21 Kilojoules to Ergs
Convert 21 kilojoules (kJ) to ergs (erg) with formulas, examples, and conversion tables.
kJ
erg
21 kJ = 2.1e+11 erg
Full precision:2.1e+11 erg
Step-by-Step Solution
To convert 21 kilojoules to ergs, we multiply by 1e+10 because one kilojoule equals exactly 1e+10 ergs.
1 kilojoule = 1e+10 ergs
Since each kilojoule contains 1e+10 ergs, we multiply our value by this factor:
21 × 1e+10 = 2.1e+11 ergs
So 21 kilojoules = 2.1e+11 ergs.
Quick check: 2.1e+11 ÷ 1e+10 = 21 kilojoules
Kilojoules to Ergs Conversion Table
| Kilojoules | Ergs |
|---|---|
| 1 kJ | 1e+10 erg |
| 2 kJ | 2e+10 erg |
| 3 kJ | 3e+10 erg |
| 4 kJ | 4e+10 erg |
| 5 kJ | 5e+10 erg |
| 10 kJ | 1e+11 erg |
| 20 kJ | 2e+11 erg |
| 21 kJ | 2.1e+11 erg |
| 50 kJ | 5e+11 erg |
| 100 kJ | 1e+12 erg |
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 |