Why this page exists
Compare invested capital with ending value to estimate profit and return percentage.
Why this page exists
Include extra contributions so the result is more realistic for multi-period investing.
Why this page exists
Useful for portfolios, side projects, and broad investment-performance checks.
Workspace
Investment return calculator
Additional contributions are included in total invested capital before profit and return percentage are calculated.
Investment breakdown
- Initial capital$12,000.00
- Extra contributions$3,000.00
- Ending value$19,500.00
Implementation note
How this tool is structured
Live inputs
Inputs update results instantly, so users can compare scenarios without reloading or leaving the page.
Readable outputs
Primary answers stay prominent, while supporting figures and formulas remain available for context.
Repeatable workflow
Clear and lightweight interactions keep these tools useful for repeated day-to-day calculations.