Physics Unit Converter

Convert between JEE-relevant units with derivations. Understand why the conversion factor is what it is.

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Frequently Asked Questions

How many eV are in 1 Joule?

1 J = 6.242 × 10¹⁸ eV. Equivalently, 1 eV = 1.602 × 10⁻¹⁹ J. This conversion appears frequently in Modern Physics questions involving photon energy and electron kinetic energy.

What is 1 atmosphere in Pascals?

1 atm = 101,325 Pa ≈ 1.013 × 10⁵ Pa. This is the standard atmospheric pressure at sea level and appears in thermodynamics and gas law problems.