Convert Gigawatts to Terawatts
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Contextual examples
- 1 Gigawatts = 0.001 Terawatts
- 10 Gigawatts = 0.01 Terawatts
- 100 Gigawatts = 0.1 Terawatts
- 1000 Gigawatts = 1 Terawatts
How many gigawatts in a terawatts?
In 1 gigawatts there are 0.001 terawatts. Meanwhile in 1 terawatts there are 1,000 gigawatts. Keep reading to learn more about each unit of measure and how they are calculated. Or just use the Terawatts to Gigawatts calculator above to convert any number.
* Values rounded to 6 decimal places for readability
How to convert gigawatts to terawatts?
To convert gigawatts (GW) to terawatts (TW), use the SI prefix relationship: tera = 10¹² and giga = 10⁹. That means 1 TW = 1,000 GW.
Conversion formula (GW to TW)
- TW = GW ÷ 1,000
- 1 GW = 0.001 TW
Quick examples
- 500 GW = 500 ÷ 1,000 = 0.5 TW
- 1,250 GW = 1,250 ÷ 1,000 = 1.25 TW
Tip: Move the decimal three places left when converting GW to TW.
Frequently asked questions
What is the difference between a gigawatt and a terawatt?
A gigawatt (GW) and a terawatt (TW) both measure power. Power is the rate that energy is used or produced. A terawatt is larger than a gigawatt by a factor of 1,000.
How many gigawatts are in a terawatt?
There are 1,000 gigawatts in 1 terawatt.
1 TW = 1,000 GW
How do you convert gigawatts to terawatts?
Divide the gigawatt value by 1,000.
TW = GW ÷ 1,000
How do you convert terawatts to gigawatts?
Multiply the terawatt value by 1,000.
GW = TW × 1,000
What is the formula for GW to TW conversion?
Use this simple formula:
TW = GW / 1,000
What is the formula for TW to GW conversion?
Use this simple formula:
GW = TW × 1,000
What does gigawatt (GW) mean?
A gigawatt is a unit of power equal to one billion watts. It’s often used to describe large-scale electricity output, like a power plant or a regional power grid.
What does terawatt (TW) mean?
A terawatt is a unit of power equal to one trillion watts. It’s used for very large totals, such as national or global power demand and generation.
Is 0.5 terawatts the same as 500 gigawatts?
Yes. Since 1 TW equals 1,000 GW, half a terawatt equals 500 gigawatts.
0.5 TW = 0.5 × 1,000 GW = 500 GW
How many terawatts is 250 gigawatts?
Divide 250 by 1,000 to convert gigawatts to terawatts.
250 GW = 0.25 TW
How many gigawatts is 1.2 terawatts?
Multiply 1.2 by 1,000 to convert terawatts to gigawatts.
1.2 TW = 1,200 GW
Why are GW and TW used for electricity and energy topics?
Electric power systems can be huge. Using watts would create very large numbers. Gigawatts and terawatts keep the numbers easier to read and compare.
Are gigawatts and terawatts units of energy?
No. Gigawatts and terawatts measure power, not energy. Energy depends on time. For energy, you’ll see units like watt-hours, kilowatt-hours (kWh), or terawatt-hours (TWh).
How do gigawatts relate to gigawatt-hours?
Gigawatts (GW) measure power at a moment in time. Gigawatt-hours (GWh) measure energy over a period of time.
If a system produces 1 GW for 1 hour, it produces 1 GWh of energy.
Can I convert gigawatts to terawatts without knowing time?
Yes. GW to TW is a power-to-power conversion, so time is not part of it. You only need time when converting between power and energy.
Does the GW to TW conversion change for AC vs DC power?
No. The unit conversion stays the same. 1 TW always equals 1,000 GW, no matter the type of electricity.
What are common mistakes when converting gigawatts to terawatts?
A common mistake is multiplying instead of dividing. To convert GW to TW, you divide by 1,000. Another mistake is mixing up power (GW, TW) with energy (GWh, TWh).
What are some quick GW to TW conversion examples?
- 1,000 GW = 1 TW
- 750 GW = 0.75 TW
- 50 GW = 0.05 TW
- 10 TW = 10,000 GW
Related calculators
How does this converter work?
The Calculate Box tool to convert gigawatts to terawatts uses the open source script Convert.js to convert units of measurement. To use this tool, simply type a gigawatts value in the box and have it instantly converted to terawatts.