Convert ergs to watt-hours
1 erg = 0.0000000000277777777778 Wh — exactly. Both units are defined against the SI, so this factor is a fraction, not an approximation.
2.77777777778e-11Wh
As a fraction: 1/36000000000
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1 erg = 0.0000000000277777777778 Wh
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 watt-hours
Multiply the number of ergs by 0.0000000000277777777778 to get watt-hours.
Erg to Watt-hour conversion table
| Ergs (erg) | Watt-hours (Wh) |
|---|---|
| 1 erg | 2.7777778e-11 |
| 2 erg | 5.5555556e-11 |
| 3 erg | 8.3333333e-11 |
| 5 erg | 1.3888889e-10 |
| 10 erg | 2.7777778e-10 |
| 20 erg | 5.5555556e-10 |
| 25 erg | 6.9444444e-10 |
| 50 erg | 1.3888889e-9 |
| 100 erg | 2.7777778e-9 |
| 250 erg | 6.9444444e-9 |
| 500 erg | 1.3888889e-8 |
| 1000 erg | 2.7777778e-8 |
Watt-hour to Erg conversion table
| Watt-hours (Wh) | Ergs (erg) |
|---|---|
| 1 Wh | 36 000 000 000 |
| 2 Wh | 72 000 000 000 |
| 3 Wh | 108 000 000 000 |
| 5 Wh | 180 000 000 000 |
| 10 Wh | 360 000 000 000 |
| 20 Wh | 720 000 000 000 |
| 25 Wh | 900 000 000 000 |
| 50 Wh | 1 800 000 000 000 |
| 100 Wh | 3 600 000 000 000 |
| 250 Wh | 9 000 000 000 000 |
| 500 Wh | 18 000 000 000 000 |
| 1000 Wh | 36 000 000 000 000 |
Frequently asked
How many watt-hours are in a erg?
One erg equals 2.777777778e-11 watt-hours (erg → Wh). That figure is exact, not rounded.
How do you convert ergs to watt-hours?
Multiply the number of ergs by 0.0000000000277777777778 to get watt-hours.
What is 1 Wh in ergs?
One watt-hour is 36000000000 ergs.
What is 10 erg in Wh?
10 erg = 2.7777778e-10 Wh.