Kilowatt is 1000 watt units.
Kilowatts to Hectowatts Converter — kW to hW
Convert Kilowatt (kW) to Hectowatt (hW) using the exact conversion factor (1 kilowatt = 10 hectowatt). See the formula, worked examples, conversion table, history, and common uses.
Kilowatts to Hectowatts converter
Converter
Power Converter
Convert watts, horsepower, refrigeration tons, BTU per hour, and engineering power units.
Context values
Some unit families need one extra value for a physically accurate result.
Hectowatt is 100 watt units.
Result = input x 1000 / 100.
Power uses the watt as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Kilowatts to Hectowatts
Kilowatt and Hectowatt both describe power output, and the conversion is a routine part of comparing an engine or motor's spec sheet across countries that use different power units. Kilowatt is most often used for electric vehicle motor power ratings (alongside horsepower).
Formula
hectowatts = kilowatts × 10
This factor comes from each unit's defined relationship to the category's base unit: 1 kilowatt equals 1000 base units, and 1 hectowatt equals 100 base units, so dividing one by the other gives the direct kilowatt-to-hectowatt factor of 10.
Simple example
1 kW × 10 = 10 hW
1 kilowatt = 10 hectowatts.
Real-world example
100 kW × 10 = 1,000 hW
100 kilowatts = 1,000 hectowatts.
Conversion table
| Kilowatt (kW) | Hectowatt (hW) |
|---|---|
| 1 kW | 10 hW |
| 10 kW | 100 hW |
| 100 kW | 1,000 hW |
| 500 kW | 5,000 hW |
| 1,000 kW | 10,000 hW |
| 5,000 kW | 50,000 hW |
Reverse conversion: Hectowatt to Kilowatt
10 hW × 0.1 = 1 kW
10 hectowatts = 1 kilowatt.
kilowatts = hectowatts × 0.1
For a page dedicated to this direction, see Hectowatt to Kilowatt.
Understanding the Kilowatt
Kilowatt (kW) measures power. A kilowatt is 1,000 watts. It is classified as a SI derived (metric prefix) unit.
Where it's used: Standard power unit worldwide for larger appliances, vehicles, and electrical systems
Uses of the Kilowatt today
- Electric vehicle motor power ratings (alongside horsepower)
- Household electrical system and generator capacity
- Industrial motor and equipment power ratings
History of the Kilowatt
The kilowatt follows directly from the watt via the standard SI 'kilo-' prefix, becoming especially prominent with the growth of electrical power generation and distribution in the late 19th and 20th centuries.
Historical origin. Kilowatt was not the invention of a single named person; it developed through the process described above.
Understanding the Hectowatt (hW)
Hectowatt is 100 watt units.
Kilowatt — sources
- BIPM SI Brochure — SI prefixes — Defines 'kilo-' as the prefix for 10³.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many hectowatts are in 1 kilowatt?
1 kilowatt equals 10 hectowatts, using the exact defined conversion factor rather than an estimate.
How do I convert kilowatt to hectowatt?
Multiply the kilowatt value by 10. The converter above does this instantly to whatever precision you set.
How do I convert hectowatt back to kilowatt?
Use the reverse factor: 1 hectowatt equals 0.1 kilowatts. You can also use the swap control in the converter above to flip the direction instantly.
What is a kilowatt?
Kilowatt (kW) measures power. A kilowatt is 1,000 watts. It is classified as a SI derived (metric prefix) unit.
What is a hectowatt?
Hectowatt (hW) is a unit of power.
Is the kilowatt to hectowatt conversion exact?
Yes. Both kilowatt and hectowatt are defined by fixed standards rather than physical artifacts, so the factor of 10 used above is exact to as many digits as you choose to display.
Where is the kilowatt still used today?
Standard power unit worldwide for larger appliances, vehicles, and electrical systems