Convert 7 Calorie/Hour (cal/h) to Kilojoule/Hour (kJ/h).

7 Calorie/Hour equals 0.029288 Kilojoule/Hour. Multiply 7 by 0.004184.

What is 7 Calorie/Hour in Kilojoule/Hour?

7 Calorie/Hour equals 0.029288 Kilojoule/Hour.

How many Kilojoule/Hours are in 1 Calorie/Hour?

There are exactly 0.004184 Kilojoule/Hours in 1 Calorie/Hour. This means the conversion factor from Calorie/Hour to Kilojoule/Hour is 0.004184.

What is the formula to convert Calorie/Hour to Kilojoule/Hour?

The formula to convert Calorie/Hour to Kilojoule/Hour is: kJ/h = cal/h × 0.004184. For example, to convert 10 Calorie/Hours to Kilojoule/Hours, you would multiply 10 by 0.004184.

What are the common uses of Calorie/Hour?

The Calorie/Hour is commonly used in power calculations, engineering and science, education.

What is 7 Calorie/Hour in Kilojoule/Hour?

To convert 7 Calorie/Hours to Kilojoule/Hours, multiply by 0.004184. Therefore, 7 Calorie/Hour (cal/h) equals 0.029288 Kilojoule/Hour (kJ/h).

7 Calorie/Hour = 0.029288 Kilojoule/Hour

Worked example: converting Calorie/Hour to Kilojoule/Hour

Step 1 — start with the formula. kJ/h = cal/h × 0.004184
Step 2 — substitute your figure. 7 cal/h × 0.004184
Step 3 — read the result. 7 cal/h = 0.029288 kJ/h
Step 4 — check it in reverse. cal/h = kJ/h × 239.0057361834 returns 7 cal/h, which matches the figure you started with.

Power Converter

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0.029288

7 cal/h = 0.029288 kJ/h

Formula:

kJ/h = cal/h × 0.004184

With your value: 7 cal/h = 0.029288 kJ/h

How big is that?

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

Your value7.00 cal/h

LED bulb (1.1e+3× your value)7.74e+3 cal/h

Laptop (8.0e+3× your value)5.59e+4 cal/h

Microwave oven (1.2e+5× your value)8.60e+5 cal/h

Electric kettle (3.7e+5× your value)2.58e+6 cal/h

Family car engine (1.1e+7× your value)7.74e+7 cal/h

Other Calorie/Hour to Kilojoule/Hour conversions

3 cal/h to kJ/h 4 cal/h to kJ/h 5 cal/h to kJ/h 6 cal/h to kJ/h 8 cal/h to kJ/h 9 cal/h to kJ/h 10 cal/h to kJ/h Full Calorie/Hour to Kilojoule/Hour converter

Calorie/Hour to Kilojoule/Hour Conversion Table

Calorie/Hour (cal/h)	Kilojoule/Hour (kJ/h)
0.5	0.002092
1	0.004184
2	0.008368
5	0.02092
10	0.04184
15	0.06276
20	0.08368
25	0.1046
50	0.2092
100	0.4184
250	1.046
500	2.092
1000	4.184

Kilojoule/Hour to Calorie/Hour Conversion Table

Kilojoule/Hour (kJ/h)	Calorie/Hour (cal/h)
0.5	119.502868
1	239.005736
2	478.011472
5	1,195.028681
10	2,390.057362
15	3,585.086043
20	4,780.114724
25	5,975.143405
50	11,950.286809
100	23,900.573618
250	59,751.434046
500	119,502.868092
1000	239,005.736183

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.

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

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

How to Convert Calorie/Hour to Kilojoule/Hour

To convert from Calorie/Hour (cal/h) to Kilojoule/Hour (kJ/h), multiply the value by 0.004184.

Formula: kJ/h = cal/h × 0.004184

Reverse: cal/h = kJ/h × 239.0057361834

Step-by-Step Example

Start with your value in Calorie/Hour. For example: 5 cal/h
Multiply by the conversion factor: 5 x 0.004184
The result is: 0.02092 kJ/h

Calorie/Hour and Kilojoule/Hour Relationship

This calculation facilitates standardized conversion between recognized units of power. Since 1 Calorie/Hour represents a fraction of a Kilojoule/Hour (1 Kilojoule/Hour ≈ 239.0057 Calorie/Hours), the Kilojoule/Hour is the larger measurement interval. Understanding the relationship between Calorie/Hour and Kilojoule/Hour is essential for accurate calculations in physics, engineering, commerce, and daily applications.

About Calorie/Hour

The Calorie/Hour (symbol: cal/h) is a recognized unit in the Standard measurement framework, utilized within power applications for precision and standardized data representation.

Common uses of Calorie/Hour: power calculations, engineering and science, education.

About Kilojoule/Hour

The Kilojoule/Hour (symbol: kJ/h) is a recognized unit in the Metric (SI) measurement framework, utilized within power applications for precision and standardized data representation.

Common uses of Kilojoule/Hour: power calculations, engineering and science, education.

Frequently Asked Questions

What is 7 Calorie/Hour in Kilojoule/Hour?: 7 Calorie/Hour equals 0.029288 Kilojoule/Hour.
How many Kilojoule/Hours are in 1 Calorie/Hour?: There are exactly 0.004184 Kilojoule/Hours in 1 Calorie/Hour. This means the conversion factor from Calorie/Hour to Kilojoule/Hour is 0.004184.
What is the formula to convert Calorie/Hour to Kilojoule/Hour?: The formula to convert Calorie/Hour to Kilojoule/Hour is: kJ/h = cal/h × 0.004184. For example, to convert 10 Calorie/Hours to Kilojoule/Hours, you would multiply 10 by 0.004184.
What is a Calorie/Hour?: The Calorie/Hour (symbol: cal/h) is a recognized unit in the Standard measurement framework, utilized within power applications for precision and standardized data representation.
What is a Kilojoule/Hour?: The Kilojoule/Hour (symbol: kJ/h) is a recognized unit in the Metric (SI) measurement framework, utilized within power applications for precision and standardized data representation.
What are the common uses of Calorie/Hour?: The Calorie/Hour is commonly used in power calculations, engineering and science, education.

7 Calorie/Hour to Kilojoule/Hour

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