Doubling Time Calculator

Enter the total % increase per period into the calculator. The calculator will evaluate and display the total periods (time) it takes for that value to double.

Doubling Time Formula

The following formula is used to calculate the number of periods it takes to double given the percent increase of a value per period.

dt = log(2) / log(1 + i)

  • Where dt is the doubling time
  • i is the increase per period.

Doubling Time Definition

Doubling time is a term used to describe the number of periods or total time it takes a value, usually a financial value, to double it’s value.

Doubling Time Example

How to calculate doubling time?

  1. First, determine the total increase per period.

    Measure the total increase per period from 0.

  2. Next, calculate the doubling time.

    Using the formula above, calculate the doubling time.


What is doubling time?

Doubling time is the number of periods it takes a given value to double given a constant rate of increase.

doubling time calculator
doubling time formula