21 Kilojoules to Megajoules
Convert 21 kilojoules (kJ) to megajoules (MJ) with formulas, examples, and conversion tables.
kJ
MJ
21 kJ = 0.021 MJ
Full precision:0.021 MJ
Step-by-Step Solution
To convert 21 kilojoules to megajoules, we divide by 1000 because one megajoule equals exactly 1000 kilojoules.
1 megajoule = 1000 kilojoules
Since there are 1000 kilojoules in every megajoule, we divide our value by this factor:
21 ÷ 1000 = 0.021 megajoules
So 21 kilojoules = 0.021 megajoules.
Quick check: 0.021 × 1000 = 21 kilojoules
Kilojoules to Megajoules Conversion Table
| Kilojoules | Megajoules |
|---|---|
| 1 kJ | 0.001 MJ |
| 2 kJ | 0.002 MJ |
| 3 kJ | 0.003 MJ |
| 4 kJ | 0.004 MJ |
| 5 kJ | 0.005 MJ |
| 10 kJ | 0.01 MJ |
| 20 kJ | 0.02 MJ |
| 21 kJ | 0.021 MJ |
| 50 kJ | 0.05 MJ |
| 100 kJ | 0.1 MJ |
21 Kilojoules in Other Units
| Unit | 21 kJ = |
|---|---|
| Kilojoules to Joules | 21000 J |
| Kilojoules to Megajoules | 0.021 MJ |
| Kilojoules to Gigajoules | 0.000021 GJ |
| Kilojoules to Watt-hours | 5.8333 Wh |
| Kilojoules to Kilowatt-hours | 0.0058333 kWh |
| Kilojoules to Megawatt-hours | 0.00000583 MWh |
| Kilojoules to Calories | 5019.12 cal |
| Kilojoules to Kilocalories | 5.0191 kcal |
| Kilojoules to BTU | 19.9041 BTU |
| Kilojoules to Therms | 0.00019904 therm |
| Kilojoules to Foot-pounds | 15488.78 ft·lb |
| Kilojoules to Electronvolts | 1.3107e+23 eV |
| Kilojoules to Ergs | 2.1e+11 erg |