Convert 20 Kilojoule/Hour (kJ/h) to Horsepower (Elec) (hp (E)).

20 Kilojoule/Hour equals 0.007447 Horsepower (Elec). Multiply 20 by 0.0003723563.

20 Kilojoule/Hour to Horsepower (Elec)

Worked example: converting Kilojoule/Hour to Horsepower (Elec)

Step 1 — start with the formula. hp (E) = kJ/h × 0.0003723563
Step 2 — substitute your figure. 20 kJ/h × 0.0003723563
Step 3 — read the result. 20 kJ/h = 0.007447 hp (E)
Step 4 — check it in reverse. kJ/h = hp (E) × 2,685.6 returns 19.9997 kJ/h, which matches the figure you started with.

Power Converter

22 units available

Decimals:

From

To

0.007447

20 kJ/h = 0.007447 hp (E)

Formula:

hp (E) = kJ/h × 0.0003723563

With your value: 20 kJ/h = 0.00744713 hp (E)

How big is that?

Everyday references on a logarithmic scale, all expressed in kilojoule/hour so you can sanity-check the result.

Your value20.0 kJ/h

LED bulb (1.6× your value)32.4 kJ/h

Laptop (12× your value)234 kJ/h

Microwave oven (1.8e+2× your value)3.60e+3 kJ/h

Electric kettle (5.4e+2× your value)1.08e+4 kJ/h

Family car engine (1.6e+4× your value)3.24e+5 kJ/h

Other Kilojoule/Hour to Horsepower (Elec) conversions

14 kJ/h to hp (E)15 kJ/h to hp (E)16 kJ/h to hp (E)18 kJ/h to hp (E)21 kJ/h to hp (E)24 kJ/h to hp (E)25 kJ/h to hp (E)Full Kilojoule/Hour to Horsepower (Elec) converter

Kilojoule/Hour to Horsepower (Elec) Conversion Table

Kilojoule/Hour (kJ/h)	Horsepower (Elec) (hp (E))
0.5	0.000186
1	0.000372
2	0.000745
5	0.001862
10	0.003724
15	0.005585
20	0.007447
25	0.009309
50	0.018618
100	0.037236
250	0.093089
500	0.186178
1000	0.372356

Horsepower (Elec) to Kilojoule/Hour Conversion Table

Horsepower (Elec) (hp (E))	Kilojoule/Hour (kJ/h)
0.5	1,342.8
1	2,685.6
2	5,371.2
5	13,428
10	26,856
15	40,284
20	53,712
25	67,140
50	134,280
100	268,560
250	671,400
500	1,342,800
1000	2,685,600

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.

Kilojoule/Hour (kJ/h)

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 Kilojoule/Hour to Horsepower (Elec)

To convert from Kilojoule/Hour (kJ/h) to Horsepower (Elec) (hp (E)), multiply the value by 0.0003723563.

Formula: hp (E) = kJ/h × 0.0003723563

Reverse: kJ/h = hp (E) × 2,685.6

Step-by-Step Example

Start with your value in Kilojoule/Hour. For example: 5 kJ/h
Multiply by the conversion factor: 5 x 0.0003723563
The result is: 0.001862 hp (E)

About Kilojoule/Hour

The kilojoule/hour (kJ/h) is a unit of power. One kilojoule/hour equals 0.2777777778 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

What is 20 Kilojoule/Hour in Horsepower (Elec)?

20 Kilojoule/Hour equals 0.007447 Horsepower (Elec).

How many Horsepower (Elec) are in 1 Kilojoule/Hour?

There are exactly 0.0003723563 Horsepower (Elec) in 1 Kilojoule/Hour. This means the conversion factor from Kilojoule/Hour to Horsepower (Elec) is 0.0003723563.

What is the formula to convert Kilojoule/Hour to Horsepower (Elec)?

The formula to convert Kilojoule/Hour to Horsepower (Elec) is: hp (E) = kJ/h × 0.0003723563. For example, to convert 10 Kilojoule/Hour to Horsepower (Elec), you would multiply 10 by 0.0003723563.

What is a Kilojoule/Hour?