Free Investment Calculators

The only compound interest calculator using real 5-year historical CAGR from 70+ assets — stocks, crypto, indices — with M2 money supply comparison and inflation adjustment. Free, no signup.

Backtest dollar-cost averaging on real historical monthly prices for stocks, crypto, indices, and more. See exactly what your DCA strategy would have returned. Free, no signup.

Compare projected growth of up to 4 investments side by side using real historical CAGR. See which would have built more wealth — stocks vs crypto vs gold vs indices. Free, no signup.

See what your portfolio would be worth today if you had started investing X years ago. Real historical prices for stocks, crypto, and more. Free, no signup.

Find your FIRE number and the year you can retire. Built on the 4% safe withdrawal rule with real historical returns and inflation adjustment. Free, no signup.

How much do you need to save per month to hit any financial target? Down payment, emergency fund, FIRE number — backed by real historical returns. Free, no signup.

How long will your retirement portfolio last? Inflation-adjusted withdrawals, real return assumptions, sequence-of-returns risk modelling. Free, no signup.

See exactly how much delaying investing costs you over time. The math is brutal — every year you wait, the goalposts move further. Free, no signup.

Calculate capital gains tax across 50+ countries and US states by asset type — stocks, crypto, real estate, collectibles. Includes long/short term distinctions. Free, no signup.

A $5 daily coffee habit costs over $200,000 in 30 years if invested instead. See the true opportunity cost of your everyday spending. Free, no signup.

Should you pay off debt or invest? This calculator compares both strategies on real returns, debt rates, and tax effects — get your answer. Free, no signup.

Should you buy or rent? This calculator compares total wealth outcomes including down payment opportunity cost, equity build, taxes, and maintenance. Free, no signup.

Project passive dividend income with DRIP reinvestment. Real dividend yields and growth rates from major dividend stocks. Free, no signup.

See where your net worth ranks for your age group. Sourced from US Federal Reserve Survey of Consumer Finances data. Free, no signup.