Horsepower (Elec) to Calorie/Hour Converter

Power Converter

22 units available

Decimals:

From

To

641,873.805094

1 hp (E) = 641,873.805094 cal/h

Formula:

cal/h = hp (E) × 641,873.8050940485

With your value: 1 hp (E) = 641,873.80509405 cal/h

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 Calorie/Hour conversions

2 hp (E) to cal/h 3 hp (E) to cal/h 4 hp (E) to cal/h 5 hp (E) to cal/h 6 hp (E) to cal/h 7 hp (E) to cal/h 8 hp (E) to cal/h

Horsepower (Elec) to Calorie/Hour Conversion Table

Horsepower (Elec) (hp (E))	Calorie/Hour (cal/h)
0.5	320,936.902547
1	641,873.805094
2	1,283,747.610188
5	3,209,369.02547
10	6,418,738.05094
15	9,628,107.076411
20	12,837,476.101881
25	16,046,845.127351
50	32,093,690.254702
100	64,187,380.509405
250	160,468,451.273512
500	320,936,902.547024
1000	641,873,805.094049

Calorie/Hour to Horsepower (Elec) Conversion Table

Calorie/Hour (cal/h)	Horsepower (Elec) (hp (E))
0.5	7.789693e-7
1	1.557939e-6
2	3.115877e-6
5	7.789693e-6
10	1.557939e-5
15	2.336908e-5
20	3.115877e-5
25	3.894847e-5
50	7.789693e-5
100	0.000156
250	0.000389
500	0.000779
1000	0.001558

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

Calorie/Hour (cal/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

How to Convert Horsepower (Elec) to Calorie/Hour

To convert from Horsepower (Elec) (hp (E)) to Calorie/Hour (cal/h), multiply the value by 641,873.8050940485.

Formula: cal/h = hp (E) × 641,873.8050940485

Reverse: hp (E) = cal/h × 0.0000015579

Step-by-Step Example

Start with your value in Horsepower (Elec). For example: 5 hp (E)
Multiply by the conversion factor: 5 x 641,873.8050940485
The result is: 3,209,369.02547 cal/h

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 Calorie/Hour

The calorie/hour (cal/h) is a unit of power. One calorie/hour equals 0.001162222222 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 Calorie/Hour are in 1 Horsepower (Elec)?

There are exactly 641,873.8050940485 Calorie/Hour in 1 Horsepower (Elec). This means the conversion factor from Horsepower (Elec) to Calorie/Hour is 641,873.8050940485.

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

The formula to convert Horsepower (Elec) to Calorie/Hour is: cal/h = hp (E) × 641,873.8050940485. For example, to convert 10 Horsepower (Elec) to Calorie/Hour, you would multiply 10 by 641,873.8050940485.

What is a Horsepower (Elec)?