Edit either value. Decimals and scientific notation supported.
1
J
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JouleJ
KilojoulekJ
MegajouleMJ
Watt-hourWh
Kilowatt-hourkWh
Thermochemical caloriecal
Kilocalorie (food Calorie)kcal
BTU (international table)BTU (IT)
ElectronvolteV
No units found. Try a name or symbol.
6241509074000000000
eV
esc
JouleJ
KilojoulekJ
MegajouleMJ
Watt-hourWh
Kilowatt-hourkWh
Thermochemical caloriecal
Kilocalorie (food Calorie)kcal
BTU (international table)BTU (IT)
ElectronvolteV
No units found. Try a name or symbol.
CONVERSION
1 J ≈ 6241509074000000000 eV
6 significant figures
10 significant figures
15 significant figures
Precision changes displayed rounding, not calculation accuracy.
FORMULAeV = J × 6241509074460760000
FORMULA & EXAMPLES
How to convert Joules to electronvolts
eV = J × 6241509074460760000
Multiply the J reading by 6241509074460760000.
Worked examples
1 J ≈ 6241509074000000000 eV
1 × 6241509074460760000 ≈ 6241509074000000000
1000 J ≈ 6.241509074e+21 eV
1000 × 6241509074460760000 ≈ 6.241509074e+21
Joules to electronvolts table
Fixed reference · Joule to Electronvolt
Reference values use this page’s named pair and default context. Calculator precision and font settings do not change this table.
Joule (J)
Electronvolt (eV)
0
0
0.1
624150907400000000
0.5
3120754537000000000
1
6241509074000000000
2
12483018150000000000
5
31207545370000000000
10
62415090740000000000
25
156037726900000000000
50
312075453700000000000
100
624150907400000000000
1000
6.241509074e+21
Table results use 10 significant figures; decimal formula coefficients use up to 15. Calculations use the unit definitions before rounding. Extra digits do not improve measurement accuracy.