# Double My Money with Rule of 72 or Rule of 70

Rule of 72 and Rule of 70 are used to estimate the length of time required to double an investment given the annual rate of return. These rules are very similar to each other, and are widely used by both beginners and financial experts.

Using Rule of 72, if I put money in a bank account that yields {{pc.InterestRate != null ? pc.InterestRate : 0}}% a year, I will double my invested money in about

{{pc.DoublingTime72}} year{{pc.DoublingTime72 == 1 ? '' : 's'}}

Using Rule of 70, if I put money in a bank account that yields {{pc.InterestRate != null ? pc.InterestRate : 0}}% a year, I will double my invested money in about

{{pc.DoublingTime70}} year{{pc.DoublingTime70 == 1 ? '' : 's'}}

## What is the difference between Rule of 70 and Rule of 72?

### Related Topics to Doubling Time

Doubling Time Calculator - Continuous Compounding Doubling Time Calculator - Simple Interest Rule of 72 and Rule of 70 Calculator This calculator can show you the differences between Rule of 72 and Rule of 72, and apply these rules to find the time required to double your invested money.
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