# Tripling Time Calculator

Written by:
PK

On this page is a tripling time calculator. Enter a rate of return in percentage form, and the tool will tell you how many periods at that rate of return it'll take something to triple.

## Tripling Time Formula

The tripling time formula is:

tripling\ time=\frac{\ln(3)}{\ln(1+rate)}

Where rate is the percentage increase you expect in each period, expressed as a decimal (so 7% would be ".07"). The result will show you how many periods it'd take at a constant rate you choose to triple.

## Using the Tripling Time Calculator

To use the tripling time calculator, enter how quickly an investment or number is gaining or appreciating. Negative returns or percentages show how many periods in the past the number was 3x as high.

Also, try the doubling time calculator and quadrupling time calculator.

### PK

PK started DQYDJ in 2009 to research and discuss finance and investing and help answer financial questions. He's expanded DQYDJ to build visualizations, calculators, and interactive tools.

PK is in his mid-30s and works and lives in the Bay Area with his wife, two kids, and dog.

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