Convert 12 Kilocalorie/Hour (kcal/h) to Horsepower (Boiler) (hp (S)).

12 Kilocalorie/Hour equals 0.001422 Horsepower (Boiler). Multiply 12 by 0.0001184793.

12 Kilocalorie/Hour to Horsepower (Boiler)

Worked example: converting Kilocalorie/Hour to Horsepower (Boiler)

Step 1 — start with the formula. hp (S) = kcal/h × 0.0001184793
Step 2 — substitute your figure. 12 kcal/h × 0.0001184793
Step 3 — read the result. 12 kcal/h = 0.001422 hp (S)
Step 4 — check it in reverse. kcal/h = hp (S) × 8,440.2963687266 returns 12.0021 kcal/h, which matches the figure you started with.

Power Converter

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Decimals:

From

To

0.001422

12 kcal/h = 0.001422 hp (S)

Formula:

hp (S) = kcal/h × 0.0001184793

With your value: 12 kcal/h = 0.00142175 hp (S)

How big is that?

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

LED bulb (1/1.5 your value)7.74 kcal/h

Your value12.0 kcal/h

Laptop (4.7× your value)55.9 kcal/h

Microwave oven (72× your value)860 kcal/h

Electric kettle (2.2e+2× your value)2.58e+3 kcal/h

Family car engine (6.5e+3× your value)7.74e+4 kcal/h

Other Kilocalorie/Hour to Horsepower (Boiler) conversions

8 kcal/h to hp (S)9 kcal/h to hp (S)10 kcal/h to hp (S)11 kcal/h to hp (S)13 kcal/h to hp (S)14 kcal/h to hp (S)15 kcal/h to hp (S)Full Kilocalorie/Hour to Horsepower (Boiler) converter

Kilocalorie/Hour to Horsepower (Boiler) Conversion Table

Kilocalorie/Hour (kcal/h)	Horsepower (Boiler) (hp (S))
0.5	5.923963e-5
1	0.000118
2	0.000237
5	0.000592
10	0.001185
15	0.001777
20	0.00237
25	0.002962
50	0.005924
100	0.011848
250	0.02962
500	0.05924
1000	0.118479

Horsepower (Boiler) to Kilocalorie/Hour Conversion Table

Horsepower (Boiler) (hp (S))	Kilocalorie/Hour (kcal/h)
0.5	4,220.148184
1	8,440.296369
2	16,880.592737
5	42,201.481844
10	84,402.963687
15	126,604.445531
20	168,805.927375
25	211,007.409218
50	422,014.818436
100	844,029.636873
250	2,110,074.092182
500	4,220,148.184363
1000	8,440,296.368727

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 (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

How to Convert Kilocalorie/Hour to Horsepower (Boiler)

To convert from Kilocalorie/Hour (kcal/h) to Horsepower (Boiler) (hp (S)), multiply the value by 0.0001184793.

Formula: hp (S) = kcal/h × 0.0001184793

Reverse: kcal/h = hp (S) × 8,440.2963687266

Step-by-Step Example

Start with your value in Kilocalorie/Hour. For example: 5 kcal/h
Multiply by the conversion factor: 5 x 0.0001184793
The result is: 0.000592 hp (S)

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 (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.

Frequently Asked Questions

What is 12 Kilocalorie/Hour in Horsepower (Boiler)?

12 Kilocalorie/Hour equals 0.001422 Horsepower (Boiler).

How many Horsepower (Boiler) are in 1 Kilocalorie/Hour?

There are exactly 0.0001184793 Horsepower (Boiler) in 1 Kilocalorie/Hour. This means the conversion factor from Kilocalorie/Hour to Horsepower (Boiler) is 0.0001184793.

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

The formula to convert Kilocalorie/Hour to Horsepower (Boiler) is: hp (S) = kcal/h × 0.0001184793. For example, to convert 10 Kilocalorie/Hour to Horsepower (Boiler), you would multiply 10 by 0.0001184793.

What is a Kilocalorie/Hour?