Compare · Half-Life Calculator
Two independent scenarios side by side.
Scenario A
Half-life
Remaining
62.5000
6.25% of original · 4.00 half-lives
Decayed
937.5000
Decay constant λ
0.138629
Per unit of time
Mean lifetime τ
7.2135
T½ / ln(2)
Scenario B
Half-life
Remaining
62.5000
6.25% of original · 4.00 half-lives
Decayed
937.5000
Decay constant λ
0.138629
Per unit of time
Mean lifetime τ
7.2135
T½ / ln(2)