How does the Kaplan Meier Calculator work?

Accounts for censored observations (subjects still alive at study end) Then: S(t) = ∏(1 - di/ni) for times ≤ t Then: di = events at time i, ni = at risk Then: Visualized as step function (survival curve).

Can you give an example of how to use the Kaplan Meier Calculator?

Example: Input Survival times gives a result of Survivor curve.

Is the Kaplan Meier Calculator free to use?

Yes — completely free with no registration, download, or subscription required. All calculations happen instantly in your browser.

How accurate is the Kaplan Meier Calculator?

Our Kaplan Meier Calculator uses verified mathematical formulas and is accurate to multiple decimal places. Results are calculated in real-time using the same methods used by professionals.

数学

Kaplan Meier Calculator

Kaplan-Meier Survival

Events (0=censored, 1=event)

Times

Applies Kaplan-Meier survival estimator calculating proportion surviving over time.

Symbol	Name	Unit	Description
S	∏(1 - di/ni) for times ≤ t	—	∏(1 - di/ni) for times ≤ t

Difficulty:advanced

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Did You Know?

Kaplan-Meier estimator standard in clinical trials; censoring critical for realistic estimates.

References

›Kaplan-Meier Estimator

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Kaplan Meier Calculator

Kaplan-Meier Survival

是什么 Kaplan Meier Calculator?

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Kaplan-Meier Survival