Growth
Compound Interest
Project future value using compounding, contribution frequency, and optional recurring deposits.
Use this calculator to turn raw price levels into clear decisions. It is built for speed, mobile use, and quick iteration while you plan or review a trade.
Total contributions
6,000
Total interest
3,796.9142
End value
14,796.9142
Tool Guide
Practical explanation, workflow, and pitfalls for this calculator.
Compounding turns time and consistency into growth.
What this calculator does
- Models future value from principal, expected annual rate, and horizon.
- Supports compounding frequency choices.
- Supports optional recurring contributions.
- Separates effect of contributions vs growth.
Why it matters
- Compounding is non-linear; acceleration appears over time.
- Small changes in rate or horizon can create large output differences.
- Useful for retirement, portfolio targets, and savings plans.
How to use it
- Use conservative return assumptions first.
- Run pessimistic, base, and optimistic scenarios.
- Add recurring deposits to model disciplined investing.
- Compare 5%, 8%, and 12% over long horizons.
Example scenarios
- 1,000 initial, 200 per month, 8% for 10 years.
- Repeat for 20 years to see time effect.
Practical tips
- High trading return projections are usually too optimistic.
- Use CAGR for historical measurement and compounding for forward planning.
- Revisit assumptions regularly.
FAQ
Common questions about this tool, from basics to usage.
What is the biggest driver, rate or time?Answer
Over long horizons, time is often the strongest compounding multiplier.
Do contributions make a big difference?Answer
Yes. Consistent contributions can outweigh small differences in annual rate.
Should I use guaranteed return assumptions?Answer
No. Use realistic ranges and include downside scenarios.
Why this calculator matters
Practical benefits for real trading workflows.
- Translate your plan into concrete numbers before entering a trade.
- Keep risk consistent across different assets and timeframes.
- Evaluate performance quickly after exits or partial fills.
Combine this tool with Position Size and ROI to build a complete pre- and post-trade checklist.
Related Tools
Keep exploring the suite.
Disclaimer
Educational use only. Always verify independently.
This calculator is provided for educational purposes only. Outputs are illustrative estimates based on the inputs you provide and do not account for all real-world factors (including, but not limited to, fees, spreads, slippage, funding, taxes, and execution). Do not rely on these results as financial advice. Always verify calculations independently and consult a qualified professional as needed.