See how your money grows over time with compound interest and regular contributions.
Put your savings to work with Goldman Sachs Marcus. No fees, no minimums, and a rate that actually beats inflation.
Open Marcus HYSA →Betterment automatically builds and rebalances your portfolio. Start with as little as $10. Avg. 7-9% historical returns.
Start Investing with Betterment →Formula: A = P(1 + r/n)^(nt) + PMT × [((1 + r/n)^(nt) - 1) / (r/n)]
The Rule of 72: Divide 72 by your interest rate to find how many years it takes to double your money. At 7%, your money doubles every ~10.3 years.
Why monthly compounds better than annual: Monthly compounding on $10,000 at 7% for 20 years gives you ~$200 more than annual compounding.