Inputs & Parameters
InvestmentAnnual interest rate
%
Money Doubles In
6 Years
2x
3x
Triples In
9.5 Years
4x
Quadruples In
12 Years
Calculated using Rule of 72, 114, and 144
Quick Math Hack
Divide 72 by your interest rate to see years to double.
Divide 114 for tripling.
Divide 144 for quadrupling.