Question 1

What is 840 nm in eV?

Accepted Answer

840 nm = 1.476 eV. Use the converter on this page to convert to other photon energy units instantly.

Question 2

How do you convert nm to eV?

Accepted Answer

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

Question 3

What is 1.476 eV in nm?

Accepted Answer

1.476 eV = 840.0013 nm.

nm	eV
825 nm	1.5028
830 nm	1.4938
835 nm	1.4848
840	1.476
845 nm	1.4673
850 nm	1.4586
855 nm	1.4501

840 nm to eV

Formula