Exact doubling time for an interest rate
Description
For periodic compounding, the exact doubling time for an interest rate of r per period is a logarithmic formula, that can be used if we want to know the number of periods it takes for the initial value to rise by 100%.
Related formulasVariables
| T | Exact doubling time ( number of periods required) (dimensionless) |
| r | Interest rate( i per period) (dimensionless) |