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Decay: Convert Half-Life and Mean Lifetime


half-life = mean lifetime * ln(2)
T½ = Τ * ln(2)
ln(2) = 0.6931471805599...
The unit for both values is an identical time unit, like seconds, hours or years.

half-life:
mean lifetime:

Please enter one value, the other one will be calculated.

See also half-life calculator





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