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Energy

Browse Energy conversions

1 joule = 6.241509e18 electronvolt

Reviewed June 18, 2026 Linear conversions use exact SI and international definitions where available. No account, tracking login, or third-party scoring required.
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Formula Summary

Result: 1 joule = 6.241509e18 electronvolt

Formula: (1 x 1) / 0

Rounding: Displayed to 6 decimal places by default, trimmed for readability. Use Detailed or Scientific for more precision.

How This Conversion Works

Joule and electronvolt are both used for energy conversions. This page converts 1 joule into 6.241509e18 electronvolt using the formula shown below.

Use this result for quick checks, comparisons, and everyday reference. For work that depends on exact precision, review the rounding setting and the assumption note before using the number.

The precision controls let you switch between a shorter result, the standard readable result, and scientific notation when the value is very large or very small.

Unit Notes
  • joule (J) is the base unit used for energy conversions.
  • 1 electronvolt (eV) equals 1.602176634e-19 joule.

Questions

How do you convert joule to electronvolt?

This page converts joule to electronvolt using this formula: (1 x 1) / 0.

What is 1 joule in electronvolt?

1 joule equals 6.241509e18 electronvolt.

How many decimals does this converter show?

Displayed to 6 decimal places by default, trimmed for readability. Use Detailed or Scientific for more precision. The precision buttons can also show a shorter result or scientific notation.

Equivalent Values
1 joule
0.001 kilojoule
0.2390057361 calorie
0.0002390057 kilocalorie
0.0002777778 watt-hour
0.0000002778 kilowatt-hour
0.0009478171 British thermal unit
6.2415090745e18 electronvolt
0.0000000095 therm
Nearby Values
0.5 joule 3.1207545372e18 electronvolt
1 joule 6.2415090745e18 electronvolt
2 joule 1.2483018149e19 electronvolt
5 joule 3.1207545372e19 electronvolt
10 joule 6.2415090745e19 electronvolt
Full Details
Formula
(1 x 1) / 0
Rounding
Displayed to 6 decimal places by default, trimmed for readability. Use Detailed or Scientific for more precision.
Assumption
Energy units use SI definitions. Calorie is the thermochemical calorie at 4.184 joules. BTU is the International Table BTU.

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