10 joules to kilojoules

10 J = 0.01 kJ. Change the amount below, or read the formula and the reference table further down.

10 joules equals

0.01kilojoules

1 J = 0.001 kJ

The formula

Joules and kilojoules both measure energy from the same zero, so a single multiplier does the job.

kJ = J × 0.001

Going the other way? Convert kilojoules to joules.

Joules to kilojoules table

Values either side of 10 J.

Joules (J)Kilojoules (kJ)
00
10.001
20.002
30.003
40.004
50.005
60.006
70.007
80.008
90.009
100.01
110.011
120.012
130.013
140.014
150.015
160.016
170.017
180.018
190.019
200.02

Questions people ask

How many kilojoules are in a joule?
One joule equals 0.001 kilojoules.
How do I convert joules to kilojoules by hand?
Multiply the number of joules by 0.001. For a rough check, 0.001 is close enough for most everyday use.
What is 10 joules in kilojoules?
10 joules is 0.01 kilojoules.

Calcuit generates this page from a unit table, so the factors here match every other page on the site.

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