Horsepower to Gigawatts
Convert Horsepower to Gigawatts instantly. Free online power unit converter with exact formula, conversion table and FAQ.
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Formula
GW = hp × 7.456998716e-7
hp = GW × 1341022.09
Conversion table
| 1 hp | 7.457e-7 GW |
| 5 hp | 3.7285e-6 GW |
| 10 hp | 7.457e-6 GW |
| 20 hp | 1.4914e-5 GW |
| 50 hp | 3.7285e-5 GW |
| 100 hp | 7.457e-5 GW |
| 500 hp | 0.00037285 GW |
| 1000 hp | 0.0007457 GW |
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Frequently asked questions
What is the source unit in this conversion?
The source unit is the horsepower (hp). Mechanical (imperial) horsepower is a traditional unit of power used for engines and motors, defined as exactly 745.6998715822702 watts.
What is the destination unit in this conversion?
The destination unit is the gigawatt (GW). A gigawatt is 1e+09 watt units.
How do I convert horsepower to gigawatts?
Multiply the horsepower value by 7.456998716e-7 to get gigawatt. For example, 1000 hp × 7.456998716e-7 = 0.0007457 GW.
Is the horsepower to gigawatts conversion exact?
Yes. Both units are defined by fixed numeric relationships to the watt, so the conversion factor used here, 7.456998716e-7, is exact.
Where is this conversion commonly used?
It is used when comparing power ratings expressed in horsepower against equipment, engines, or specifications rated in gigawatts.
Can I convert gigawatts back to horsepower?
Yes. Multiply the gigawatt value by 1341022.09 to get horsepower.
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About this conversion
This page converts horsepower (hp) into gigawatts (GW), two units used to describe power, the rate at which energy is transferred or work is done.
Mechanical (imperial) horsepower is a traditional unit of power used for engines and motors, defined as exactly 745.6998715822702 watts.
A gigawatt is 1e+09 watt units.
The formula is GW = hp × 7.456998716e-7, derived from each unit's fixed relationship to the watt, the SI unit of power.
Because both units are defined by exact numeric relationships to the watt, this conversion is exact rather than approximate.