Half Life Calculator

Half-Life Calculator is a free online tool that displays the half-life of the chemical substance. BYJU’S online half-life calculator tool makes the calculation faster, and it displays the half-life of the chemical substance in a fraction of seconds.

How to Use the Half-Life Calculator?

The procedure to use the half-life calculator is as follows:
Step 1: Enter the chemical name in the respective input field
Step 2: Now click the button “Submit” to get the result
Step 3: Finally, the half-life of the chemical substance will be displayed in the new window

What is Meant by Half-Life?

The word “half-life” is most generally used with atoms encountering the radioactive decay but can be used to interpret different kinds of decay, whether exponential or not. Half-life defines the time taken for the substance that undergoes the decaying process to reduce by half. It describes the quantities encountering exponential decay wherever the half-life is consistent over the complete period of the decay. It is a particular unit for the exponential decay equation. But, a half-life can also be determined for non-exponential decay processes, though the half-life differs completely in the decay process. One of the most recognized uses of half-life is carbon-14 dating. The half-life of carbon-14 is about 5,730 years, and it can be surely used to estimate dates up to approximately 50,000 years ago. The following formula can calculate the exponential decay process:

N(t) = N0 (1/2)t/t1/2


N(t) = the quantity still remains and has not decayed yet after time “t.”

N0 = the initial quantity of the substance.

t1/2 = the half-life of the decaying quantity.

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