$100 a Week DCA Calculator
Dollar Cost Averaging (DCA) $100 a week smooths out stock market volatility and builds extreme wealth over time. We calculate $100/wk as a $5,200 annual baseline for this core compounding model.
How to Use the $100 a Week DCA Calculator
To use our compound interest calculator, enter your starting principal (the amount you're investing today), your expected annual interest rate, the number of years you'll invest, and how frequently interest compounds. Then click "Calculate" to see your projected final balance.
The compound interest formula is: A = P × (1 + r/n)n×t, where P is principal, r is the annual rate as a decimal, n is compounding periods per year, and t is time in years.
The Power of $100/Week
- Over 10 Years (7%): You invest $52k, but your portfolio is worth $71,845.
- Over 20 Years (7%): You invest $104k, and walk away with $213,171.
- Over 30 Years (7%): A massive $491,194.
The key takeaway: starting early makes an enormous difference. An investor who starts at 25 versus one who starts at 35 can accumulate double the wealth by retirement, even if they invest identical amounts.
Frequently Asked Questions — Compound Interest
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About This Calculator & Financial Disclaimer
This tool was built to help users mathematically project their financial goals using standard formulas. The default variables provided are for educational purposes only and do not represent guaranteed future market performance.
Not Financial Advice: We are not certified financial planners (CFP) or investment advisors. The stock market involves risk, and inflation can vary drastically. Please consult a licensed professional before making major financial decisions, executing a 72(t) early withdrawal, or rebalancing your portfolio.