Initial Value Exponential Decay Calculator

Understanding Exponential Decay

Exponential decay describes the decrease in a quantity over time. It's commonly observed in various phenomena like radioactive decay, drug metabolism, and depreciation of assets. The formula to calculate the final value (FV) after exponential decay from an initial value (IV) is:

FV = IV * (1 - Decay Rate)^Time

This calculator works in reverse, finding the initial value (IV) when you know the final value, decay rate, and time. The decay rate is the percentage decrease per time period, expressed as a decimal (e.g., 10% decay rate is 0.1). Time is the duration over which the decay occurs. Use this tool to easily determine the starting amount before exponential decay took place.

For further reading on exponential decay, you can refer to resources like Wikipedia's article on Exponential Decay.