Investing calculators
Returns, dividends, and what inflation does to your money.
Investing is how money outpaces inflation over the long run. These calculators help you set realistic expectations and compare options on a level footing: project an investment portfolio with regular contributions and historical return presets, measure the true return on an investment as an annualized figure, and see how reinvested dividends compound through a DRIP.
Just as important is understanding what erodes returns — the inflation calculator shows how purchasing power falls over time and what nominal return you need just to break even in real terms. Every projection is an estimate based on your inputs, not a forecast or a recommendation to buy any specific asset.
To build the foundations, read dollar-cost averaging explained, dividend investing and DRIP, and how inflation affects your money.
6 investing calculators
Guides on investing
How Inflation Affects Your Money
Purchasing power, real returns, and what to do about it.
7 min read
Dollar-Cost Averaging Explained
How DCA works, when it beats lump-sum, and why most 401(k) investors already do it.
9 min read
Dividend Investing and DRIP
How reinvesting dividends compounds your income — yield, dividend growth, the risks, and how dividends are taxed in four countries.
9 min read
CAGR Explained: Compound Annual Growth Rate
What CAGR is, the formula, worked examples, and why it beats a simple average of yearly returns.
7 min read
Dividend Yield Explained (and What Counts as Too High)
How to calculate yield and yield on cost, what's a healthy range, and the high-yield trap to avoid.
7 min read
Saving vs Investing: When to Do Which
The timeline-and-risk rule for choosing cash over the market — and the cost of getting it wrong either way.
8 min read
Popular scenarios
Pre-calculated answers for the most common questions.