Rule of 72
म्हणूनही ओळखले जाते: Doubling Time Rule
t \approx \frac{72}{r}
t ≈ 72 / rहे काय गणना करते
A quick mental math shortcut to estimate how many years it takes for an investment to double at a given annual rate of return.
चल
| प्रतीक | नाव | वर्णन |
|---|---|---|
| t | Doubling Time | Approximate years for an investment to double |
| r | Annual Rate | Annual interest rate as a percentage (not decimal) |
काम केलेली उदाहरणे
1
t = 72 / 8 = 9 yearsपरिणाम: ~9 years
कॅल्क्युलेटर वापरून पहा
संबंधित सूत्रे
#mental math#investing#doubling