Question 1

What is 21 eV in nm?

Accepted Answer

21 eV = 59.0401 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 59.0401 nm in eV?

Accepted Answer

59.0401 nm = 21 eV.

eV	nm
15 eV	82.6561
17 eV	72.9319
19 eV	65.2548
21	59.0401
23 eV	53.9062
25 eV	49.5937
27 eV	45.9201

21 eV to nm

Formula