Horsepower (Elec) to BTU/Second Converter

Power Converter

22 units available

Decimals:

From

To

0.707072

1 hp (E) = 0.707072 BTU/s

Formula:

BTU/s = hp (E) × 0.7070715718

With your value: 1 hp (E) = 0.70707157 BTU/s

How big is that?

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

LED bulb (1/83 your value)0.0121 hp (E)

Laptop (1/11 your value)0.0871 hp (E)

Your value1.00 hp (E)

Microwave oven (1.3× your value)1.34 hp (E)

Electric kettle (4.0× your value)4.02 hp (E)

Family car engine (1.2e+2× your value)121 hp (E)

Other Horsepower (Elec) to BTU/Second conversions

2 hp (E) to BTU/s 3 hp (E) to BTU/s 4 hp (E) to BTU/s 5 hp (E) to BTU/s 6 hp (E) to BTU/s 7 hp (E) to BTU/s 8 hp (E) to BTU/s

Horsepower (Elec) to BTU/Second Conversion Table

Horsepower (Elec) (hp (E))	BTU/Second (BTU/s)
0.5	0.353536
1	0.707072
2	1.414143
5	3.535358
10	7.070716
15	10.606074
20	14.141431
25	17.676789
50	35.353579
100	70.707157
250	176.767893
500	353.535786
1000	707.071572

BTU/Second to Horsepower (Elec) Conversion Table

BTU/Second (BTU/s)	Horsepower (Elec) (hp (E))
0.5	0.707142
1	1.414284
2	2.828568
5	7.07142
10	14.14284
15	21.21426
20	28.28568
25	35.3571
50	70.714199
100	141.428398
250	353.570996
500	707.141992
1000	1,414.283985

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 (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

BTU/Second (BTU/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

How to Convert Horsepower (Elec) to BTU/Second

To convert from Horsepower (Elec) (hp (E)) to BTU/Second (BTU/s), multiply the value by 0.7070715718.

Formula: BTU/s = hp (E) × 0.7070715718

Reverse: hp (E) = BTU/s × 1.4142839847

Step-by-Step Example

Start with your value in Horsepower (Elec). For example: 5 hp (E)
Multiply by the conversion factor: 5 x 0.7070715718
The result is: 3.535358 BTU/s

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.

About BTU/Second

The btu/second (BTU/s) is a unit of power. One btu/second equals 1055.055853 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 BTU/Second are in 1 Horsepower (Elec)?

There are exactly 0.7070715718 BTU/Second in 1 Horsepower (Elec). This means the conversion factor from Horsepower (Elec) to BTU/Second is 0.7070715718.

What is the formula to convert Horsepower (Elec) to BTU/Second?

The formula to convert Horsepower (Elec) to BTU/Second is: BTU/s = hp (E) × 0.7070715718. For example, to convert 10 Horsepower (Elec) to BTU/Second, you would multiply 10 by 0.7070715718.

What is a Horsepower (Elec)?