Normal Distribution Calculator

Normal Distribution Calculator

Mean (μ):

Standard Deviation (σ):

Z-Score 1:

Z-Score 2:

Results:

About Normal Distribution

The normal distribution is a bell-shaped curve where most values cluster around the mean (μ). About 68% of values fall within ±1σ, 95% within ±2σ, and 99.7% within ±3σ.