21 Joules to kJ
Convert 21 joules (J) to kj (kJ) with formulas and conversion tables.
J
kJ
21 Joules (J) = 0.021 kj (kJ)
Round to:
Step-by-Step Solution
1Write the conversion factor:
1 Kilojoule = 1000 Joules
2Divide the value by the conversion factor:
21 ÷ 1000 = 0.021
3Result:
21 Joules (J) = 0.021 kj (kJ)
Joules to kJ Conversion Table
| Joules | kJ |
|---|---|
| 1 J | 0.001 kJ |
| 2 J | 0.002 kJ |
| 5 J | 0.005 kJ |
| 10 J | 0.01 kJ |
| 20 J | 0.02 kJ |
| 21 J | 0.021 kJ |
| 50 J | 0.05 kJ |
| 100 J | 0.1 kJ |
21 Joules in Other Units
| Unit | 21 J = |
|---|---|
| Joules to Wh | 0.005838 Wh |
| Joules to kWh | 5.838e-6 kWh |
| Joules to mWh | 5.838 mWh |
| Joules to mAh | 1.57783783784 mAh |
| Joules to Ah | 0.00157783783784 Ah |
| Joules to kJ | 0.021 kJ |