Weibull Probability Plot Calculator

F(t)=1-e^{-\left(\frac{t}{\eta}\right)^{\beta}},\quad R(t)=e^{-\left(\frac{t}{\eta}\right)^{\beta}}

Probability paper transform: x = ln(t) and y = ln(ln(1/(1-F))). Default fitting: MLE when any censored data exists, otherwise regression.

Units labelMission time (hours)Confidence level (%), v2 placeholder

Y-axis mode

Plot toggles

Show B-life linesShow suspensionsShow confidence band (v2)

Active mission time: 200 hours

Per dataset outputs include beta, eta, B1/B10/B50, MTTF, and mission reliability R(t).

Add at least one dataset to compute Weibull outputs.