Rule of 72 Calculator
Interest/Year =
Years [est] =
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Rule of 72 is used to estimate the number of years required to double an investment.
Rows
- Interest/Year: interest per year expressed as a percentage
- Years [est]: estimated number of years to double an investment
Examples
Approximately how long will it take to double a $2,000 investment which yields 8% annual interest?
- Interest/Year: 8.000%
It will take approximately 9 years to double.
Keywords
Interest/Year
Years [est]
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