Know exactly when your money will double!
The Formula
72 ÷ Interest Rate = Years to Double
Examples
- 6% interest: 72÷6 = 12 years
- 8% interest: 72÷8 = 9 years
- 12% interest: 72÷12 = 6 years
Essentials•April 2, 2026•4 min read
The Rule of 72
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Gollak Team
Family Finance Experts
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