Lognormal Distribution Calculator

Lognormal distribution: log of the variable is normal with mean μ and std dev σ.

Parameters

μ (log-mean)

σ (log-sd)

Value x

Result

Density f(x)

0.7979

P(X ≤ x)

0.5000

P(X > x)

0.5000

Mean / Variance

1.1331 / 0.3647

Probability density