How Does Compound Interest Work on $10,000?

People often want a mid-sized example that is easier to imagine than $1,000 but still realistic. A $10,000 starting balance is large enough to make the compounding effect visible without needing extreme assumptions.

Approximate balances

Why this example helps

It shows three powerful levers at once: the starting amount matters, the rate matters, and the time horizon matters most. Even moderate return differences become huge over decades.