Convert Electronvolt mass to Newtons
Convert Electronvolt mass (eV/c²) to Newtons (N) instantly and accurately.
Conversion Formula
N = eV/c² × 1.748194153e-35
About Electronvolt mass
In particle physics, mass and energy are interchangeable via Einstein's E = mc². The electronvolt (eV) as a mass unit equals the mass equivalent of 1 eV of energy (approximately 1.783 × 10⁻³⁶ kg). Particle masses at the subatomic scale are routinely expressed in MeV/c² or GeV/c² - the proton mass is 938.3 MeV/c², and the electron is 0.511 MeV/c². The Higgs boson, discovered at CERN in 2012, has a mass of approximately 125.25 GeV/c². This unit is exclusively used in high-energy physics and quantum field theory, where conventional mass units like grams would require impossibly small exponents.
About Newtons
The newton (N) is the SI unit of force, but because weight is technically the gravitational force on a mass, newtons are the scientifically correct unit for what most people call 'weight.' At standard gravity (9.80665 m/s²), 1 kg of mass exerts a weight force of approximately 9.81 N. Scales in physics labs and engineering contexts display results in newtons rather than kilograms. The distinction matters in aerospace and high-altitude contexts: an astronaut's mass stays constant at, say, 70 kg, but their weight in newtons changes from ~686 N on Earth's surface to nearly 0 N in free-fall orbit.
Quick Reference Table
| Electronvolt mass (eV/c²) | Newtons (N) |
|---|---|
| 1 eV/c² | 1.748 × 10-35 N |
| 2 eV/c² | 3.496 × 10-35 N |
| 5 eV/c² | 8.741 × 10-35 N |
| 10 eV/c² | 1.748 × 10-34 N |
| 25 eV/c² | 4.37 × 10-34 N |
| 50 eV/c² | 8.741 × 10-34 N |
| 100 eV/c² | 1.748 × 10-33 N |