Convert ergs to kilocalories
1 erg = 0.0000000000239005736138 kcal — exactly. Both units are defined against the SI, so this factor is a fraction, not an approximation.
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Show this value in all 39 energy & work units
- Petajoules PJ 1e-22
- Terajoules TJ 1e-19
- Gigajoules GJ 1e-16
- Megajoules MJ 1e-13
- Kilojoules kJ 1e-10
- Joules J 0.000 000 1
- Millijoules mJ 0.0001
- Microjoules µJ 0.1
- Nanojoules nJ 100
- Watt-hours Wh 2.77777777778e-11
- Kilowatt-hours kWh 2.77777777778e-14
- Megawatt-hours MWh 2.77777777778e-17
- Gigawatt-hours GWh 2.77777777778e-20
- Terawatt-hours TWh 2.77777777778e-23
- Calorie (thermochemical)s cal 2.39005736138e-8
- Kilocalories kcal 2.39005736138e-11
- Calorie (IT)s cal (IT) 2.38845896627e-8
- Kilocalorie (IT)s kcal (IT) 2.38845896627e-11
- British thermal units BTU 9.47817120313e-11
- BTU (thermochemical)s BTU (th) 9.48451652677e-11
- Million BTUs MMBTU 9.47817120313e-17
- Therm (US)s thm 9.48043427973e-16
- Therm (EC)s thm (EC) 9.47816987913e-16
- Electronvolts eV 624 150 907 446
- Kiloelectronvolts keV 624 150 907.446
- Megaelectronvolts MeV 624 150.907 446
- Gigaelectronvolts GeV 624.150 907 446
- Teraelectronvolts TeV 0.624 150 907 446
- Ergs erg 1
- Foot-pounds ft·lbf 7.37562149277e-8
- Inch-pounds in·lbf 0.000 000 885 074 579 133
- Foot-poundals ft·pdl 0.000 002 373 036 040 42
- Horsepower-hours hp·h 3.72506135999e-14
- Tonne of TNTs t TNT 2.39005736138e-17
- Kiloton of TNTs kt TNT 2.39005736138e-20
- Megaton of TNTs Mt TNT 2.39005736138e-23
- Hartrees Eₕ 22 937 122 784
- Rydbergs Ry 45 874 245 567.9
- Quads quad 9.47817120313e-26
Every row is Erg converted through the joule, in exact rational arithmetic.
How to convert ergs to kilocalories
Multiply the number of ergs by 0.0000000000239005736138 to get kilocalories.
Kilocalorie: The Calorie on food labels — 1000 small calories.
Erg to Kilocalorie conversion table
| Ergs (erg) | Kilocalories (kcal) |
|---|---|
| 1 erg | 2.3900574e-11 |
| 2 erg | 4.7801147e-11 |
| 3 erg | 7.1701721e-11 |
| 5 erg | 1.1950287e-10 |
| 10 erg | 2.3900574e-10 |
| 20 erg | 4.7801147e-10 |
| 25 erg | 5.9751434e-10 |
| 50 erg | 1.1950287e-9 |
| 100 erg | 2.3900574e-9 |
| 250 erg | 5.9751434e-9 |
| 500 erg | 1.1950287e-8 |
| 1000 erg | 2.3900574e-8 |
Kilocalorie to Erg conversion table
| Kilocalories (kcal) | Ergs (erg) |
|---|---|
| 1 kcal | 41 840 000 000 |
| 2 kcal | 83 680 000 000 |
| 3 kcal | 125 520 000 000 |
| 5 kcal | 209 200 000 000 |
| 10 kcal | 418 400 000 000 |
| 20 kcal | 836 800 000 000 |
| 25 kcal | 1 046 000 000 000 |
| 50 kcal | 2 092 000 000 000 |
| 100 kcal | 4 184 000 000 000 |
| 250 kcal | 10 460 000 000 000 |
| 500 kcal | 20 920 000 000 000 |
| 1000 kcal | 41 840 000 000 000 |
Frequently asked
How many kilocalories are in a erg?
One erg equals 2.390057361e-11 kilocalories (erg → kcal). That figure is exact, not rounded.
How do you convert ergs to kilocalories?
Multiply the number of ergs by 0.0000000000239005736138 to get kilocalories.
What is 1 kcal in ergs?
One kilocalorie is 41840000000 ergs.
What is 10 erg in kcal?
10 erg = 2.3900574e-10 kcal.
What exactly is a kilocalorie?
The Calorie on food labels — 1000 small calories.