💰 Savings Result
$500/month + at 4% for 3 years grows to $19,154
At 4% compound interest over 3 years, $500/month + at 4% for 3 years becomes $19,154. You contribute $18,000 and earn $1,154 in interest — a 6% return.
▶ Open full savings calculatorFinal balance
$19,154
After 3 years
Interest earned
$1,154
6% return
Total deposited
$18,000
Your contributions
Why $1,154 in free interest
At 4%, money doubles every approximately 18.0 years. In the first year you earn $132 in interest. By year 3, you earn $641 — far more, because you're earning interest on all accumulated gains.
To compare this with an investment portfolio, use the compound interest calculator. To understand how inflation erodes purchasing power of these savings over time, see the inflation calculator.