Survival Rate Calculator
Analyze survival and mortality rates for biological and clinical studies.
Survival Data
Survival Rate Formula
S = Nt / N0 x 100%
Nt = survivors, N0 = initial count
Survival Rate
75.0%
75 of 100 survived
Survival Statistics
Mortality Rate25.0%
Deaths25
Survival per month97.63%
Hazard Rate (Z)0.0240 per month
Median Survival (t1/2)28.9 months
Mean Survival Time41.7 months
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Editorial Note
MyCalcBuddy Editorial Team
This page is maintained as an educational calculator reference.
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Formula Source: Standard Mathematical References
by Various
🔄Last reviewed: May 2026
✓Formula checks are based on standard references and internal QA review.