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University of Groningenfounded in 1614  -  top 100 university
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Greek alphabet

Greek letters, and the quantities and units they are used for.

letter lowercase used for uppercase used for
alpha α alpha particle Α
beta β beta paticle Β
gamma γ gamma photon Γ gamma constant
delta δ Δ
epsilon ε electron capture Ε
zeta ζ Ζ
eta η Η
theta θ Θ
iota ι Ι
kappa κ Κ
lambda λ decay constant Λ
mu μ attenuation coefficient Μ
nu ν frequency
neutrino
Ν
xi ξ Ξ
omicron ο Ο
pi π 180º Π
rho ρ density Ρ
sigma σ standard deviation Σ summation sign
tau τ Τ
upsilon υ Υ
phi φ flux density Φ fluence
chi χ Χ
psi ψ Ψ
omega ω Ω ohm
solid angle
Last modified:30 December 2025 1.04 p.m.
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