Math
Exponential Growth Calculator
Project exponential trends using starting values, growth or decay rates, and number of periods—perfect for populations, investments, or decay models.
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Exponential Growth / Decay
Project exponential trends with discrete or continuous compounding.
Future value
1,562.71
Total change
362.71
Growth factor
1.3
Average change per period
60.45
Value at half the periods
1,369.4
Exponential model
Future value = Initial × (1 + rate)ᵗ
Rate is entered as a percent (positive for growth, negative for decay) and t represents the number of compounding periods.
How to use
- Enter an initial amount.
- Set the growth/decay rate per period and the number of periods to apply.
- Review the future value along with total change and a midpoint snapshot.
Example
Input: Initial = 1,200, Rate = 4.5% per year, Periods = 6 years
Output: Future value ≈ 1,561, Total gain ≈ 361
FAQ & notes
Can I solve for the rate instead?
This tool focuses on forward projection. Rearranging the equation manually lets you solve for rate or time when required.
Does it support continuous growth?
Toggle continuous mode to use FV = Initial × e^(rate × time) for natural exponential processes.