learn.howToCalculate

learn.whatIsHeading

A photon energy calculator uses Planck's equation (E = hf = hc/λ) to determine the energy of a photon at a given frequency or wavelength. A visible light photon (550 nm green light) has energy of 3.6 × 10⁻¹⁹ joules (2.25 eV). Higher-energy photons (UV, X-rays) cause more biological damage.

Водич корак по корак

1. 1Enter your data
2. 2System calculates

Worked Examples

Common Mistakes to Avoid

• ✕Inaccurate inputs
• ✕Outdated assumptions

Frequently Asked Questions