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Rule of 72 Equations Formulas Calculator
Finance - Compound Interest Investing
The Rule of 72 estimates the number of years required to double the amount of money invested. It assumes the principal is compounded annually. Note, accurate for interest rates below twenty percent.
Solving for years to double investment.
Inputs:
Conversions:
| annual interest rate (i) | = | 0 | = | 0 | percent |
Solution:
| years to double investment (y) | = | HAS NOT BEEN CALCULATED |
Other Units:
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Select an equation to solve for a different unknown
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years to double investment |
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annual interest rate |
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