21 Kilocalories to Kilojoules
Convert 21 kilocalories (kcal) to kilojoules (kJ) with formulas, examples, and conversion tables.
kcal
kJ
21 kilocalories (kcal) = 87.864 Kilojoules (kJ)
Round to:
Step-by-Step Solution
1Write the conversion factor:
1 kilocalorie = 4.184 Kilojoules
2Multiply the value by the conversion factor:
21 × 4.184 = 87.864
3Result:
21 kilocalories (kcal) = 87.864 Kilojoules (kJ)
Kilocalories to Kilojoules Conversion Table
| Kilocalories | Kilojoules |
|---|---|
| 1 kcal | 4.184 kJ |
| 2 kcal | 8.368 kJ |
| 3 kcal | 12.552 kJ |
| 4 kcal | 16.736 kJ |
| 5 kcal | 20.92 kJ |
| 10 kcal | 41.84 kJ |
| 20 kcal | 83.68 kJ |
| 21 kcal | 87.864 kJ |
| 50 kcal | 209.2 kJ |
| 100 kcal | 418.4 kJ |
21 Kilocalories in Other Units
| Unit | 21 kcal = |
|---|---|
| Kilocalories to Joules | 87864 J |
| Kilocalories to Kilojoules | 87.864 kJ |
| Kilocalories to Megajoules | 0.087864 MJ |
| Kilocalories to Gigajoules | 8.7864e-5 GJ |
| Kilocalories to Watt-hours | 24.4066666667 Wh |
| Kilocalories to Kilowatt-hours | 0.0244066666667 kWh |
| Kilocalories to Megawatt-hours | 2.44066666667e-5 MWh |
| Kilocalories to Calories | 21000 cal |
| Kilocalories to BTU | 83.2786760943 BTU |
| Kilocalories to Therms | 0.000832790034608 therm |
| Kilocalories to Foot-pounds | 64805.0626189 ft·lb |
| Kilocalories to Electronvolts | 5.48402801183e23 eV |
| Kilocalories to Ergs | 8.7864e11 erg |