# Investment calculators

> Machine-readable mirror for AI agents. Canonical page: https://www.portfolioglance.com/calculators
> Content language: English.

> Other languages: append `?hl=pl` for Polish, `?hl=tr` for Turkish to this URL.

Free tools, no sign-up. Every result has a shareable link.

> Each calculator serializes its inputs into the URL query string of its interactive page, so a filled-in scenario is a shareable link.

### Compound interest calculator

See how your money grows with regular contributions, inflation and tax options.

- Details (markdown): https://www.portfolioglance.com/calculators/investment-calculator.md
- Interactive page: https://www.portfolioglance.com/calculators/investment-calculator

### Overpay mortgage or invest?

Compare paying your mortgage off early against investing the same money.

- Details (markdown): https://www.portfolioglance.com/calculators/overpay-mortgage-or-invest.md
- Interactive page: https://www.portfolioglance.com/calculators/overpay-mortgage-or-invest

### Dividend snowball calculator

See how reinvested, growing dividends snowball into rising passive income.

- Details (markdown): https://www.portfolioglance.com/calculators/dividend-snowball-calculator.md
- Interactive page: https://www.portfolioglance.com/calculators/dividend-snowball-calculator

### XIRR calculator

Your portfolio's true annual return from your actual deposits and withdrawals — or a broker CSV.

- Details (markdown): https://www.portfolioglance.com/calculators/xirr-calculator.md
- Interactive page: https://www.portfolioglance.com/calculators/xirr-calculator