21 Kilocalories to Gigajoules

Convert 21 kilocalories (kcal) to gigajoules (GJ) with formulas, examples, and conversion tables.

kcal
GJ
21 kilocalories (kcal) = 8.7864e-5 Gigajoules (GJ)
Round to:
Step-by-Step Solution
1Write the conversion factor:
1 Gigajoule = 239005.736138 kilocalories
2Divide the value by the conversion factor:
21 ÷ 239005.736138 = 8.7864e-5
3Result:
21 kilocalories (kcal) = 8.7864e-5 Gigajoules (GJ)
↔ Gigajoules to Kilocalories

Kilocalories to Gigajoules Conversion Table

KilocaloriesGigajoules
1 kcal4.184e-6 GJ
2 kcal8.368e-6 GJ
3 kcal1.2552e-5 GJ
4 kcal1.6736e-5 GJ
5 kcal2.092e-5 GJ
10 kcal4.184e-5 GJ
20 kcal8.368e-5 GJ
21 kcal8.7864e-5 GJ
50 kcal0.0002092 GJ
100 kcal0.0004184 GJ

21 Kilocalories in Other Units

Unit21 kcal =
Kilocalories to Joules87864 J
Kilocalories to Kilojoules87.864 kJ
Kilocalories to Megajoules0.087864 MJ
Kilocalories to Gigajoules8.7864e-5 GJ
Kilocalories to Watt-hours24.4066666667 Wh
Kilocalories to Kilowatt-hours0.0244066666667 kWh
Kilocalories to Megawatt-hours2.44066666667e-5 MWh
Kilocalories to Calories21000 cal
Kilocalories to BTU83.2786760943 BTU
Kilocalories to Therms0.000832790034608 therm
Kilocalories to Foot-pounds64805.0626189 ft·lb
Kilocalories to Electronvolts5.48402801183e23 eV
Kilocalories to Ergs8.7864e11 erg

Related Conversions

5 kcal to GJ10 kcal to GJ20 kcal to GJ8.8e-5 GJ to kcalGigajoules to Kilocalories ConverterKilocalories to Gigajoules Converter