Gigawatt to Megawatt Converter
Convert Gigawatt (GW) to Megawatt (MW) instantly. 1 GW = 1,000 MW.
Power Converter
22 units available
1 GW = 1,000 MW
Formula:
MW = GW × 1,000With your value: 1 GW = 1,000 MW
How big is that?
Everyday references on a logarithmic scale, all expressed in gigawatt so you can sanity-check the result.
Other Gigawatt to Megawatt conversions
Gigawatt to Megawatt Conversion Table
| Gigawatt (GW) | Megawatt (MW) |
|---|---|
| 0.5 | 500 |
| 1 | 1,000 |
| 2 | 2,000 |
| 5 | 5,000 |
| 10 | 10,000 |
| 15 | 15,000 |
| 20 | 20,000 |
| 25 | 25,000 |
| 50 | 50,000 |
| 100 | 100,000 |
| 250 | 250,000 |
| 500 | 500,000 |
| 1000 | 1,000,000 |
Megawatt to Gigawatt Conversion Table
| Megawatt (MW) | Gigawatt (GW) |
|---|---|
| 0.5 | 0.0005 |
| 1 | 0.001 |
| 2 | 0.002 |
| 5 | 0.005 |
| 10 | 0.01 |
| 15 | 0.015 |
| 20 | 0.02 |
| 25 | 0.025 |
| 50 | 0.05 |
| 100 | 0.1 |
| 250 | 0.25 |
| 500 | 0.5 |
| 1000 | 1 |
Where these values come from
Every factor on this page is traced to the document that defines it. See the full provenance dataset or our methodology.
Gigawatt (GW)
Power
Derived from the watt (1 W = 1 J/s).
Source: NIST Special Publication 811, Guide for the Use of the International System of Units
National Institute of Standards and Technology (US) · Reviewed 2026-07-01
Megawatt (MW)
Power
Derived from the watt (1 W = 1 J/s).
Source: NIST Special Publication 811, Guide for the Use of the International System of Units
National Institute of Standards and Technology (US) · Reviewed 2026-07-01
How to Convert Gigawatt to Megawatt
To convert from Gigawatt (GW) to Megawatt (MW), multiply the value by 1,000.
Formula: MW = GW × 1,000
Reverse: GW = MW × 0.001
Step-by-Step Example
- Start with your value in Gigawatt. For example: 5 GW
- Multiply by the conversion factor: 5 x 1,000
- The result is: 5,000 MW
About Gigawatt
The gigawatt (GW) is a unit of power. One gigawatt equals 1.000000 × 10^+9 watts. UnitConvertLab converts it against every other power unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.
Common uses: power calculations, engineering and science, education.
About Megawatt
The megawatt (MW) is a unit of power. One megawatt equals 1.000000 × 10^+6 watts. UnitConvertLab converts it against every other power unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.
Common uses: power calculations, engineering and science, education.
Frequently Asked Questions
How many Megawatt are in 1 Gigawatt?
There are exactly 1,000 Megawatt in 1 Gigawatt. This means the conversion factor from Gigawatt to Megawatt is 1,000.
What is the formula to convert Gigawatt to Megawatt?
The formula to convert Gigawatt to Megawatt is: MW = GW × 1,000. For example, to convert 10 Gigawatt to Megawatt, you would multiply 10 by 1,000.
What is a Gigawatt?
The gigawatt (GW) is a unit of power. One gigawatt equals 1.000000 × 10^+9 watts. UnitConvertLab converts it against every other power unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.
What is a Megawatt?
The megawatt (MW) is a unit of power. One megawatt equals 1.000000 × 10^+6 watts. UnitConvertLab converts it against every other power unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.
What are the common uses of Gigawatt?
The Gigawatt is commonly used in power calculations, engineering and science, education.
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Cite this page
UnitConvertLab. (2026). Gigawatt to Megawatt converter. UnitConvertLab. Retrieved from https://unitconvertlab.com/convert/gigawatt-to-megawatt