Convert 8 Kilojoule/Hour (kJ/h) to Foot-Pound/Second (ft·lbf/s).

8 Kilojoule/Hour equals 1.639027 Foot-Pound/Second. Multiply 8 by 0.2048783748.

8 Kilojoule/Hour to Foot-Pound/Second

Worked example: converting Kilojoule/Hour to Foot-Pound/Second

Step 1 — start with the formula. ft·lbf/s = kJ/h × 0.2048783748
Step 2 — substitute your figure. 8 kJ/h × 0.2048783748
Step 3 — read the result. 8 kJ/h = 1.639027 ft·lbf/s
Step 4 — check it in reverse. kJ/h = ft·lbf/s × 4.8809446139 returns 8 kJ/h, which matches the figure you started with.

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From

To

1.639027

8 kJ/h = 1.639027 ft·lbf/s

Formula:

ft·lbf/s = kJ/h × 0.2048783748

With your value: 8 kJ/h = 1.639027 ft·lbf/s

How big is that?

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

Your value8.00 kJ/h

LED bulb (4.0× your value)32.4 kJ/h

Laptop (29× your value)234 kJ/h

Microwave oven (4.5e+2× your value)3.60e+3 kJ/h

Electric kettle (1.4e+3× your value)1.08e+4 kJ/h

Family car engine (4.1e+4× your value)3.24e+5 kJ/h

Other Kilojoule/Hour to Foot-Pound/Second conversions

4 kJ/h to ft·lbf/s 5 kJ/h to ft·lbf/s 6 kJ/h to ft·lbf/s 7 kJ/h to ft·lbf/s 9 kJ/h to ft·lbf/s 10 kJ/h to ft·lbf/s 11 kJ/h to ft·lbf/s Full Kilojoule/Hour to Foot-Pound/Second converter

Kilojoule/Hour to Foot-Pound/Second Conversion Table

Kilojoule/Hour (kJ/h)	Foot-Pound/Second (ft·lbf/s)
0.5	0.102439
1	0.204878
2	0.409757
5	1.024392
10	2.048784
15	3.073176
20	4.097567
25	5.121959
50	10.243919
100	20.487837
250	51.219594
500	102.439187
1000	204.878375

Foot-Pound/Second to Kilojoule/Hour Conversion Table

Foot-Pound/Second (ft·lbf/s)	Kilojoule/Hour (kJ/h)
0.5	2.440472
1	4.880945
2	9.761889
5	24.404723
10	48.809446
15	73.214169
20	97.618892
25	122.023615
50	244.047231
100	488.094461
250	1,220.236153
500	2,440.472307
1000	4,880.944614

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

Foot-Pound/Second (ft·lbf/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 Kilojoule/Hour to Foot-Pound/Second

To convert from Kilojoule/Hour (kJ/h) to Foot-Pound/Second (ft·lbf/s), multiply the value by 0.2048783748.

Formula: ft·lbf/s = kJ/h × 0.2048783748

Reverse: kJ/h = ft·lbf/s × 4.8809446139

Step-by-Step Example

Start with your value in Kilojoule/Hour. For example: 5 kJ/h
Multiply by the conversion factor: 5 x 0.2048783748
The result is: 1.024392 ft·lbf/s

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 Foot-Pound/Second

The foot-pound/second (ft·lbf/s) is a unit of power. One foot-pound/second equals 1.355817948 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 8 Kilojoule/Hour in Foot-Pound/Second?

8 Kilojoule/Hour equals 1.639027 Foot-Pound/Second.

How many Foot-Pound/Second are in 1 Kilojoule/Hour?

There are exactly 0.2048783748 Foot-Pound/Second in 1 Kilojoule/Hour. This means the conversion factor from Kilojoule/Hour to Foot-Pound/Second is 0.2048783748.

What is the formula to convert Kilojoule/Hour to Foot-Pound/Second?

The formula to convert Kilojoule/Hour to Foot-Pound/Second is: ft·lbf/s = kJ/h × 0.2048783748. For example, to convert 10 Kilojoule/Hour to Foot-Pound/Second, you would multiply 10 by 0.2048783748.

What is a Kilojoule/Hour?