Horsepower (Boiler) to Gigawatt Converter

Power Converter

22 units available

Decimals:

From

To

9.809500e-6

1 hp (S) = 9.809500e-6 GW

Formula:

GW = hp (S) × 0.0000098095

With your value: 1 hp (S) = 9.809500e-6 GW

How big is that?

Everyday references on a logarithmic scale, all expressed in horsepower (boiler) so you can sanity-check the result.

LED bulb (1/1.1e+3 your value)0.000917 hp (S)

Laptop (1/1.5e+2 your value)0.00663 hp (S)

Microwave oven (1/9.8 your value)0.102 hp (S)

Electric kettle (1/3.3 your value)0.306 hp (S)

Your value1.00 hp (S)

Family car engine (9.2× your value)9.17 hp (S)

Other Horsepower (Boiler) to Gigawatt conversions

2 hp (S) to GW 3 hp (S) to GW 4 hp (S) to GW 5 hp (S) to GW 6 hp (S) to GW 7 hp (S) to GW 8 hp (S) to GW

Horsepower (Boiler) to Gigawatt Conversion Table

Horsepower (Boiler) (hp (S))	Gigawatt (GW)
0.5	4.904750e-6
1	9.809500e-6
2	1.961900e-5
5	4.904750e-5
10	9.809500e-5
15	0.000147
20	0.000196
25	0.000245
50	0.00049
100	0.000981
250	0.002452
500	0.004905
1000	0.00981

Gigawatt to Horsepower (Boiler) Conversion Table

Gigawatt (GW)	Horsepower (Boiler) (hp (S))
0.5	50,970.997502
1	101,941.995005
2	203,883.99001
5	509,709.975024
10	1,019,419.950048
15	1,529,129.925073
20	2,038,839.900097
25	2,548,549.875121
50	5,097,099.750242
100	10,194,199.500484
250	25,485,498.751211
500	50,970,997.502421
1000	101,941,995.004842

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.

Horsepower (Boiler) (hp (S))

Power

Exact conversion

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

Gigawatt (GW)

Power

Exact conversion

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 Horsepower (Boiler) to Gigawatt

To convert from Horsepower (Boiler) (hp (S)) to Gigawatt (GW), multiply the value by 9.809500e-6.

Formula: GW = hp (S) × 0.0000098095

Reverse: hp (S) = GW × 101,941.9950048423

Step-by-Step Example

Start with your value in Horsepower (Boiler). For example: 5 hp (S)
Multiply by the conversion factor: 5 x 9.809500e-6
The result is: 4.904750e-5 GW

About Horsepower (Boiler)

The horsepower (boiler) (hp (S)) is a unit of power. One horsepower (boiler) equals 9809.5 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 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.

Frequently Asked Questions

How many Gigawatt are in 1 Horsepower (Boiler)?

There are exactly 9.809500e-6 Gigawatt in 1 Horsepower (Boiler). This means the conversion factor from Horsepower (Boiler) to Gigawatt is 9.809500e-6.

What is the formula to convert Horsepower (Boiler) to Gigawatt?

The formula to convert Horsepower (Boiler) to Gigawatt is: GW = hp (S) × 0.0000098095. For example, to convert 10 Horsepower (Boiler) to Gigawatt, you would multiply 10 by 9.809500e-6.

What is a Horsepower (Boiler)?