Kilojoules to Watt-seconds Conversion

Enter the energy in kilojoules below to get the value converted to watt-seconds.

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1 kJ = 1,000 Ws
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How to Convert Kilojoules to Watt-seconds

To convert a kilojoule measurement to a watt-second measurement, multiply the energy by the conversion ratio.

Since one kilojoule is equal to 1,000 watt-seconds, you can use this simple formula to convert:

watt-seconds = kilojoules × 1,000

The energy in watt-seconds is equal to the kilojoules multiplied by 1,000.

For example, here's how to convert 5 kilojoules to watt-seconds using the formula above.
5 kJ = (5 × 1,000) = 5,000 Ws

How Many Watt-seconds Are in a Kilojoule?

There are 1,000 watt-seconds in a kilojoule, which is why we use this value in the formula above.

1 kJ = 1,000 Ws

Kilojoules and watt-seconds are both units used to measure energy. Keep reading to learn more about each unit of measure.

Kilojoules

One kilojoule is equal to 1,000 joules, which are the energy equal to the force on an object of one newton at a distance of one meter.

The kilojoule is a multiple of the joule, which is the SI derived unit for energy. In the metric system, "kilo" is the prefix for 103. Kilojoules can be abbreviated as kJ; for example, 1 kilojoule can be written as 1 kJ.

Watt-seconds

The watt-second is a measure of electrical energy equal to one watt of power over a one second period. One watt-second is equal to 1/3,600 of a watt-hour or one joule.

Watt-seconds are usually abbreviated as Ws, although the formally adopted expression is W·s. The abbreviation W s is also sometimes used. For example, 1 watt-second can be written as 1 Ws, 1 W·s, or 1 W s.

In formal expressions, the centered dot (·) or space is used to separate units used to indicate multiplication in an expression and to avoid conflicting prefixes being misinterpreted as a unit symbol.[1]

Kilojoule to Watt-second Conversion Table

Kilojoule measurements converted to watt-seconds
Kilojoules Watt-seconds
0.001 kJ 1 Ws
0.002 kJ 2 Ws
0.003 kJ 3 Ws
0.004 kJ 4 Ws
0.005 kJ 5 Ws
0.006 kJ 6 Ws
0.007 kJ 7 Ws
0.008 kJ 8 Ws
0.009 kJ 9 Ws
0.01 kJ 10 Ws
0.02 kJ 20 Ws
0.03 kJ 30 Ws
0.04 kJ 40 Ws
0.05 kJ 50 Ws
0.06 kJ 60 Ws
0.07 kJ 70 Ws
0.08 kJ 80 Ws
0.09 kJ 90 Ws
0.1 kJ 100 Ws
0.2 kJ 200 Ws
0.3 kJ 300 Ws
0.4 kJ 400 Ws
0.5 kJ 500 Ws
0.6 kJ 600 Ws
0.7 kJ 700 Ws
0.8 kJ 800 Ws
0.9 kJ 900 Ws
1 kJ 1,000 Ws

References

  1. Bureau International des Poids et Mesures, The International System of Units (SI), 9th edition, 2019, https://www.bipm.org/documents/20126/41483022/SI-Brochure-9-EN.pdf

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