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W to GW Converter

Convert watt (W) to gigawatt (GW). Enter a value for an instant result, or use the examples and reverse conversion below.

520units ready to convert
ENERGY

Power

Rate of work, heat transfer and machinery output.

W
GW

Try a decimal, 1e-9, 1/3, or 5 1/2.

Result0.000000001 GW1 W = 0.000000001 GW
HOW IT IS CALCULATED

Convert through watt

Enter a watt value to calculate gigawatt 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

UnitSymbolConverted value
milliwattfrom WmW1000
wattfrom WW1
kilowattfrom WkW0.001
megawattfrom WMW0.000001
gigawattfrom WGW0.000000001
mechanical horsepowerfrom Whp0.00134102
metric horsepowerfrom WPS0.00135962
electrical horsepowerfrom Whp(E)0.00134048
boiler horsepowerfrom Whp(S)0.000101942
foot pound-force per secondfrom Wft·lbf/s0.737562
British thermal unit per hourfrom WBtuIT/h3.41214
ton of refrigerationfrom WTR0.000284345

SI symbols follow international notation. U.S. and Imperial measures are labelled separately where their values differ.

W to GW Conversion Reference

Watt (W) and gigawatt (GW) are units of power. Use this page to convert in either direction.

Conversion Examples

Watt to Gigawatt
Watt (W)Gigawatt (GW)
1 W0.000000001 GW
5 W0.000000005 GW
10 W0.00000001 GW
100 W0.0000001 GW

Examples are rounded to 6 significant digits. The interactive converter retains full calculation precision; change Display Precision to see more digits.

Reverse Conversion

GW to W (gigawatt to watt)

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