Investment

Rule of 72 Calculator

Quickly estimate how long it takes to double your money.

📥 Input Parameters

12
%
140

📊 Results

Years to Double
Years to Triple
Rate to Double in 5 yrs
Rate to Double in 10 yrs
⚠️

Educational purposes only. Consult a SEBI-registered advisor.

📈 Chart

Frequently Asked Questions

What is Rule of 72?+

Divide 72 by annual return to estimate years to double money. At 12%, money doubles in 6 years.

How accurate is it?+

Very accurate for rates 6–10%. For higher rates, use Rule of 69.3 for precision.