# Doubling Time Calculator

Doubling Time Calculator is used to calculate the period of time required for an investment to double in size or value

Doubling Time:
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Background Information

What does Doubling Time mean?
Doubling time is the period of time it takes for a value to double itself at a consistent rate of growth. This term is applied to any value that increases at a consistent rate.
Formula

Td = log(2) / log(1 + r)

Where:-

• Td = doubling time
• r = a constant growth rate
Example

Mr. Jacques earns 6% per year, compounded monthly. His monthly rate will be; r in the doubling time formula would be .005 (.06/12).

According to the formula,

Mr. Jacques would double his money within 138.98 months, or 11.58 years.