Half-Life Calculator ⚛️
Calculate radioactive decay using the half-life formula:
Half-Life Calculator Guide & Information
Learn how radioactive decay works, why half-life is important, and view real-world examples.
What is Half-Life?
Half-life is the time required for a substance to decay to half of its original amount. It is commonly used in physics, chemistry, archaeology, and medicine.
How This Calculator Works
The tool uses the decay formula N(t) = N₀ (1/2)^(t / t₀.₅) and automatically converts units like minutes, hours, days, and years for accurate calculations.
Why Unit Conversion Matters
Half-life and elapsed time may be in different units. The calculator converts everything to seconds internally to ensure correct decay calculations.
Where Half-Life Is Used
Half-life calculations are used in radioactive decay, radiocarbon dating, nuclear medicine, battery discharge rates, and chemical reactions.
What The Steps Show
Each step explains the formula with LaTeX, including unit conversion, number of half-lives, decay factor, and remaining amount calculations.
Frequently Asked Questions
Example Calculations
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