# Joules to Kilojoules Conversion

## How many kilojoules in a joule ?

Joules to kilojoules (J to kJ) conversion table shows the most common values for the quick reference. Alternatively, you may use the converter below to convert any other values.

1 Joule (J) = 0.001 Kilojoules (kJ)

Joule is metric system energy unit (electrical, mechanical or thermal) and defined as the amount of work done by a force of one newton to move an object one meter or a current of one ampere when passing through one ohm resistance for one second. It is named after James Prescott Joule in 19th century. The abbreviation is "J".

Kilojoule is 1000 times of the amount of work done by a force of one newton to move an object one meter. The abbreviation is "kJ".

For other energy unit conversions, please go to Energy Conversions

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## Conversion Table

Joule kJ Joule kJ Joule kJ Joule kJ
1 0.001 26 0.026 51 0.051 76 0.076
2 0.002 27 0.027 52 0.052 77 0.077
3 0.003 28 0.028 53 0.053 78 0.078
4 0.004 29 0.029 54 0.054 79 0.079
5 0.005 30 0.03 55 0.055 80 0.08
6 0.006 31 0.031 56 0.056 81 0.081
7 0.007 32 0.032 57 0.057 82 0.082
8 0.008 33 0.033 58 0.058 83 0.083
9 0.009 34 0.034 59 0.059 84 0.084
10 0.01 35 0.035 60 0.06 85 0.085
11 0.011 36 0.036 61 0.061 86 0.086
12 0.012 37 0.037 62 0.062 87 0.087
13 0.013 38 0.038 63 0.063 88 0.088
14 0.014 39 0.039 64 0.064 89 0.089
15 0.015 40 0.04 65 0.065 90 0.09
16 0.016 41 0.041 66 0.066 100 0.1
17 0.017 42 0.042 67 0.067 125 0.125
18 0.018 43 0.043 68 0.068 150 0.15
19 0.019 44 0.044 69 0.069 175 0.175
20 0.02 45 0.045 70 0.07 200 0.2
21 0.021 46 0.046 71 0.071 250 0.25
22 0.022 47 0.047 72 0.072 300 0.3
23 0.023 48 0.048 73 0.073 500 0.5
24 0.024 49 0.049 74 0.074 750 0.75
25 0.025 50 0.05 75 0.075 1000 1