Convert electronvolts to megajoules
1 eV = 0.0000000000000000000000001602176634 MJ — 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 1.602176634e-34
- Terajoules TJ 1.602176634e-31
- Gigajoules GJ 1.602176634e-28
- Megajoules MJ 1.602176634e-25
- Kilojoules kJ 1.602176634e-22
- Joules J 1.602176634e-19
- Millijoules mJ 1.602176634e-16
- Microjoules µJ 1.602176634e-13
- Nanojoules nJ 1.602176634e-10
- Watt-hours Wh 4.45049065e-23
- Kilowatt-hours kWh 4.45049065e-26
- Megawatt-hours MWh 4.45049065e-29
- Gigawatt-hours GWh 4.45049065e-32
- Terawatt-hours TWh 4.45049065e-35
- Calorie (thermochemical)s cal 3.82929405832e-20
- Kilocalories kcal 3.82929405832e-23
- Calorie (IT)s cal (IT) 3.82673314703e-20
- Kilocalorie (IT)s kcal (IT) 3.82673314703e-23
- British thermal units BTU 1.51857044347e-22
- BTU (thermochemical)s BTU (th) 1.5195870764e-22
- Million BTUs MMBTU 1.51857044347e-28
- Therm (US)s thm 1.51893302832e-27
- Therm (EC)s thm (EC) 1.51857023134e-27
- Electronvolts eV 1
- Kiloelectronvolts keV 0.001
- Megaelectronvolts MeV 0.000 001
- Gigaelectronvolts GeV 1e-9
- Teraelectronvolts TeV 1e-12
- Ergs erg 1.602176634e-12
- Foot-pounds ft·lbf 1.18170484169e-19
- Inch-pounds in·lbf 1.41804581003e-18
- Foot-poundals ft·pdl 3.80202289561e-18
- Horsepower-hours hp·h 5.96820627119e-26
- Tonne of TNTs t TNT 3.82929405832e-29
- Kiloton of TNTs kt TNT 3.82929405832e-32
- Megaton of TNTs Mt TNT 3.82929405832e-35
- Hartrees Eₕ 0.036 749 322 175 7
- Rydbergs Ry 0.073 498 644 351 3
- Quads quad 1.51857044347e-37
Every row is Electronvolt (eV) converted through the joule, in exact rational arithmetic.
How to convert electronvolts to megajoules
Multiply the number of electronvolts by 0.0000000000000000000000001602176634 to get megajoules.
The exact factor is 0.0000000000000000000000001602176634 — as a fraction, 801088317/5000000000000000000000000000000000.
Electronvolt: Exactly 1.602 176 634 × 10⁻¹⁹ J since the 2019 SI redefinition.
Electronvolt to Megajoule conversion table
| Electronvolts (eV) | Megajoules (MJ) |
|---|---|
| 1 eV | 1.6021766e-25 |
| 2 eV | 3.2043533e-25 |
| 3 eV | 4.8065299e-25 |
| 5 eV | 8.0108832e-25 |
| 10 eV | 1.6021766e-24 |
| 20 eV | 3.2043533e-24 |
| 25 eV | 4.0054416e-24 |
| 50 eV | 8.0108832e-24 |
| 100 eV | 1.6021766e-23 |
| 250 eV | 4.0054416e-23 |
| 500 eV | 8.0108832e-23 |
| 1000 eV | 1.6021766e-22 |
Megajoule to Electronvolt conversion table
| Megajoules (MJ) | Electronvolts (eV) |
|---|---|
| 1 MJ | 6.2415091e+24 |
| 2 MJ | 1.2483018e+25 |
| 3 MJ | 1.8724527e+25 |
| 5 MJ | 3.1207545e+25 |
| 10 MJ | 6.2415091e+25 |
| 20 MJ | 1.2483018e+26 |
| 25 MJ | 1.5603773e+26 |
| 50 MJ | 3.1207545e+26 |
| 100 MJ | 6.2415091e+26 |
| 250 MJ | 1.5603773e+27 |
| 500 MJ | 3.1207545e+27 |
| 1000 MJ | 6.2415091e+27 |
Frequently asked
How many megajoules are in a electronvolt?
One electronvolt equals 1.602176634e-25 megajoules (eV → MJ). That figure is exact, not rounded.
How do you convert electronvolts to megajoules?
Multiply the number of electronvolts by 0.0000000000000000000000001602176634 to get megajoules.
What is 1 MJ in electronvolts?
One megajoule is 6.241509074e+24 electronvolts.
What is 10 eV in MJ?
10 eV = 1.6021766e-24 MJ.
What exactly is a electronvolt?
Exactly 1.602 176 634 × 10⁻¹⁹ J since the 2019 SI redefinition.