™How to use this calculator
Model a starting amount, monthly contribution, annual rate and time horizon under constant-return assumptions. Change one assumption at a time, compare the result and consider what the formula leaves out.
Investing · Core
Compound Growth Calculator
Model a starting amount, monthly contribution, annual rate and time horizon under constant-return assumptions.
ILLUSTRATIVE RESULTS
Total contributed$40,000.00
Illustrative growth$23,367.82
Illustrative ending value$63,367.82
What this result meansSee how starting capital and recurring additions may compound. It translates only the assumptions entered above and cannot determine whether investments are substantially identical or provide tax advice.
Formula and assumptions
Future value combines compounded principal with a series of recurring contributions. Results are simplified illustrations and may exclude taxes, changing rates, liquidity, spreads, market impact, assignment, broker rules or other real-world factors.
Common questions
Does this calculator use live market data?
No. Every value comes from the assumptions you enter. A ticker symbol, when shown, is only a label.
Can I make a trade based on this result?
The result is an educational illustration, not a recommendation or a complete analysis. Verify current facts, account rules, costs and risks independently.
Why might the actual result be different?
Real outcomes can be affected by execution price, spread, slippage, fees, taxes, liquidity, volatility, financing costs, corporate actions and changing market conditions.
Educational illustration only. This calculator does not use live market data and does not provide investment, trading, tax or legal advice. Verify formulas, rules, fees and product details with current primary sources and regulated providers before acting.