Horsepower (Boiler) to Horsepower (Elec) Converter

Power Converter

22 units available

Decimals:

From

To

13.149464

1 hp (S) = 13.149464 hp (E)

Formula:

hp (E) = hp (S) × 13.149463807

With your value: 1 hp (S) = 13.14946381 hp (E)

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 Horsepower (Elec) conversions

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

Horsepower (Boiler) to Horsepower (Elec) Conversion Table

Horsepower (Boiler) (hp (S))	Horsepower (Elec) (hp (E))
0.5	6.574732
1	13.149464
2	26.298928
5	65.747319
10	131.494638
15	197.241957
20	262.989276
25	328.736595
50	657.47319
100	1,314.946381
250	3,287.365952
500	6,574.731903
1000	13,149.463807

Horsepower (Elec) to Horsepower (Boiler) Conversion Table

Horsepower (Elec) (hp (E))	Horsepower (Boiler) (hp (S))
0.5	0.038024
1	0.076049
2	0.152097
5	0.380244
10	0.760487
15	1.140731
20	1.520975
25	1.901218
50	3.802436
100	7.604873
250	19.012182
500	38.024364
1000	76.048728

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

Horsepower (Elec) (hp (E))

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 Horsepower (Elec)

To convert from Horsepower (Boiler) (hp (S)) to Horsepower (Elec) (hp (E)), multiply the value by 13.149463807.

Formula: hp (E) = hp (S) × 13.149463807

Reverse: hp (S) = hp (E) × 0.0760487283

Step-by-Step Example

Start with your value in Horsepower (Boiler). For example: 5 hp (S)
Multiply by the conversion factor: 5 x 13.149463807
The result is: 65.747319 hp (E)

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 Horsepower (Elec)

The horsepower (elec) (hp (E)) is a unit of power. One horsepower (elec) equals 746 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 Horsepower (Elec) are in 1 Horsepower (Boiler)?

There are exactly 13.149463807 Horsepower (Elec) in 1 Horsepower (Boiler). This means the conversion factor from Horsepower (Boiler) to Horsepower (Elec) is 13.149463807.

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

The formula to convert Horsepower (Boiler) to Horsepower (Elec) is: hp (E) = hp (S) × 13.149463807. For example, to convert 10 Horsepower (Boiler) to Horsepower (Elec), you would multiply 10 by 13.149463807.

What is a Horsepower (Boiler)?