2.1 Joules to Kilojoules
Convert 2.1 joules (J) to kilojoules (kJ) with formulas, examples, and conversion tables.
J
kJ
2.1 Joules (J) = 0.0021 Kilojoules (kJ)
Round to:
Step-by-Step Solution
1Write the conversion factor:
1 Kilojoule = 1000 Joules
2Divide the value by the conversion factor:
2.1 ÷ 1000 = 0.0021
3Result:
2.1 Joules (J) = 0.0021 Kilojoules (kJ)
Joules to Kilojoules Conversion Table
| Joules | Kilojoules |
|---|---|
| 1 J | 0.001 kJ |
| 2 J | 0.002 kJ |
| 2.1 J | 0.0021 kJ |
| 3 J | 0.003 kJ |
| 4 J | 0.004 kJ |
| 5 J | 0.005 kJ |
| 10 J | 0.01 kJ |
| 20 J | 0.02 kJ |
| 50 J | 0.05 kJ |
| 100 J | 0.1 kJ |
2.1 Joules in Other Units
| Unit | 2.1 J = |
|---|---|
| Joules to Kilojoules | 0.0021 kJ |
| Joules to Megajoules | 2.1e-6 MJ |
| Joules to Gigajoules | 2.1e-9 GJ |
| Joules to Watt-hours | 0.000583333333333 Wh |
| Joules to Kilowatt-hours | 5.83333333333e-7 kWh |
| Joules to Megawatt-hours | 5.83333333333e-10 MWh |
| Joules to Calories | 0.501912045889 cal |
| Joules to Kilocalories | 0.000501912045889 kcal |
| Joules to BTU | 0.00199040812845 BTU |
| Joules to Therms | 1.9904159527e-8 therm |
| Joules to Foot-pounds | 1.54887816967 ft·lb |
| Joules to Electronvolts | 1.31071415197e19 eV |
| Joules to Ergs | 21000000 erg |