Question 1

What is 128.5 nm in eV?

Accepted Answer

128.5 nm = 9.6486 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 9.6486 eV in nm?

Accepted Answer

9.6486 eV = 128.4997 nm.

nm	eV
113.5 nm	10.9237
118.5 nm	10.4628
123.5 nm	10.0392
128.5	9.6486
133.5 nm	9.2872
138.5 nm	8.9519
143.5 nm	8.64

128.5 nm to eV

Formula