21 Kilojoules to Joules
Convert 21 kilojoules (kJ) to joules (J) with formulas, examples, and conversion tables.
kJ
J
21 Kilojoules (kJ) = 21000 Joules (J)
Round to:
Step-by-Step Solution
1Write the conversion factor:
1 Kilojoule = 1000 Joules
2Multiply the value by the conversion factor:
21 × 1000 = 21000
3Result:
21 Kilojoules (kJ) = 21000 Joules (J)
Kilojoules to Joules Conversion Table
| Kilojoules | Joules |
|---|---|
| 1 kJ | 1000 J |
| 2 kJ | 2000 J |
| 3 kJ | 3000 J |
| 4 kJ | 4000 J |
| 5 kJ | 5000 J |
| 10 kJ | 10000 J |
| 20 kJ | 20000 J |
| 21 kJ | 21000 J |
| 50 kJ | 50000 J |
| 100 kJ | 100000 J |
21 Kilojoules in Other Units
| Unit | 21 kJ = |
|---|---|
| Kilojoules to Joules | 21000 J |
| Kilojoules to Megajoules | 0.021 MJ |
| Kilojoules to Gigajoules | 2.1e-5 GJ |
| Kilojoules to Watt-hours | 5.83333333333 Wh |
| Kilojoules to Kilowatt-hours | 0.00583333333333 kWh |
| Kilojoules to Megawatt-hours | 5.83333333333e-6 MWh |
| Kilojoules to Calories | 5019.12045889 cal |
| Kilojoules to Kilocalories | 5.01912045889 kcal |
| Kilojoules to BTU | 19.9040812845 BTU |
| Kilojoules to Therms | 0.00019904159527 therm |
| Kilojoules to Foot-pounds | 15488.7816967 ft·lb |
| Kilojoules to Electronvolts | 1.31071415197e23 eV |
| Kilojoules to Ergs | 2.1e11 erg |