T-01Instrument
Compound growth calculator
See how balance grows over time from a starting amount, a monthly addition, and a steady rate you choose. Adjust inputs to see how outputs move. For learning, not a recommendation.
- Runs in
- Your browser
- Your inputs
- Stay on your device
- Output
- Arithmetic on your inputs
- Assumptions
- Stated in the notes
Run the compound growth calculator
Change a few inputs, read the summary, and reset if you want to compare cases. Outputs update as you edit so you can see how sensitive each result is to your assumptions.
Future value
$1,185,264
Projected ending balance under the current compounding path.
Your contributions
$460,000
Starting capital plus every monthly contribution.
Investment growth
$725,264
The share created by compounding instead of deposits.
Output path
The line updates immediately as you change the assumptions.
Year 0 to Year 20
Output is arithmetic on the inputs above. It leaves out taxes, fees and timing unless the panel says otherwise, and it is not a forecast.
What to look for
Inputs
Small changes first—see which numbers move the most.
Outputs
Charts and short text explain the result in plain language.
Limits
Models simplify real life. Taxes, fees, and timing can differ for you.
Read with it
- A-06
Not investment advice
Articles and calculators on this site are for learning. They are not a recommendation to buy or sell any security, and they are not tailored to your personal situation.
- Education vs personal advice. If you work with an adviser, that relationship has its own agreements and disclosures. Reading here does not replace that.
- No outcome guarantees. Markets are uncertain. We write to explain ideas and trade-offs—not to promise returns or timing.