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A half-life calculator determines the time for any quantity to decrease by half under exponential decay: N(t) = N₀ × (1/2)^(t/T). Applications range from radioactive decay (carbon-14 half-life: 5,730 years) to drug pharmacokinetics (aspirin half-life: 3–5 hours) and population decline modeling.

Trinn-for-trinn guide

1. 1Input decay rate or half-life
2. 2Calculate remaining amount over time
3. 3Apply exponential decay

Løste eksempler

Vanlige feil å unngå

• ✕Not double-checking results
• ✕Ignoring edge cases

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