Money
Compound Interest Calculator
Small, steady contributions plus time equals surprisingly big numbers. Adjust the inputs and watch the tape prove it.
Savings Growth · Projection
The Wealthy Samaritan · thank you, come again
Money
Small, steady contributions plus time equals surprisingly big numbers. Adjust the inputs and watch the tape prove it.
It's interest earned on both your original money and on the interest it has already earned. Growth accelerates over time, which is why starting early matters more than starting big.
It depends on what you're invested in. High-yield savings accounts have recently paid around 4%; the US stock market has historically averaged roughly 7% annually after inflation over long periods — with plenty of ups and downs along the way. Past performance never guarantees future results.
Less than people think. On the same nominal rate, daily versus monthly compounding changes the outcome by a fraction of a percent. Contribution amount, rate, and time do the heavy lifting.