Kilocalorie/Hour to Horsepower (Mech) Converter

Power Converter

22 units available

Decimals:

From

To

0.001559

1 kcal/h = 0.001559 hp

Formula:

hp = kcal/h × 0.0015585657

With your value: 1 kcal/h = 0.00155857 hp

How big is that?

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

Your value1.00 kcal/h

LED bulb (7.7× your value)7.74 kcal/h

Laptop (56× your value)55.9 kcal/h

Microwave oven (8.6e+2× your value)860 kcal/h

Electric kettle (2.6e+3× your value)2.58e+3 kcal/h

Family car engine (7.7e+4× your value)7.74e+4 kcal/h

Other Kilocalorie/Hour to Horsepower (Mech) conversions

2 kcal/h to hp 3 kcal/h to hp 4 kcal/h to hp 5 kcal/h to hp 6 kcal/h to hp 7 kcal/h to hp 8 kcal/h to hp

Kilocalorie/Hour to Horsepower (Mech) Conversion Table

Kilocalorie/Hour (kcal/h)	Horsepower (Mech) (hp)
0.5	0.000779
1	0.001559
2	0.003117
5	0.007793
10	0.015586
15	0.023378
20	0.031171
25	0.038964
50	0.077928
100	0.155857
250	0.389641
500	0.779283
1000	1.558566

Horsepower (Mech) to Kilocalorie/Hour Conversion Table

Horsepower (Mech) (hp)	Kilocalorie/Hour (kcal/h)
0.5	320.807784
1	641.615568
2	1,283.231137
5	3,208.077842
10	6,416.155684
15	9,624.233526
20	12,832.311368
25	16,040.38921
50	32,080.77842
100	64,161.556841
250	160,403.892101
500	320,807.784203
1000	641,615.568406

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.

Kilocalorie/Hour (kcal/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 (Mech) (hp)

Power

Exact conversion

Mechanical horsepower is exactly 550 ft·lbf/s = 745.699 871 582 270 22 W.

Metric horsepower (PS) is 735.498 75 W — about 1.4 % lower.

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 Kilocalorie/Hour to Horsepower (Mech)

To convert from Kilocalorie/Hour (kcal/h) to Horsepower (Mech) (hp), multiply the value by 0.0015585657.

Formula: hp = kcal/h × 0.0015585657

Reverse: kcal/h = hp × 641.6155684057

Step-by-Step Example

Start with your value in Kilocalorie/Hour. For example: 5 kcal/h
Multiply by the conversion factor: 5 x 0.0015585657
The result is: 0.007793 hp

About Kilocalorie/Hour

The kilocalorie/hour (kcal/h) is a unit of power. One kilocalorie/hour equals 1.162222222 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 (Mech)

The horsepower (mech) (hp) is a unit of power. One horsepower (mech) equals 745.6998716 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 (Mech) are in 1 Kilocalorie/Hour?

There are exactly 0.0015585657 Horsepower (Mech) in 1 Kilocalorie/Hour. This means the conversion factor from Kilocalorie/Hour to Horsepower (Mech) is 0.0015585657.

What is the formula to convert Kilocalorie/Hour to Horsepower (Mech)?

The formula to convert Kilocalorie/Hour to Horsepower (Mech) is: hp = kcal/h × 0.0015585657. For example, to convert 10 Kilocalorie/Hour to Horsepower (Mech), you would multiply 10 by 0.0015585657.

What is a Kilocalorie/Hour?