Authoritative definitions of the International System of Units and SI prefixes.
Dedicated unit pair
Kilowatts to Megawatts
Convert kW to MW instantly, then review the formula, assumptions, and rounding guidance.
Energy, work, heat & powerInstant result
Decimals
Formula result = input × 1000 ÷ 1000000. 1 kW = 0.001 MW
Common examples
One value, several units
Watts1,000 W
Megawatts0.001 MW
Mechanical horsepower1.341 hp
Metric horsepower1.3596 PS
BTU per hour3,412.1416 BTU/h
Conversion table
| kW | MW |
|---|---|
| 1 kW | 0.001 MW |
| 2 kW | 0.002 MW |
| 5 kW | 0.005 MW |
| 10 kW | 0.01 MW |
| 25 kW | 0.025 MW |
| 50 kW | 0.05 MW |
| 100 kW | 0.1 MW |
Conversion chart
1 kW0.001 MW
5 kW0.005 MW
10 kW0.01 MW
25 kW0.025 MW
50 kW0.05 MW
Worked example
1 mechanical horsepower is approximately 745.7 watts.
Unit definition
Kilowatts (kW) One kilowatts equals 1,000 watt.
Unit history
Kilowatts is represented here using its modern SI definition or an internationally accepted relationship to an SI base unit.
Step by step
1. Parse the value, including fractions.
2. Convert kW to watt.
3. Convert the base value to MW and apply your display precision.
Understand the result before using it
Kilowatts to Megawatts converts a value measured in Kilowatts (kW) into the equivalent value in Megawatts (MW). The numerical value changes because the size and definition of the selected unit changes; the underlying quantity does not.
Calculated result
The conversion follows the displayed unit relationship. Display rounding can hide additional digits, and measured inputs cannot become more accurate merely by changing units.
Formula, assumptions, and example
Formula
result = input × 1000 ÷ 1000000
Assumptions
- Kilowatts and Megawatts represent the same power quantity.
- The input is expressed in kW; the output is expressed in MW.
- The unit definitions and conventional relationship shown on this page apply.
Worked example
1 kW = 0.001 MW. For another value, apply the same relationship and round only to the precision your source measurement supports.
When to use it
Good uses
- Read a kW measurement in a document that expects MW.
- Compare a kilowatts value with a value reported in megawatts.
- Check the kW-to-MW arithmetic before copying the result into another calculation.
Limitations
Common mistakes to avoid
- Do not confuse kW with another unit that has a similar name or symbol.
- Round the output to a precision justified by the original measurement.
- Verify safety-critical, regulated, laboratory, and contractual conversions against the controlling standard.
Sources and further reading
These references explain the underlying standards or provide authoritative context. Your own contract, institution, clinician, product documentation, local code, or governing standard may be the controlling source.
Guidance on unit names, symbols, conversions, and numerical presentation.
Questions about this calculation
How do I convert Kilowatts to Megawatts?
result = input × 1000 ÷ 1000000 Using the displayed relationship, 1 kW equals 0.001 MW.
How many Megawatts are in one Kilowatts?
One Kilowatts is 0.001 Megawatts. The displayed digits may be rounded.
Can I reverse the kW to MW conversion?
Yes. Swap the source and target units in the converter. The reverse relationship converts MW back to kW.
Is the Kilowatts to Megawatts result exact?
The conversion follows the displayed unit relationship. Display rounding can hide additional digits, and measured inputs cannot become more accurate merely by changing units.