The Rule of 72 Do you know how long it may take for your investments to double in value? The Rule of 72 is a quick way to figure it out. Have A Question About This Topic? Name Email Address Message Thank you! Oops! Related Content Retiring in a Post-Pandemic World Imagine your ideal post-pandemic retirement with this animated video. How Women Can Prepare For Retirement Are women prepared for a 20-year retirement? The Sequence of Returns A look at how variable rates of return impact investors over time.