Investment Calculator
Calculate potential returns on your investments.
About this calculator
Compound interest is powerful, but its impact can be hard to visualise. Enter a lump‑sum, monthly contribution, and expected annual return to watch your balance snowball year by year. The calculator separates total contributions from market growth so you see exactly how much of your future balance comes from investing early and consistently. Add annual contribution increases to model raises, and compare conservative vs. aggressive return assumptions to set realistic expectations.
Frequently Asked Questions
What return should I pick?
Long‑term stock market returns have historically averaged 7–10% before fees. For planning, consider testing a conservative range (5–8%) to account for volatility.
Is inflation included?
By default, results are nominal. For real (inflation‑adjusted) values, reduce the return assumption by your expected inflation rate.
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