Electronvolt to Joule
1 eV = 1.6022e-19 J
Convert Electronvolt (eV) to Joule (J) with engineering-grade precision. Instant results, formula, and reference table below.
1 Electronvolt ≈0 Joule
How to convert Electronvolt to Joule (eV to J)
Converting Electronvolts to Joules is critical for developers working with international data standards or scientific applications. This tool performs the calculation entirely on your client (browser) using JavaScript/WASM, ensuring zero latency and maximum privacy.
The Formula
1 eV = 1.60218e-19 J
Calculation Example
Let's say you want to convert 5 eV to J:
- Input: 5 eV
- Calculation: 5 × 1.60218e-19
- Result: 0.0000 J
About the Electronvolt to Joule conversion
The conversion factor from Electronvolt (eV) to Joule (J) is 1.6022e-19, meaning 1 eV = 1.6022e-19 J and inversely 1 J = 6.2415e+18 eV. That makes the Joule the larger of the two units in the energy category, where the SI base unit is the joule. Every ratio here is derived from the SI/international definition rather than a rounded approximation, so results are stable across repeated conversions.
Need the reverse? Use the Joule to Electronvolt converter.
Frequently Asked Questions
How do I convert Electronvolt to Joule?
To convert Electronvolt to Joule, you need to multiply the eV value by 1.60218e-19.
What is the formula for eV to J?
The simple formula is: J = eV × 1.60218e-19.
Which is bigger: Electronvolt or Joule?
A Joule is bigger. One Joule is equal to approx 6241495961752113152.0000 Electronvolts.
How many Electronvolts are in one Joule?
There are approximately 6.24150e+18 Electronvolts in one Joule.
Quick Conversion Table
| eV | J |
|---|---|
| 1 | 0.0000 |
| 5 | 0.0000 |
| 10 | 0.0000 |
| 20 | 0.0000 |
| 50 | 0.0000 |
| 100 | 0.0000 |