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Rule of 72: Simple yet Powerful Financial Tool

21 May 2025-7 min read-By Jarrod Kirkland

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Rule of 72: Simple yet Powerful Financial Tool

Key Takeaways

172 को expected return rate से divide करो doubling years estimate करने के लिए।
26% पर 12 years में double; 8% पर 9 years।
3Reverse: 3% inflation पर purchasing power 24 years में half।

Rule of 72 investment doubling timelines estimate करने का quick mathematical shortcut है।

Rule of 72 personal finance में most useful mental shortcuts में से एक है। Simply 72 को annual return rate से divide करो, और approximate years मिल जाएंगे।

Formula: Years to Double = 72 ÷ Annual Rate of Return

Quick Reference

•3% return: 24 years में double
•6% return: 12 years में double
•8% return: 9 years में double

NZ Applications

KiwiSaver Growth fund (8%): Balance ~9 years में double। Property 5% growth assume करें, ~14-15 years में double।

Reverse Application

3% annual inflation पर, cash purchasing power 24 years में half हो जाती है। 20% credit card interest पर, balances 3.6 years में double हो जाते हैं।

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Frequently Asked Questions

Rule of 72 क्या है?

72 को annual return rate से divide करो years get करने के लिए। 6% पर, money ~12 years में double।

Rule of 72 कितना accurate है?

4-12% returns के बीच most accurate है।

Disclaimer

The information on this website is for general guidance only and does not constitute financial or investment advice. Always do your own research and seek personalised advice from a qualified financial adviser or mortgage adviser before making financial decisions. All investments carry risk and past performance is not indicative of future results.