Investment Return Calculator
Calculate compound interest and future value of any lump-sum or recurring investment.
100% client-side · no upload
Future Value
Total Invested
Total Returns
Return on Investment
How to use
- Enter your initial lump-sum investment (or leave 0 for recurring-only).
- Add a monthly contribution if you plan to invest regularly.
- Set the expected annual return rate and number of years.
Related tools
- Retirement Planner — age-based projection
- Savings Goal Planner
- Compound Interest Calculator
- 401(k) Projection Calculator
More ways to use this tool
Frequently Asked Questions
- Is this investment calculator free?
- Yes, completely free with no signup or account required.
- Does my data leave my device?
- No. All calculations run in your browser. Your investment figures are never sent to any server.
- Does it work on mobile?
- Yes. The investment calculator is mobile-first and works on any modern smartphone browser.
- What return rate should I use for stocks?
- A broad market index has historically returned 7–10% annually over long periods. For a conservative projection use 6–7%. For bonds use 3–5%. For high-yield savings use 4–5%.
- How does the calculator account for compounding?
- The calculator compounds monthly: each month the balance grows by (balance × monthly rate) and your contribution is added. This matches how most investment accounts work.
Last updated: By jarvisbox