Investment Calculator
Project portfolio growth with contributions, returns and time.
Calculator
- Total contributed
- $125,000.00
- Investment growth
- $194,144.22
- From initial lump
- $24,634.01
- From monthly deposits
- $294,510.21
What's next?
Refine your numbers, compare options, or explore the next step in your plan.
Tip: sign in to save unlimited scenarios and track your plans over time — free.
Smart insights
Personalized takeaways based on the numbers you entered.
- Adding $100/month to your contributions would grow to about $58,902 more by year 20.
- Investing the same amount for 30 years instead of 20 could grow to roughly $480,714 more.
AI financial insights
Personalized, plain-English guidance generated from your numbers.
What this means for your plan
Plain-English trade-offs to help you decide with confidence.
- Consistency over perfection
A modest, consistent monthly contribution typically outperforms larger, irregular ones. Set it and protect it.
Your planning path
A guided sequence so each tool builds on the last.
Learn the why behind your result
Short, plain-English lessons related to this calculation.
How Compound Growth Builds Wealth
Why time in the market beats timing the market — illustrated simply.
ReadRetirement Savings Strategies
A simple priority order: match, high-interest debt, Roth, taxable.
ReadInvesting Basics: Why Index Funds Win
The boring strategy that beats most professionals over time.
ReadHelpful financial resources
Tools that may support the planning behind your investment calculator — picked for context, not promotion.
- Long-Term Investing PlatformPartnerBrokerage focused on low-cost index investing.Educational fit if you're building a long-horizon retirement or wealth portfolio.
- Retirement Account ProviderPartnerTax-advantaged retirement accounts (IRA / Roth IRA).Educational fit if you're starting or rolling over a retirement account.
Some resources are partner links that may support the platform at no extra cost to you. All recommendations are educational in nature. Learn how we choose them.
Recommended next steps
Tools that pair naturally with this calculation.
Compare scenarios
See how different terms, rates, or contributions change the outcome — side by side.
How it works
The investment calculator uses a standard formula refined for clarity and precision. Results update live as you change any input — try different scenarios to see how sensitive the answer is to each assumption.
Tips for accurate results
- Use realistic, current values — don't round aggressively for inputs that matter.
- Compare a few scenarios to see how sensitive the result is to your assumptions.
- Save your results so you can track changes over time as your situation evolves.
