 5 1/2.
Result0.000001 kW1 mW = 0.000001 kW
EVERYDAY · ENGINEERING · SCIENCE
mW to kW Converter
Convert milliwatt (mW) to kilowatt (kW). Enter a value for an instant result, or use the examples and reverse conversion below.
520units ready to convert
HOW IT IS CALCULATED
Convert through watt
Enter a milliwatt value to calculate kilowatt with full internal precision before display rounding.
Display PrecisionAuto · 6 significant digits
Auto trims unnecessary zeroes and uses scientific notation for extreme magnitudes. Use Digits to set the display precision; calculations retain full precision.
QUICK REFERENCE
All units in this quantity
| Unit | Symbol | Converted value |
|---|---|---|
| milliwattfrom mW | mW | 1 |
| wattfrom mW | W | 0.001 |
| kilowattfrom mW | kW | 0.000001 |
| megawattfrom mW | MW | 0.000000001 |
| gigawattfrom mW | GW | 1e-12 |
| mechanical horsepowerfrom mW | hp | 0.00000134102 |
| metric horsepowerfrom mW | PS | 0.00000135962 |
| electrical horsepowerfrom mW | hp(E) | 0.00000134048 |
| boiler horsepowerfrom mW | hp(S) | 0.000000101942 |
| foot pound-force per secondfrom mW | ft·lbf/s | 0.000737562 |
| British thermal unit per hourfrom mW | BtuIT/h | 0.00341214 |
| ton of refrigerationfrom mW | TR | 0.000000284345 |
SI symbols follow international notation. U.S. and Imperial measures are labelled separately where their values differ.
mW to kW Conversion Reference
Milliwatt (mW) and kilowatt (kW) are units of power. Use this page to convert in either direction.
Conversion Examples
| Milliwatt (mW) | Kilowatt (kW) |
|---|---|
| 1 mW | 0.000001 kW |
| 5 mW | 0.000005 kW |
| 10 mW | 0.00001 kW |
| 100 mW | 0.0001 kW |
Examples are rounded to 6 significant digits. The interactive converter retains full calculation precision; change Display Precision to see more digits.
Reverse Conversion
kW to mW (kilowatt to milliwatt)
Related Power Conversions
mW to W (milliwatt to watt)mW to MW (milliwatt to megawatt)mW to GW (milliwatt to gigawatt)mW to hp (milliwatt to mechanical horsepower)mW to PS (milliwatt to metric horsepower)mW to hp(E) (milliwatt to electrical horsepower)mW to hp(S) (milliwatt to boiler horsepower)mW to ft·lbf/s (milliwatt to foot pound-force per second)mW to BtuIT/h (milliwatt to British thermal unit per hour)mW to TR (milliwatt to ton of refrigeration)