Question 1

What is 685 eV in nm?

Accepted Answer

685 eV = 1.81 nm. Use the converter on this page to convert to other photon energy units instantly.

Question 2

How do you convert eV to nm?

Accepted Answer

Formula: E(eV) = 1239.84 ÷ λ(nm) · f(THz) = E(eV) × 241.799 · E = hc/λ = hf. Multiply your eV value by the appropriate factor to get nm, or use the interactive converter above.

Question 3

What is 1.81 nm in eV?

Accepted Answer

1.81 nm = 684.9956 eV.

eV	nm
670 eV	1.8505
675 eV	1.8368
680 eV	1.8233
685	1.81
690 eV	1.7969
695 eV	1.7839
700 eV	1.7712

685 eV to nm

Formula