/convert/j-to-ev/ Convert joules to electron volts instantly with a reference conversion table. article joules to electron volts Converter — 247QuickTools ,{ "@context": "https://schema.org", "@type": "SpeakableSpecification", "cssSelector": [".tool-intro", ".info-gain-section"] }
⚡ Energy

joules to electron volts Converter

Convert joules to electron volts instantly with a reference conversion table.

Quick answer: To convert joules to electron volts, multiply by 6.24151e+18. For example, 1 joules = 6.24151e+18 electron volts. Use the calculator below for any value.
joules to electron volts
Common conversions
joules electron volts
Formula:

How to convert joules to electron volts

1

Enter your value

Type the number of joules you want to convert into the left box. The result in electron volts appears instantly in the right box. You can also type into the right box to convert in the other direction.

2

Use the swap button

Click the ⇄ Swap button to reverse the conversion — electron volts to joules. Your current value carries across so you don't have to re-enter anything.

3

About joules and electron volts

joules and electron volts are common energy measurements.

📊 Common conversions at a glance
joules electron volts
1.6e-19 0.9986
1e-15 6242
1e-12 6.242e+06
1e-09 6.242e+09
1e-06 6.242e+12
0.001 6.242e+15
Reviewed for 2026. joules ↔ electron volts conversion factor verified against published reference data. Built by a UK-based qualified primary teacher and FA Level 2 coach as part of 247QuickTools' free utility-tools project.