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.

## What is doubling time?

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.

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