Thirty thirty thirty rule calculator can be used to estimate the time required to double an investment at a fixed annual rate of return.
Learn how to use the Thirty thirty thirty rule calculator calculator and its working principles
The Thirty thirty thirty rule is a simplified way to estimate the time it takes to double an investment at a fixed annual rate of return. The formula used is:
Time to double investment = 30 / Annual Rate of Return (years)
This rule assumes a constant rate of return and is a quick way to get a rough estimate. For more precise calculations, consider using compound interest formulas or financial calculators.